2026

• Espnes, Ketil Arne; Spigset, Olav; Bratt, Guro Emilie; Tilrem, Marit; Hamnes, Sarita; Skogvoll, Eirik; Skråstad, Ragnhild Bergene. (2026) Association Between Levels of the Acute Phase Proteins Alpha-1-Acid Glycoprotein and C-Reactive Protein and Serum Concentrations of Clozapine: A Study of 1106 Therapeutic Drug Monitoring Samples. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Holmvik, Simon; Sokołowski, Daniel Radosław; Skråstad, Ragnhild Bergene; Spigset, Olav; Strand, Bjørn Heine; Håberg, Asta. (2026) Subjective Memory Impairment in the General Adult Population: Associations With Early‐Life Cognition, Concurrent Objective Memory, Dementia Risk Factors. European Journal of Neurology
  Vitenskapelig artikkel

2025

• Galbally, Megan; Bobevski, Irene; Power, Josephine; MacMillan, Kelli; Spigset, Olav. (2025) Treating perinatal depression with antidepressants: the influence on emotional availability and child mental disorders. Journal of Psychiatric Research
  Vitenskapelig artikkel
• van Wijk, Emma; Zugic, Milica; Rostami, Sina; van Gelder, Marleen; Ahmad, Ashi Sarfraz; Sitras, Vasilis; Spigset, Olav; Lupattelli, Angela; Trinh, Nhung. (2025) Gestational weight gain and postpartum weight retention: What is the role of perinatal antidepressant use?. Journal of Affective Disorders
  Vitenskapelig artikkel
• Ochmann, Vivia; Gkoltsos, Christos; Gastaldon, Chiara; Barbui, Corrado; Seifritz, Erich; Spigset, Olav; Tomson, Torbjörn; Schoretsanitis, Georgios. (2025) Paternal exposure to antiseizure medications and offspring outcomes: a systematic review and meta-analysis of observational studies. Expert Opinion on Drug Metabolism & Toxicology
  Vitenskapelig oversiktsartikkel
• Skråstad, Ragnhild Bergene; Salvesen, Øyvind Olav; Andreassen, Trine Naalsund; Aamo, Trond Oskar; Hveem, Kristian; Krokstad, Steinar; Spigset, Olav. (2025) Impact of Sex, Age, Body Composition and Kidney Function on the Relationship Between Self-Reported Alcohol Consumption and Phosphatidylethanol—Data From the HUNT Study. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Almås, Gjermund; Stangebye, Martin; Slørdal, Lars Johan; Spigset, Olav. (2025) Written drug promotion from pharmaceutical companies to general practitioners: adherence to regulations over two decades. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Krabseth, Hege-Merete; Strømmen, Magnus; Helland, Arne. (2025) Effect of Bariatric Surgery on the Pharmacokinetics of Codeine, Oxycodone and Tramadol—A Case Series. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Fossmark, Reidar; Molnes, Sveinung; Sagatun, Liv; Salvesen, Øyvind Olav; Spigset, Olav. (2025) The Use of Proton Pump Inhibitors Among Adults in Norway—A Nationwide Drug Utilization Study. Pharmacology Research & Perspectives
  Vitenskapelig artikkel
• Chalabianloo, Fatemeh; Fadnes, Lars T.; Mordal, Jon; Spigset, Olav; Løberg, Else-Marie; Halmøy, Anne; Lid, Torgeir Gilje; Andersen, Christina Dahl; Daltveit, Jan Tore; Assmus, Jørg. (2025) Impact of dextroamphetamine substitution on the use of illicit amphetamines in adults with amphetamine dependence: a study protocol for the multicentre double blind randomised controlled trial ATLAS4Dependence. BMJ Open
  Studieprotokoll
• Tevik, Kjerstin Elisabeth; Skråstad, Ragnhild Bergene; Saltyte Benth, Jurate; Selbæk, Geir; Bergh, Sverre; Spigset, Olav; Krokstad, Steinar; Helvik, Anne-Sofie. (2025) Trends in alcohol consumption in middle-aged and older adults, assessed with self-report and the alcohol marker phosphatidylethanol – A longitudinal HUNT study. PLOS ONE
  Vitenskapelig artikkel
• Ruths, Sabine; Granås, Anne Gerd; Spigset, Olav; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2025) Verktøy for bedre legemiddelbehandling hos eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Fagartikkel
• Gillessen, Maximilian; Schmidt, Chiara Theresa; Deligiannidis, Kristina M.; Kittel-Schneider, Sarah; Seifritz, Erich; Tomson, Torbjörn; Spigset, Olav; Paulzen, Michael; Schoretsanitis, Georgios. (2025) The impact of menstrual cycle on the pharmacokinetics of antiseizure medications and lithium: a systematic review and meta-analysis. Expert Opinion on Drug Metabolism & Toxicology
  Vitenskapelig oversiktsartikkel
• Andreassen, Trine Naalsund; Gule, Marina; Havnen, Hilde; Spigset, Olav; Skråstad, Ragnhild Bergene. (2025) A validated method for capillary phosphatidylethanol 16:0/18:1 quantification with two different 10-µl volumetric absorptive microsample devices in the same setup. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Sande, Ingvild Svorkdal; Helgheim, Kamilla Lind; Saltvedt, Ingvild Tina; Røsstad, Tove Garåsen; Spigset, Olav; Ellekjær, Hanne; Gynnild, Mari Nordbø. (2025) Follow-Up in Primary Care After Ischemic Stroke - Insights From the Nor-COAST Study. International Journal of General Medicine
  Vitenskapelig artikkel
• Fagerli, Erlend; Ellekjær, Hanne; Spigset, Olav; Saltvedt, Ingvild Tina; Gynnild, Mari Nordbø. (2025) Three-year adherence to secondary prevention and vascular risk control after ischemic stroke. European Stroke Journal
  Vitenskapelig artikkel
• Schoretsanitis, Georgios; Krabseth, Hege-Merete; Strømmen, Magnus; Helland, Arne; Spigset, Olav. (2025) Effects of sleeve gastrectomy and Roux-en-Y gastric bypass on the pharmacokinetics of gabapentin and pregabalin: A cohort study. PLOS ONE
  Vitenskapelig artikkel

2024

• Spigset, Olav. (2024) Therapeutic Drug Monitoring of Psychotropic Drugs: What We Know, What We Don't, and the Controversies. Therapeutic Drug Monitoring
  Leder
• Melander, Erik; Nielsen, Elisabet I.; Lindqvist, Annika; Hovd, Markus; Gandia, Peggy; Panchaud, Alice; Guidi, Monia; Annaert, Pieter; Baranczewski, Pawel; Spigset, Olav. (2024) Population pharmacokinetic modelling of cetirizine concentrations in human breast milk—A contribution from the ConcePTION project. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Chalabianloo, Fatemeh; Fadnes, Lars T.; Johansson, Kjell Arne; Høiseth, Gudrun; Vold, Jørn Henrik; Kringen, Marianne K.; Spigset, Olav; Bramness, Jørgen Gustav. (2024) Methadone pharmacokinetics in opioid agonist treatment: Influencing factors and clinical implications. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig oversiktsartikkel
• Langaas, Harald Chr.; Salvesen, Øyvind Olav; Dyrkorn, Roar; Blix, Hege Salvesen; Spigset, Olav. (2024) Academic Detailing Compared with Group Meetings to Change Drug Prescribing for Type 2 Diabetes—A Randomized Controlled Trial. Journal of General Internal Medicine (JGIM)
  Vitenskapelig artikkel
• Helland, Arne; Muller, Sébastien; Spigset, Olav; Krabseth, Hege-Merete; Hansen, Miriam; Skråstad, Ragnhild Bergene. (2024) Drug detection in oral fluid and urine after single therapeutic doses of dexamphetamine, lisdexamphetamine, and methylphenidate in healthy volunteers. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Braathen, Martin; Rigby-Jones, Ann E.; Ræder, Johan; Spigset, Olav; Heier, Tom. (2024) Pharmacokinetics of propofol in severely obese surgical patients. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Aakerøy, Rachel; Loennechen, Jan Pål; Dyrkorn, Roar; Lydersen, Stian; Helland, Arne; Spigset, Olav. (2024) Apixaban plasma concentrations before and after catheter ablation for atrial fibrillation. PLOS ONE
  Vitenskapelig artikkel
• Hart, Xenia Marlene; Gründer, Gerhard; Ansermot, Nicolas; Conca, Andreas; Corruble, Emmanuelle; Crettol, Severine; Cumming, Paul; Hefner, Gudrun; Frajerman, Ariel; Howes, Oliver. (2024) Optimisation of pharmacotherapy in psychiatry through therapeutic drug monitoring, molecular brain imaging and pharmacogenetic tests: Focus on antipsychotics. World Journal of Biological Psychiatry
  Vitenskapelig oversiktsartikkel
• Hansen, Miriam; Havnen, Hilde; Andreassen, Trine Naalsund; Spigset, Olav; Hegstad, Solfrid. (2024) Quantitative determination of R/S-methadone in human serum using ultra-high performance supercritical fluid chromatography-tandem mass spectrometry: A method for routine use. Drug Testing and Analysis
  Vitenskapelig artikkel
• Gundersen, Per Ole Mobråten; Pasin, Daniel; Slørdal, Lars Johan; Spigset, Olav; Josefsson, Martin. (2024) Retrospective screening of new psychoactive substances (NPS) in post mortem samples from 2014 to 2021. Forensic Science International
  Vitenskapelig artikkel
• Schoretsanitis, Georgios; Deligiannidis, Kristina M.; Kasperk, Nicholas; Schmidt, Chiara Theresa; Kittel-Schneider, Sarah; Horst, Peter Ter; Berlin, Maya; Kohn, Elkana; Poels, Eline M.P.; Zutshi, Deepti. (2024) The impact of pregnancy on the pharmacokinetics of antiseizure medications: A systematic review and meta-analysis of data from 674 pregnancies. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Vitenskapelig oversiktsartikkel
• Berg, Kristin Sandal; Seines, Ellisiv; Gâl, Petter; Løberg-Emanuelsen, Lise; Stubhaug, Audun; Nielsen, Erik Waage; Spigset, Olav. (2024) Absorption and pharmacokinetics of bupivacaine after bilateral topical administration in tonsillar fossae for posttonsillectomy pain relief. Pharmacology Research & Perspectives
  Vitenskapelig artikkel
• Finanger, Trine; Melby, Katrine; Spigset, Olav; Andreassen, Trine Naalsund; Lydersen, Stian; Skråstad, Ragnhild Bergene. (2024) Relationship between alcohol intake based on daily smartphone-reported consumption and PEth concentrations in healthy volunteers. Alcohol and Alcoholism
  Vitenskapelig artikkel
• Colclough, Robert; Almeland, Stian Kreken; Brekke, RAGNVALD LJONES; Spigset, Olav; Nordgaard, Håvard B.; Pleym, Hilde; Ausen, Kjersti. (2024) Topical Tranexamic Acid on Donor Wounds in Burn Patients: A Randomized Placebo-controlled Trial. Plastic and reconstructive surgery. Global open
  Vitenskapelig artikkel
• Schoretsanitis, Georgios; Strømmen, Magnus; Krabseth, Hege-Merete; Spigset, Olav; Helland, Arne. (2024) Effects of sleeve gastrectomy and Roux-en-Y gastric bypass on pharmacokinetics of lamotrigine and valproate: A cohort study. Epilepsy Research
  Vitenskapelig artikkel
• Krabseth, Hege-Merete; Strømmen, Magnus; Helland, Arne; Spigset, Olav. (2024) Effect of bariatric surgery on the pharmacokinetics of drugs used for attention-deficit hyperactivity disorder—A case series. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel

2023

• Skråstad, Ragnhild Bergene; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Havnen, Hilde; Hveem, Kristian; Krokstad, Steinar; Salvesen, Øyvind Olav; Spigset, Olav. (2023) Quantifying Alcohol Consumption in the General Population by Analysing Phosphatidylethanol Concentrations in Whole Blood: Results from 24,574 Subjects Included in the HUNT4 Study. Alcohol and Alcoholism
  Vitenskapelig artikkel
• Schoretsanitis, Georgios; Strømmen, Magnus; Krabseth, Hege-Merete; Helland, Arne; Spigset, Olav. (2023) Effects of Sleeve Gastrectomy and Roux-en-Y Gastric Bypass on Escitalopram Pharmacokinetics: A Cohort Study. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Aakerøy, Rachel; Gynnild, Mari Nordbø; Løfblad, Lena; Dyrkorn, Roar; Ellekjær, Hanne; Lydersen, Stian; Helland, Arne; Spigset, Olav. (2023) Direct oral anticoagulant concentrations and adherence in stroke patients. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Skråstad, Ragnhild Bergene; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Havnen, Hilde; Hveem, Kristian; Krokstad, Steinar; Salvesen, Øyvind Olav; Spigset, Olav. (2023) Response to letter to editor for 'Quantifying alcohol consumption in the general population by analyzing phosphatidylethanol concentrations in whole blood: Results from 24 574 subjects included in the HUNT4 study'. Alcohol and Alcoholism
  Kommentar
• Tuv, Silja Skogstad; Spigset, Olav; Jensen, Elena; Vethe, Nils Tore; Nordal, Kristin. (2023) Nytt verktøy for tolkning av farmakogenetiske analyser. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Nordeng, Hedvig Marie Egeland; Wegler, Christine; Lindqvist, Annika; Melander, Erik; Magnusson, Mikaela; Gandia, Peggy; Panchaud, Alice; Baranczewski, Pawel; Spigset, Olav. (2023) Transfer of cetirizine/levocetirizine into human breast milk and estimation of drug exposure to infants through breastfeeding: A human lactation study from the ConcePTION project. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Langaas, Harald Chr.; Salvesen, Øyvind Olav; Dyrkorn, Roar; Blix, Hege Salvesen; Spigset, Olav. (2023) Academic detailing as a method to improve general practitioners’ drug prescribing in type 2 diabetes: evaluation of changes in prescribing. Scandinavian Journal of Primary Health Care
  Vitenskapelig artikkel
• Ausen, Kjersti; Pleym, Hilde; Spigset, Olav. (2023) Lokal bruk av traneksamsyre som blødningsprofylakse. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Ruths, Sabine; Bakken, Marit Stordal; Ranhoff, Anette Hylen; Granås, Anne Gerd; Spigset, Olav. (2023) Støtte til fallforebygging hos eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Fagartikkel
• Larsson, Mark; Sartipy, Ulrik; Franco-Cereceda, Anders; Spigset, Olav; Loevenich, Maja; Öwall, Anders; Jakobsson, Jan. (2023) Extrapleural infusion of levobupivacaine versus levobupivacaine-sufentanil-adrenaline after video-assisted thoracoscopic surgery (VATS): A randomised controlled trial. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel

2022

• Schmidt, Chiara Theresa; Deligiannidis, Kristina M.; Kittel-Schneider, Sarah; Frodl, Thomas; Spigset, Olav; Paulzen, Michael; Schoretsanitis, Georgios. (2022) Transfer of anticonvulsants and lithium into amniotic fluid, umbilical cord blood & breast milk: A systematic review & combined analysis. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Vitenskapelig oversiktsartikkel
• Galbally, Megan; Watson, Stuart J.; Spigset, Olav; Lappas, Martha; Walker, Susan; Lewis, Andrew J.. (2022) Examining differences in placental efficiency following exposure to antidepressants and current depression: Findings from an Australian pregnancy cohort study. Placenta
  Vitenskapelig artikkel
• Melby, Katrine; Spigset, Olav; Gråwe, Rolf W.; Aamo, Trond Oskar; Quintana, Daniel. (2022) The effect of intranasal oxytocin on processing emotional stimuli during alcohol withdrawal: A randomized placebo-controlled double-blind clinical trial. Hormones and Behavior
  Vitenskapelig artikkel
• Finanger, Trine; Vaaler, Arne; Spigset, Olav; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Gråwe, Rolf W.; Skråstad, Ragnhild Bergene. (2022) Identification of unhealthy alcohol use by self-report and phosphatidylethanol (PEth) blood concentrations in an acute psychiatric department. BMC Psychiatry
  Vitenskapelig artikkel
• Ausen, Kjersti; Fossmark, Reidar; Spigset, Olav; Pleym, Hilde. (2022) Safety and Efficacy of Local Tranexamic Acid for the Prevention of Surgical Bleeding in Soft-Tissue Surgery: A Review of the Literature and Recommendations for Plastic Surgery. Plastic and Reconstructive Surgery
  Vitenskapelig artikkel
• Spigset, Olav. (2022) Essensiell kunnskap om «hverdagsfarmakologi». Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Granås, Anne Gerd; Spigset, Olav; Ruths, Sabine; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2022) Avmedisinering i siste leveår – praktisk beslutningsstøtte. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Fagartikkel
• Ausen, Kjersti; Eikebrokk, Tuva Alseth; Vassmyr, Brita; Gravastrand, Caroline Saugestad; Spigset, Olav; Pukstad, Brita Solveig. (2022) Letter to the Editor Regarding "Cytotoxicity and Effect of Topical Application of Tranexamic Acid on Human Fibroblast in Spine Surgery". World Neurosurgery
  Kommentar
• Galbally, Megan; Watson, Stuart J; Spigset, Olav. (2022) Depression and antidepressant treatment in the development of hypertensive disorders of pregnancy: Results from a prospective cohort study. Australian and New Zealand journal of psychiatry (Print)
  Vitenskapelig artikkel
• Bakken, Marit Stordal; Ranhoff, Anette Hylen; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2022) STOPPFrail-2. Screeningverktøy for potensielt uhensiktsmessig legemiddelbruk til skrøpelige eldre med begrenset gjenstående levetid. Norsk Legemiddelhåndbok
  Fagartikkel
• Granås, Anne Gerd; Spigset, Olav; Ruths, Sabine; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2022) Avmedisinering i siste leveår – praktisk beslutningsstøtte. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Fagartikkel
• Gedde-Dahl, Ane; Spigset, Olav; Molden, Espen. (2022) Co-prescription of metoprolol and CYP2D6-inhibiting antidepressants before and after implementation of an optimized drug interaction database in Norway. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Gynnild, Mari Nordbø; Hageman, Steven H. J.; Spigset, Olav; Lydersen, Stian; Saltvedt, Ingvild; Dorresteijn, Jannick AN; Visseren, Frank L.J.; Ellekjær, Hanne. (2022) Use of lipid-lowering therapy after ischaemic stroke and expected benefit from intensification of treatment. Open heart
  Vitenskapelig artikkel
• Gastaldon, Chiara; Arzenton, Elena; Raschi, Emanuel; Spigset, Olav; Papola, Davide; Ostuzzi, Giovanni; Moretti, Ugo; Trifirò, Gianluca; Barbui, Corrado; Schoretsanitis, Georgios. (2022) Neonatal withdrawal syndrome following in utero exposure to antidepressants: a disproportionality analysis of VigiBase, the WHO spontaneous reporting database. Psychological Medicine
  Vitenskapelig artikkel
• Aakerøy, Rachel; Stokes, Charlotte Lorentze; Tomic, Marija; Hegstad, Solfrid; Kristoffersen, Ann-Helen; Ellekjær, Hanne; Schjøtt, Jan Didrik; Spigset, Olav; Helland, Arne. (2022) Serum or Plasma for Quantification of Direct Oral Anticoagulants?. Therapeutic Drug Monitoring
  Vitenskapelig artikkel

2021

• Andersen, Sarah Hjorth; Lupattelli, Angela; Handal, Marte; Spigset, Olav; Ystrøm, Eivind; Nordeng, Hedvig Marie Egeland. (2021) Prenatal Exposure to Non-Steroidal Anti-Inflammatory Drugs and Risk of Attention-Deficit/Hyperactivity Disorder - a Follow-Up Study in the Norwegian Mother, Father and Child Cohort. Pharmacoepidemiology and Drug Safety
  Vitenskapelig artikkel
• Lauvsnes, Anders Dahlen Forsmo; Langaas, Mette; Olsen, Alexander; Vassileva, Jasmin; Spigset, Olav; Gråwe, Rolf Wilhelm. (2021) Adhd and mental health symptoms in the identification of young adults with increased risk of alcohol dependency in the general population—the hunt4 population study. International Journal of Environmental Research and Public Health (IJERPH)
  Vitenskapelig artikkel
• Eap, C.B.; Gründer, Gerhard; Baumann, P.; Ansermot, N.; Conca, A.; Corruble, E.; Crettol, S.; Dahl, Marja-Liisa; Leon, Leon de; Greiner, C.. (2021) Tools for optimising pharmacotherapy in psychiatry (therapeutic drug monitoring, molecular brain imaging and pharmacogenetic tests): focus on antidepressants. World Journal of Biological Psychiatry
  Vitenskapelig oversiktsartikkel
• Amundsen, Siri; Nordeng, Hedvig Marie Egeland; Fuskevåg, Ole Martin; Nordmo, Elisabet N; Sager, Georg; Spigset, Olav. (2021) Transfer of triptans into human breast milk and estimation of infant drug exposure through breastfeeding. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Gynnild, Mari Nordbø; Hageman, Steven HJ; Dorresteijn, Jannick AN; Spigset, Olav; Lydersen, Stian; Wethal, Torgeir; Saltvedt, Ingvild; Visseren, Frank LJ; Ellekjær, Hanne. (2021) Risk Stratification in Patients with Ischemic Stroke and Residual Cardiovascular Risk with Current Secondary Prevention. Clinical Epidemiology
  Vitenskapelig artikkel
• Fjukstad, Katrine Kveli; Athanasiu, Lavinia; Bahrami, Shahram; O`Connell, Kevin; van der Meer, Dennis; Bettella, Francesco; Dieset, Ingrid; Steen, Nils Eiel; Djurovic, Srdjan; Spigset, Olav. (2021) Genetic variants associated with cardiometabolic abnormalities during treatment with selective serotonin reuptake inhibitors: a genome-wide association study. The Pharmacogenomics Journal
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2021) Mer om steroider. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Ngo, Elin Thuy Phuong; Spigset, Olav; Lupattelli, Angela; Panchaud, Alice; Annaert, Pieter; Allegaert, Karel; Nordeng, Hedvig Marie Egeland. (2021) Antihistamine use during breastfeeding with focus on breast milk transfer and safety in humans: A systematic literature review. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Brodtkorb, Eylert; Myren-Svelstad, Sverre; Knudsen-Baas, Kristin M.; Nakken, Karl Otto; Spigset, Olav. (2021) Precision treatment with nicotine in autosomal dominant sleep-related hypermotor epilepsy (ADSHE): An observational study of clinical outcome and serum cotinine levels in 17 patients. Epilepsy Research
  Vitenskapelig artikkel
• Skeie, Hanne Robbestad; Nordlund, Ragnhild; Slørdal, Lars; Spigset, Olav. (2021) Legemiddelavvik hos pasienter innlagt i sykehus. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Espnes, Ketil Arne; Hønnås, Arne; Løvvik, Tone Shetelig; Gundersen, Per Ole Mobråten; Naavik, Audhild; Skogvoll, Eirik; Westin, Andreas; Spigset, Olav; Vanky, Eszter. (2021) Metformin serum concentrations during pregnancy and postpartum - a clinical study in patients with polycystic ovary syndrome. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig artikkel
• Hegstad, Solfrid; Fuskevåg, Ole Martin; Amundsen, Siri; Gule, Marina; Spigset, Olav; Helland, Arne. (2021) Stability of Direct Oral Anticoagulants and Antiarrhythmic Drugs in Serum Collected in Standard (Nongel) Serum Tubes Versus Tubes Containing Gel Separators. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Husebye, Elisabeth Synnøve Nilsen; Riedel, Bettina Maria Ingeborg; Monsen, Anne-Lise Bjørke; Spigset, Olav; Daltveit, Anne Kjersti Nesje; Gilhus, Nils Erik; Bjørk, Marte-Helene. (2021) Vitamin B status and association with antiseizure medication in pregnant women with epilepsy. Epilepsia
  Vitenskapelig artikkel
• Finanger, Trine; Spigset, Olav; Gråwe, Rolf W.; Andreassen, Trine Naalsund; Løkken, Trine Nordgård; Aamo, Trond Oskar; Bratt, Guro Emilie; Tømmervik, Kristin; Langaas, Vibeke Stenhaug; Finserås, Kristin. (2021) Phosphatidylethanol as blood biomarker of alcohol consumption in early pregnancy: An observational study in 4067 pregnant women. Alcoholism: Clinical and Experimental Research
  Vitenskapelig artikkel

2020

• Gynnild, Mari Nordbø; Aakerøy, Rachel; Spigset, Olav; Askim, Torunn; Beyer, Mona Kristiansen; Ihle-Hansen, Hege; Munthe-Kaas, Ragnhild; Knapskog, Anne Brita; Lydersen, Stian; Næss, Halvor. (2020) Vascular risk factor control and adherence to secondary preventive medication after ischaemic stroke. Journal of Internal Medicine
  Vitenskapelig artikkel
• Melby, Katrine; Fasmer, Ole Bernt; Henriksen, Tone Elise Gjøtterud; Gråwe, Rolf W.; Aamo, Trond Oskar; Spigset, Olav. (2020) Actigraphy assessment of motor activity and sleep in patients with alcohol withdrawal syndrome and the effects of intranasal oxytocin. PLOS ONE
  Vitenskapelig artikkel
• Spigset, Olav. (2020) Solid lærebok i farmakologi [Kim Brøsen, Kim Dalhoff, Ulf Simonsen, red. Basal og klinisk farmakologi 6. utg. 1 218 s, tab, ill. København: FADL’s forlag, 2019. Pris DKK 1 200 ISBN 978-87-93590-25-0]. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Bokanmeldelse
• Schoretsanitis, Georgios; Westin, Andreas; Stingl, Julia C.; Deligiannidis, Kristina M.; Paulzen, Michael; Spigset, Olav. (2020) Antidepressant transfer into amniotic fluid, umbilical cord blood & breast milk: A systematic review and combined analysis. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Vitenskapelig oversiktsartikkel
• Anstensrud, Anne Kristine; Molden, Espen; Haug, Hans Jørgen; Qazi, Rehman Ul-Haq; Muriq, Hysen; Fosshaug, Linn Elisabeth Lillerud; Spigset, Olav; Øie, Erik. (2020) Impact of genotype-predicted CYP2D6 metabolism on clinical effects and tolerability of metoprolol in patients after myocardial infarction – a prospective observational study. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Schoretsanitis, Georgios; Spigset, Olav; Stingl, Julia C.; Deligiannidis, Kristina M.; Paulzen, Michael; Westin, Andreas. (2020) The impact of pregnancy on the pharmacokinetics of antidepressants: a systematic critical review and meta-analysis. Expert Opinion on Drug Metabolism & Toxicology
  Vitenskapelig oversiktsartikkel
• Galbally, Megan; Watson, Stuart J.; Spigset, Olav; Boyce, Philip; Oberlander, Tim F.; Lewis, Andrew J.. (2020) Antidepressant exposure in pregnancy and child sensorimotor and visuospatial development. Journal of Psychiatric Research
  Vitenskapelig artikkel
• Krabseth, Hege-Merete; Strømmen, Magnus; Spigset, Olav; Helland, Arne. (2020) Effect of sleeve gastrectomy on buprenorphine pharmacokinetics: A planned case observation. Clinical Therapeutics
  Vitenskapelig artikkel
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2020) Correction to: Learning the effects of psychotropic drugs during pregnancy using real‑world safety data: a paradigm shift toward modern pharmacovigilance (International Journal of Clinical Pharmacy, (2018), 40, 4, (783-786), 10.1007/s11096-018-0672-2). International Journal of Clinical Pharmacy
  Korrigendum
• Havnen, Hilde; Hansen, Miriam; Spigset, Olav; Hegstad, Solfrid. (2020) Enantiomeric separation and quantification of R/S‐amphetamine in serum using semi‐automated liquid‐liquid extraction and ultra‐high performance supercritical fluid chromatography‐tandem mass spectrometry. Drug Testing and Analysis
  Vitenskapelig artikkel
• Sandvik, Pål; Lydersen, Stian; Hegstad, Solfrid; Spigset, Olav. (2020) Association between low body weight and cytochrome P-450 enzyme activity in patients with anorexia nervosa. Pharmacology Research & Perspectives
  Vitenskapelig artikkel
• Galbally, Megan; Watson, Stuart J.; Keelan, Jeffrey A.; Spigset, Olav; Lewis, Andrew. (2020) The relationship between oxytocin blood concentrations and antidepressant treatment over pregnancy and the postpartum. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Vitenskapelig artikkel
• Isaksen, Ingrid; Skogstad, Marte; Spigset, Olav; Slørdal, Lars. (2020) Analgetisk effekt av paracetamol ved vanlige kroniske eller residiverende smertetilstander. Norsk Farmaceutisk Tidsskrift (NFT)
  Vitenskapelig oversiktsartikkel
• Gundersen, Per Ole Mobråten; Broecker, Sebastian; Slørdal, Lars; Spigset, Olav; Josefsson, Martin. (2020) Retrospective screening of synthetic cannabinoids, synthetic opioids and designer benzodiazepines in data files from forensic post mortem samples analyzed by UHLC-QTOF-MS from 2014 to 2018. Forensic Science International
  Vitenskapelig artikkel
• Melby, Katrine; Gråwe, Rolf W.; Aamo, Trond Oskar; Skovlund, Eva; Spigset, Olav. (2020) Efficacy of self-administered intranasal oxytocin on alcohol use and craving after detoxification in patients with alcohol dependence. A double-blind placebo-controlled trial. Alcohol and Alcoholism
  Vitenskapelig artikkel
• Schoretsanitis, Georgios; Westin, Andreas; Deligiannidis, Kristina; Spigset, Olav; Paulzen, Michael. (2020) Excretion of Antipsychotics Into the Amniotic Fluid, Umbilical Cord Blood, and Breast Milk: A Systematic Critical Review and Combined Analysis. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Skråstad, Ragnhild Bergene; Spigset, Olav; Aamo, Trond Oskar; Andreassen, Trine Naalsund. (2020) Stability of Phosphatidylethanol 16:0/18:1 in Freshly Drawn, Authentic Samples from Healthy Volunteers. Journal of Analytical Toxicology
  Vitenskapelig artikkel

2019

• Hjorth, Sarah; Bromley, Rebecca; Ystrom, Eivind; Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2019) Use and validity of child neurodevelopment outcome measures in studies on prenatal exposure to psychotropic and analgesic medications – A systematic review. PLOS ONE
  Vitenskapelig oversiktsartikkel
• Olaisen, Maya; Spigset, Olav; Flatberg, Arnar; Granlund, Atle van Beelen; Brede, wenche Rødseth; Albrektsen, Grethe; Røyset, Elin Synnøve; Gilde, Bodil; Sandvik, Arne Kristian; Martinsen, Tom Christian. (2019) Mucosal 5-aminosalicylic acid concentration, drug formulation and mucosal microbiome in patients with quiescent ulcerative colitis. Alimentary Pharmacology and Therapeutics
  Vitenskapelig artikkel
• Ausen, Kjersti; Hagen, Anne Irene; Østbyhaug, Heidi Sæther; Olafsson, Sverrir; Kvalsund, Berit; Spigset, Olav; Pleym, Hilde. (2019) Topical moistening of mastectomy wounds with diluted tranexamic acid to reduce bleeding: randomized clinical trial. BJS Open
  Vitenskapelig artikkel
• Ausen, Kjersti; Pleym, Hilde; Liu, Jiayin; Hegstad, Solfrid; Nordgaard, Håvard B.; Pavlovic, Ivan; Spigset, Olav. (2019) Serum Concentrations and Pharmacokinetics of Tranexamic Acid after Two Means of Topical Administration in Massive Weight Loss Skin-Reducing Surgery. Plastic and Reconstructive Surgery
  Vitenskapelig artikkel
• Eikebrokk, Tuva Alseth; Vassmyr, Brita; Ausen, Kjersti; Gravastrand, Caroline S.; Spigset, Olav; Pukstad, Brita. (2019) Cytotoxicity and effect on wound re-epithelialization after topical administration of tranexamic acid. BJS Open
  Vitenskapelig artikkel
• Hegstad, Solfrid; Spigset, Olav; Helland, Arne. (2019) Stability of 21 Antihypertensive Drugs in Serum Collected in Standard (Non-Gel) Serum Tubes versus Tubes Containing a Gel Separator. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Chalabianloo, Fatemeh; Westin, Andreas; Skogvoll, Eirik; Bramness, Jørgen Gustav; Spigset, Olav. (2019) Methadone serum concentrations and influencing factors: A naturalistic observational study. Psychopharmacology
  Vitenskapelig artikkel
• Schjøtt, Jan; Spigset, Olav. (2019) Drug information centres and their provision of decision support: The Scandinavian experience. Journal of Clinical Pharmacy and Therapeutics
  Vitenskapelig oversiktsartikkel
• Edvinsson, Åsa; Hellgren, Charlotte; Kallak, Theodora; Åkerud, Helena; Skalkidou, Alkistis; Stener-Victorin, Elisabet; Fornes, Romina; Spigset, Olav; Lager, Susanne; Olivier, Jocelien. (2019) The effect of antenatal depression and antidepressant treatment on placental tissue: a protein-validated gene expression study. BMC Pregnancy and Childbirth
  Vitenskapelig artikkel
• Dyrkorn, Roar; Langaas, Harald Chr.; Giverhaug, Trude; Espnes, Ketil Arne; Rowett, Debra; Spigset, Olav. (2019) Academic detailing as a method of continuing medical education. Advances in Medical Education and Practice
  Vitenskapelig artikkel
• Solnør, Ludvik Saxhaug; Skeie, Øystein Stenerud; Spigset, Olav; Slørdal, Lars. (2019) Sikkerhet ved bruk av langtidsvirkende β₂-agonister ved astma. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Britz, Hannah; Hanke, Nina; Volz, Anke-Katrin; Spigset, Olav; Schwab, Matthias; Eissing, Thomas; Wendl, Thomas; Frechen, Sebastian; Lehr, Thorsten. (2019) Physiologically-based pharmacokinetic models for CYP1A2 drug-drug interaction prediction: A modeling network of fluvoxamine, theophylline, caffeine, rifampicin, and midazolam. CPT: Pharmacometrics and Systems Pharmacology (PSP)
  Vitenskapelig artikkel
• Gundersen, Per Ole Mobråten; Åstrand, Anna; Gréen, Henrik; Josefsson, Martin; Spigset, Olav; Vikingsson, Svante. (2019) Metabolite profiling of ortho-, meta- and para-fluorofentanyl by hepatocytes and high-resolution mass spectrometry. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Jonsson, Anna K.; Spigset, Olav; Reis, Margareta. (2019) A Compilation of Serum Concentrations of 12 Antipsychotic Drugs in a Therapeutic Drug Monitoring Setting. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Husebye, Elisabeth Synnøve Nilsen; Gilhus, Nils Erik; Spigset, Olav; Daltveit, Anne Kjersti; Bjørk, Marte-Helene. (2019) Language impairment in children aged 5 and 8 years after antiepileptic drug exposure in utero – the Norwegian Mother and Child Cohort Study. European Journal of Neurology
  Vitenskapelig artikkel
• Melby, Katrine; Gråwe, Rolf W.; Aamo, Trond Oskar; Salvesen, Øyvind; Spigset, Olav. (2019) Effect of intranasal oxytocin on alcohol withdrawal syndrome: A randomized placebo-controlled double-blind clinical trial. Drug and Alcohol Dependence
  Vitenskapelig artikkel
• Holmøy, Trygve; Fevang, Børre; Olsen, David Benee; Spigset, Olav; Bø, Lars. (2019) Adverse events with fatal outcome associated with alemtuzumab treatment in multiple sclerosis. BMC Research Notes
  Vitenskapelig artikkel
• Sæther, Grete; Dyrkorn, Roar; Spigset, Olav; Espnes, Ketil Arne. (2019) Kasuistikk: En mann med depresjon og mangelfull effekt av venlafaksin. Bioingeniøren
  Vitenskapelig artikkel

2018

• Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas; Spigset, Olav. (2018) Metabolic risk factors in schizophrenia and bipolar disorder: The effect of comedication with selective serotonin reuptake inhibitors and antipsychotics. European psychiatry
  Vitenskapelig artikkel
• Hegstad, Solfrid; Havnen, Hilde; Helland, Arne; Spigset, Olav; Frost, Joachim. (2018) Enantiomeric separation and quantification of R/S-amphetamine in urine by ultra-high performance supercritical fluid chromatography tandem mass spectrometry. Journal of chromatography. B
  Vitenskapelig artikkel
• Schjøtt, Jan; Böttiger, Ylva; Damkier, Per; Reppe, Linda Amundstuen; Kampmann, Jens Peter; Christensen, Hanne Rolighed; Spigset, Olav. (2018) Use of references in responses from Scandinavian drug information centres. Medicines
  Vitenskapelig artikkel
• Gundersen, Per Ole Mobråten; Spigset, Olav; Josefsson, Martin. (2018) Screening, quantification and confirmation of synthetic cannabinoid metabolites in urine by UHPLC-QTOF-MS. Drug Testing and Analysis
  Vitenskapelig artikkel
• Gundersen, Per Ole Mobråten; Helland, Arne; Spigset, Olav; Hegstad, Solfrid. (2018) Quantification of 21 antihypertensive drugs in serum using UHPLC-MS/MS. Journal of chromatography. B
  Vitenskapelig artikkel
• Husebye, Elisabeth Synnøve Nilsen; Gilhus, Nils Erik; Riedel, Bettina; Spigset, Olav; Daltveit, Anne Kjersti; Bjørk, Marte-Helene. (2018) Verbal abilities in children of mothers with epilepsy: Association to maternal folate status. Neurology
  Vitenskapelig artikkel
• Mauseth, Siri Ann; Skurtveit, Svetlana; Skovlund, Eva; Langhammer, Arnulf; Spigset, Olav. (2018) Medication use and association with urinary incontinence in women: Data from the Norwegian Prescription Database and the HUNT study. Neurourology and Urodynamics
  Vitenskapelig artikkel
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2018) Learning the effects of psychotropic drugs during pregnancy using real-world safety data: a paradigm shift toward modern pharmacovigilance. International Journal of Clinical Pharmacy
  Vitenskapelig artikkel
• Langaas, Harald Chr.; Hurley, Eimir; Dyrkorn, Roar; Spigset, Olav. (2018) Effectiveness of an academic detailing intervention in primary care on the prescribing of non-steroidal anti-inflammatory drugs. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Jönsson, Anna K.; Schill, Johan; Olsson, Hans; Spigset, Olav; Hägg, Staffan. (2018) Venous Thromboembolism During Treatment with Antipsychotics: A Review of Current Evidence. CNS Drugs
  Vitenskapelig oversiktsartikkel
• Westin, Andreas; Reimers, Arne; Spigset, Olav. (2018) Skal gravide ha lavere eller høyere legemiddeldoser?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Dyrkorn, Roar; Lundgaard, Halvor; Stokes, Charlotte Lorentze; Molden, Espen; Spigset, Olav. (2018) Serumkonsentrasjonsmålinger av DOAK-legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Haidl, Frans Felxi; Rosseland, Leiv Arne; Spigset, Olav; Dahl, Vegard. (2018) Effects of Adrenaline on maternal and fetal fentanyl absorption in epidural analgesia: a randomized trial. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2018) Læringsmål, eksamen og legers virkelighet :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Lien, Knut; Spigset, Olav; Westin, Andreas; Slørdal, Lars. (2018) Overgangen fra digitoksin til digoksin i årene 2011–13. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Helland, Arne; Habib, Simone; Ulvestad, Line; Spigset, Olav. (2018) Systemic inflammation complicates the interpretation of therapeutic drug monitoring of risperidone. Journal of Clinical Psychopharmacology
  Kommentar
• Galbally, Megan; Ryan, Joanne; IJzendoorn, Marinus van; Watson, Stuart J.; Spigset, Olav; Lappas, Martha; Saffery, Richard; Kloet, Ron de; Lewis, Andrew James. (2018) Maternal depression, antidepressant use and placental oxytocin receptor DNA methylation: Findings from the MPEWS study. Psychoneuroendocrinology
  Vitenskapelig artikkel
• Lindahl, Sofia; Dyrkorn, Roar; Spigset, Olav; Hegstad, Solfrid. (2018) Quantification of apixaban, dabigatran, edoxaban, and rivaroxaban in human serum by UHPLC-MS/MS-method development, validation, and application. Therapeutic Drug Monitoring
  Vitenskapelig artikkel

2017

• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2017) Norsk oversettelse av forskrivningsverktøyet STOPPFrail. Norsk Farmaceutisk Tidsskrift (NFT)
  Fagartikkel
• Hegstad, Solfrid; Helland, Arne; Hagemann, Cecilie Therese; Spigset, Olav. (2017) EtG/EtS in Serum by UHPLC-MS-MS in Suspected Sexual Assault Cases. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Holmsen, Solveig Thorp; Havnen, Gro Cecilie; Nordmo, Elisabet N; Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2017) Re: Familieplanlegging, graviditet og amming ved multippel sklerose :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Reppe, Linda Amundstuen; Spigset, Olav; Kampmann, Jens Peter; Damkier, Per; Christensen, Hanne Rolighed; Böttiger, Ylva; Schjøtt, Jan. (2017) Quality assessment of structure and language elements of written responses given by seven Scandinavian drug information centres. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Hegstad, Solfrid; Kristoffersen, Lena; Liane, Veronica Horpestad; Spigset, Olav. (2017) EtG and EtS in autopsy blood samples with and without putrefaction using UPLC-MS-MS. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Aadal, Marianne; Spigset, Olav. (2017) Changes in drug disposition of lithium during pregnancy: A retrospective observational study of patient data from two routine therapeutic drug monitoring services in Norway. BMJ Open
  Vitenskapelig artikkel
• Lupattelli, Angela; Wood, Mollie; Lapane, Kate L; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2017) Risk of preeclampsia after gestational exposure to selective serotonin reuptake inhibitors and other antidepressants: A study from The Norwegian Mother and Child Cohort Study. Pharmacoepidemiology and Drug Safety
  Vitenskapelig artikkel
• Smith, Robert Løvsletten; Haslemo, Tore; Andreassen, Ole Andreas; Eliasson, Erik; Dahl, Marja-Liisa; Spigset, Olav; Molden, Espen. (2017) Correlation between serum concentrations of N-desmethylclozapine and granulocyte levels in patients with schizophrenia: a retrospective observational study. CNS Drugs
  Vitenskapelig artikkel
• Helland, Arne; Spigset, Olav. (2017) Serum concentrations of paliperidone after administration of the long-acting injectable formulation. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Mauseth, Siri Ann; Skurtveit, Svetlana; Langhammer, Arnulf; Spigset, Olav. (2017) Incidence of and factors associated with anticholinergic drug use among Norwegian women with urinary incontinence. International Urogynecology Journal
  Vitenskapelig artikkel
• Galbally, Megan; Spigset, Olav; Johnson, Andrew R.; Kohan, Rolland; Lappas, Martha; Lewis, Andrew J.. (2017) Neonatal adaptation following intrauterine antidepressant exposure: assessment, drug assay levels, and infant development outcomes. Pediatric Research
  Vitenskapelig artikkel
• Heltne, Marianne; Saltvedt, Ingvild; Lydersen, Stian; Prestmo, Anders; Sletvold, Olav; Spigset, Olav. (2017) Patterns of drug prescriptions in an orthogeriatric ward as compared to orthopaedic ward: results from the Trondheim Hip Fracture Trial?a randomised clinical trial. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Hegstad, Solfrid; Havnen, Hilde; Helland, Arne; Falch, Berit Margrethe Hasle; Spigset, Olav. (2017) Enantiomeric separation and quantification of citalopram in serum by ultra-high performance supercritical fluid chromatography-tandem mass spectrometry. Journal of chromatography. B
  Vitenskapelig artikkel
• Thu, Ole Kristian Forstrønen; Spigset, Olav; Hellum, Bent Håvard. (2017) Noncompetitive inhibition of human CYP2C9 in vitro by a commercial Rhodiola rosea product. Pharmacology Research & Perspectives
  Vitenskapelig artikkel
• Castberg, Ingrid Mehli; Westin, Andreas; Skogvoll, Eirik; Spigset, Olav. (2017) Effects of age and gender on the serum levels of clozapine, olanzapine, risperidone, and quetiapine. Acta Psychiatrica Scandinavica
  Vitenskapelig artikkel
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Castberg, Ingrid Mehli; Spigset, Olav. (2017) Treatment with antipsychotics in pregnancy: changes in drug disposition. Clinical Pharmacology and Therapeutics
  Vitenskapelig artikkel
• Andreassen, Trine Naalsund; Havnen, Hilde; Spigset, Olav; Falch, Berit Margrethe Hasle; Skråstad, Ragnhild Bergene. (2017) Hight throughput UHPC-MSMS method for the analysis of phosphatidylethanol (PEth) 16:0/18:1, a specific biomarker for alcohol consumption, in whole blood. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2017) Norsk oversettelse av forskrivningsverktøyet STOPPFrail. Norsk Farmaceutisk Tidsskrift (NFT)
  Fagartikkel
• Bjørk, Marte Helene; Riedel, Bettina; Spigset, Olav; Veiby, Gyri; Kolstad, Eivind; Daltveit, Anne Kjersti; Gilhus, Nils Erik. (2017) Association of folic acid supplementation during pregnancy with the risk of autistic traits in children exposed to antiepileptic drugs in utero. JAMA Neurology
  Vitenskapelig artikkel
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Spigset, Olav. (2017) Selective serotonin reuptake inhibitors and venlafaxine in pregnancy: Changes in drug disposition. PLOS ONE
  Vitenskapelig artikkel
• Sund, Janne Kutschera; Sletvold, Olav; Mellingsæter, Trude Cecilie; Hukari, Randi; Hole, Torstein; Uggen, Per Einar; Vadset, Petra Thiemann; Spigset, Olav. (2017) Discrepancies in drug histories at admission to gastrointestinal surgery, internal medicine and geriatric hospital wards in Central Norway: A cross-sectional study. BMJ Open
  Vitenskapelig artikkel

2016

• Nezvalova-Henriksen, Katerina; Wood, Mollie; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2016) Association of Prenatal Ibuprofen Exposure with Birth Weight and Gestational Age: A Population-Based Sibling Study. PLOS ONE
  Vitenskapelig artikkel
• Thu, Ole Kristian Forstrønen; Spigset, Olav; Nilsen, Odd Georg; Hellum, Bent Håvard. (2016) Effect of commercial Rhodiola rosea on CYP enzyme activity in humans. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Brandlistuen, Ragnhild Eek; Ystrøm, Eivind; Koren, Gideon; Nordeng, Hedvig Marie Egeland. (2016) Effect of prenatal selective serotonin reuptake inhibitor (SSRI) exposure on birthweight and gestational age: a sibling-controlled cohort study. International Journal of Epidemiology
  Vitenskapelig artikkel
• Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2016) Safety of Psychotropic Drugs in Pregnancy and Breastfeeding.
  Vitenskapelig kapittel
• Hagen, Nina Therese; Spigset, Olav. (2016) Sulfaallergi – hvilke legemidler må pasienten unngå på grunn av risiko for kryssreaksjon?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas; Spigset, Olav. (2016) Metabolic abnormalities related to treatment with selective serotonin reuptake inhibitors in patients with schizophrenia or bipolar disorder. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Nordeng, Hedvig Marie Egeland; Kaplan, Yusuf Cem; Spigset, Olav. (2016) Antipsychotics during Breastfeeding.
  Vitenskapelig kapittel
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid. (2016) Serum levels of second-generation antipsychotics are associated with cognitive function in psychotic disorders. World Journal of Biological Psychiatry
  Vitenskapelig artikkel
• Reppe, Linda Amundstuen; Spigset, Olav; Schjøtt, Jan. (2016) Drug information services today: current role and future perspectives in rational drug therapy. Clinical Therapeutics
  Vitenskapelig artikkel
• Söderberg, Carl; Wernvik, Emma; Tillmar, Andreas; Spigset, Olav; Kronstrand, Robert; Reis, Margareta; Jonsson, Anna K.; Druid, Henrik. (2016) Antipsychotics - Postmortem fatal and non-fatal reference concentrations. Forensic Science International
  Vitenskapelig artikkel
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid. (2016) Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting. International journal of bipolar disorders
  Vitenskapelig artikkel
• Reppe, Linda Amundstuen; Lydersen, Stian; Schjøtt, Jan; Damkier, Per; Christensen, Hanne Rolighed; Kampmann, Jens Peter; Böttiger, Ylva; Spigset, Olav. (2016) Relationship Between Time Consumption and Quality of Responses to Drug-Related Queries:A Study From Seven Drug Information Centers in Scandinavia. Clinical Therapeutics
  Vitenskapelig artikkel
• Strømmen, Magnus; Helland, Arne; Kulseng, Bård Eirik; Spigset, Olav. (2016) Increased bioavailability of methadone following sleeve gastrectomy - a planned case observation. Clinical Therapeutics
  Vitenskapelig artikkel
• Kaplan, Yusuf Cem; Spigset, Olav. (2016) Comment to the article 'Use of psychotropic drugs during pregnancy and breast-feeding'. Acta Psychiatrica Scandinavica
  Kommentar
• Aakerøy, Rachel; Skråstad, Ragnhild; Helland, Arne; Hilberg, Thor; Aamo, Trond Oskar; Dyrkorn, Roar; Spigset, Olav. (2016) Nye markører for påvisning av alkoholbruk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel

2015

• Slørdal, Lars; Spigset, Olav; Garberg, Hedda Rosland; Gladsø, Kristin Haugen. (2015) L. Slørdal og medarbeidere svarer:. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Bjørk, Marte Helene; Veiby, Gyri; Reiter, Simone B. C. Frizell; Berle, Jan Øystein; Daltveit, Anne Kjersti; Spigset, Olav; Engelsen, Bernt; Gilhus, Nils Erik. (2015) Depression and anxiety in women with epilepsy during pregnancy and after delivery: a prospective population-based cohort study on frequency, risk factors, medication, and prognosis. Epilepsia
  Vitenskapelig artikkel
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2015) Norsk oversettelse av START 2 og STOPP 2. Norsk Farmaceutisk Tidsskrift (NFT)
  Vitenskapelig artikkel
• Møllersen, Marie Viel; Norgård, Helle; Spigset, Olav; Slørdal, Lars. (2015) Hjerte, smerte - kardiovaskulær sikkerhet og ikke-steroide antiinflammatoriske midler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Amundsen, Siri; Poole, Anne Christine; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2015) Farmakologisk behandling av migrene. Norsk Farmaceutisk Tidsskrift (NFT)
  Vitenskapelig oversiktsartikkel
• Lupattelli, Angela; Spigset, Olav; Björnsdottir, Ingunn; Hämeen-Anttila, Katri; Mårdby, Ann-Charlotte; Panchaud, Alice; Juraski, Romana Gjergia; Rudolf, Gorazd; Odalovic, Marina; Drozd, Mariola. (2015) Patterns and factors associated with low adherence to psychotropic medications during pregnancy - a cross-sectional, multinational web-based study. Depression and Anxiety
  Vitenskapelig artikkel
• Athanasiu, Lavinia; Smorr, Lisa-Lena H; Tesli, Martin Steen; Røssberg, Jan Ivar; Sønderby, Ida Elken; Spigset, Olav; Djurovic, Srdjan; Andreassen, Ole Andreas. (2015) Genome-wide association study identifies common variants associated with pharmacokinetics of psychotropic drugs. Journal of Psychopharmacology
  Vitenskapelig artikkel
• Amundsen, Siri; Nordeng, Hedvig Marie Egeland; Nezvalova-Henriksen, Katerina; Stovner, Lars Jacob; Spigset, Olav. (2015) Pharmacological treatment of migraine during pregnancy and breastfeeding. Nature Reviews Neurology
  Vitenskapelig oversiktsartikkel
• Abou-Arab, MOHAMMAD HASSAN; Feiner, John R.; Spigset, Olav; Heier, Tom. (2015) Alfentanil during rapid sequence induction with thiopental 4 mg/kg and rocuronium 0.6 mg/kg: Tracheal intubation conditions. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Lupattelli, Angela; Spigset, Olav; Torgersen, Leila; Zerwas, Stephanie; Hatle, Marianne; Reichborn-Kjennerud, Ted; Bulik, Cynthia M.; Nordeng, Hedvig Marie Egeland. (2015) Medication Use before, during, and after Pregnancy among Women with Eating Disorders: A Study from the Norwegian Mother and Child Cohort Study. PLOS ONE
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav; Westin, Andreas. (2015) Re: Der solen aldri skinner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Slørdal, Lars; Spigset, Olav; Garberg, Hedda Rosland; Gladsø, Kristin Haugen. (2015) L. Slørdal og medarbeidere svarer:. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Thu, Ole Kristian Forstrønen; Hellum, Bent Håvard; Nilsen, Odd Georg; Spigset, Olav. (2015) Cytochrome P-450 (CYP) inhibition by commercial Rhodiola rosea products in vitro and in humans and the relevance of their constituents. NTNU-trykk
  Masteroppgave
• Gjestad, Caroline; Westin, Andreas; Skogvoll, Eirik; Spigset, Olav. (2015) Effect of proton pump inhibitors on the serum concentrations of the selective serotonin reuptake inhibitors citalopram, escitalopram, and sertraline. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Helland, Arne; Syrstad, Vigdis Elin; Spigset, Olav. (2015) Prolonged elimination of paliperidone after administration of paliperidone palmitate depot injections. Journal of Clinical Psychopharmacology
  Kommentar
• Moen, Trine; Slørdal, Lars; Spigset, Olav. (2015) Erfaringer og tilfredshet hos apotekkunder : generisk bytte av legemidler. Norsk Farmaceutisk Tidsskrift (NFT)
  Vitenskapelig artikkel
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid. (2015) Serum level of venlafaxine is associated with better memory in psychotic disorders. Schizophrenia Research
  Vitenskapelig artikkel
• Ausen, Kjersti; Fossmark, Reidar; Spigset, Olav; Pleym, Hilde. (2015) Randomized clinical trial of topical tranexamic acid after reduction mammoplasty. British Journal of Surgery
  Vitenskapelig artikkel
• Fjermeros, Kamilla; Werner, Maren Caroline; Harg, Pernille; Samdal, Hilde; Slørdal, Lars; Spigset, Olav. (2015) Melding av legemiddelbivirkninger fra pasienter 2010 - 13. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Reppe, Linda Amundstuen; Schjøtt, Jan; Spigset, Olav. (2015) The Drug Information Centre in 2015 – still a valid concept?. Clinical Therapeutics
  Konferanseabstract
• Spigset, Olav; Samdal, Hilde; Harg, Pernille; Werner, Maren Caroline; Fjermeros, Kamilla. (2015) O. Spigset og medarbeidere svarer. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Hegstad, Solfrid; Westin, Andreas; Spigset, Olav. (2015) Detection times of carboxylic acid metabolites of the synthetic cannabinoids JWH-018 and JWH-073 in human urine. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Ranhoff, Anette Hylen; Bakken, Marit Stordal; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2015) Bedre legemiddelbehandling av eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Wood, Mollie; Nordeng, Hedvig Marie Egeland. (2015) The effect of prenatal nonsteroidal anti-inflammatory drug (NSAID) exposure on immediate pregnancy outcomes – A sibling controlled cohort study. Reproductive Toxicology
  Konferanseabstract
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2015) Norwegian translation of START and STOPP 2. Norsk Farmaceutisk Tidsskrift (NFT)
  Fagartikkel
• Ranhoff, Anette Hylen; Bakken, Marit Stordal; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2015) Bedre legemiddelbehandling av eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Fagartikkel
• Andreassen, Trine Naalsund; Falch, Berit Margrethe Hasle; Spigset, Olav. (2015) A UPLC-MSMS method for the analysis of olanzapine in serum-with particular emphasis on drug stability testing. Journal of chromatography. B
  Vitenskapelig artikkel

2014

• Hegstad, Solfrid; Hermansson, S; Betner, I; Spigset, Olav; Falch, Berit Margrethe Hasle. (2014) Screening and quantitative determination of drugs of abuse in diluted urine by UPLC-MS/MS. Journal of chromatography. B
  Vitenskapelig artikkel
• Lupattelli, Angela; Spigset, Olav; Koren, Gideon; Nordeng, Hedvig Marie Egeland. (2014) Risk of Vaginal Bleeding and Postpartum Hemorrhage After Use of Antidepressants in Pregnancy: A Study From the Norwegian Mother and Child Cohort Study. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Myren-Svelstad, Sverre; Spigset, Olav; Larsen, Øivind. (2014) Vakthund i journalen. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2014) Adherence to medication for chronic disorders during pregnancy: results from a multinational study. International Journal of Clinical Pharmacy
  Vitenskapelig artikkel
• Sandli, Oda Kristine; Spigset, Olav; Slørdal, Lars. (2014) Polypillen som kardiovaskulær profylakse - kliniske studier. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2014) Interessekonflikter og forskningsparadigmer. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Spigset, Olav. (2014) Läkemedel.
  Faglig kapittel
• Westin, Andreas; Espnes, Ketil Arne; Larsen, Ruth-Anne Rasch; Bjånes, Tormod Karlsen; Berg, Jon Andsnes; Spigset, Olav. (2014) Rusmiddelanalyser i Norge. Bioingeniøren
  Vitenskapelig oversiktsartikkel
• Reppe, Linda Amundstuen; Spigset, Olav; Böttiger, Ylva; Christensen, Hanne Rolighed; Kampmann, Jens Peter; Damkier, Per; Lydersen, Stian; Schjøtt, Jan. (2014) Factors associated with time consumption when answering drug-related queries to Scandinavian drug information centres: a multi-centre study. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Søraas, Ingvild Aune; Staurset, Hanne Baust; Slørdal, Lars; Spigset, Olav. (2014) Legemiddelinteraksjoner hos pasienter i sykehjem. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Nordeng, Hedvig M Egeland; Gjerdalen, G; Brede, wenche Rødseth; Michelsen, Lisbeth Solem; Spigset, Olav. (2014) Transfer of aripiprazole to breast milk: A case report. Journal of Clinical Psychopharmacology
  Kommentar
• Gladsø, Kristin Haugen; Garberg, Hedda Rosland; Spigset, Olav; Slørdal, Lars. (2014) Skriftlig legemiddelreklame - fremdeles ikke til å stole på? :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2014) Re: Østrogentilskudd og forskningsparadigmer :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Bakken, Marit Stordal; Ruths, Sabine; Ranhoff, Anette Hylen; Spigset, Olav; Langørgen, Aina G.; Granås, Anne Gerd. (2014) START og STOPP 2, Norwegian translation. Norsk elektronisk legehåndbok
  Fagartikkel
• Lupattelli, Angela; Spigset, Olav; Twigg, Michael J.; Zagorodnikova, Ksenia; Mårdby, Ann-Charlotte; Moretti, Myla Emily; Drozd, Mariola; Panchaud, Alice; Hämeen-Anttila, Katri; Rieutord, Andre. (2014) Medication use in pregnancy: a cross-sectional, multinational web-based study. BMJ Open
  Vitenskapelig artikkel
• Bjørk, Marte Helene; Veiby, Gyri; Spigset, Olav; Gilhus, Nils Erik. (2014) Using the Norwegian Mother and Child Cohort Study to determine risk factors for delayed development and neuro-psychiatric symptoms in the offspring of parents with epilepsy. Norsk Epidemiologi
  Vitenskapelig artikkel

2013

• Lupattelli, Angela; Spigset, Olav; Twigg, MJ; Zagorodnikova, Ksenia; Mårdby, Ann-Charlotte; Moretti, Myla; Drozd, Mariola; Panchaud, Alice; Hameen-Antilla, Katri; Rieutord, Andre. (2013) Medication use during pregnancy: a multinational perspective. Pharmacoepidemiology and Drug Safety
  Konferanseabstract
• Stallvik, Marianne; Nordstrand, Berit; Kristensen, Øistein; Bathen, Jørn; Skogvoll, Eirik; Spigset, Olav. (2013) Corrected QT interval during treatment with methadone and buprenorphine-Relation to doses and serum concentrations. Drug and Alcohol Dependence
  Vitenskapelig artikkel
• Baardseth, Mari; Lynghei, Ellen; Flåte, Sølvi; Spigset, Olav; Slørdal, Lars. (2013) Legemiddelsaker i Norsk pasientskadeerstatning. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Persheim, Marthe Sæther; Helland, Arne; Slørdal, Lars; Spigset, Olav. (2013) Potensielt vanedannende legemidler på blåresept ved kroniske sterke smerter. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Storflor, Janne Guldteig; Pettersen, Linn Carina; Slørdal, Lars; Spigset, Olav. (2013) Legemidlers pakningsvedlegg – ulik informasjon om like preparater. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Rørdam, Ole Martin; Grimstad, Øystein; Spigset, Olav; Ryggen, Kristin. (2013) Giant orf with prolonged recovery in a patient with psoriasis arthritis treated with etanercept. Acta Dermato-Venereologica
  Kommentar
• Ringen, Petter Andreas; Melle, Ingrid; Berg, Akiah Ottesen; Agartz, Ingrid; Spigset, Olav; Simonsen, Carmen Elisabeth; Sundet, Kjetil Søren; Andreassen, Ole Andreas. (2013) Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder. Schizophrenia Research
  Vitenskapelig artikkel
• Hagemann, Cecilie Therese; Helland, Arne; Spigset, Olav; Espnes, Ketil Arne; Ormstad, Kari; Schei, Berit. (2013) Ethanol and drug findings in women consulting a Sexual Assault Center - Associations with clinical characteristics and suspicions of drug-facilitated sexual assault. Journal of Forensic and Legal Medicine
  Vitenskapelig artikkel
• Spigset, Olav; Westin, Andreas Austgulen. (2013) Detection Times of Pregabalin in Urine After Illicit Use: When Should a Positive Specimen Be Considered a New Intake?. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Skjaervold, Nils Kristian; Østling, Dan; Hjelme, Dag Roar; Spigset, Olav; Lyng, Oddveig; Aadahl, Petter. (2013) Blood Glucose Control Using a Novel Continuous Blood Glucose Monitor and Repetitive Intravenous Insulin Boluses: Exploiting Natural Insulin Pulsatility as a Principle for a Future Artificial Pancreas. International Journal of Endocrinology
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Triptan safety during pregnancy: a Norwegian population registry study. European Journal of Epidemiology (EJE)
  Vitenskapelig artikkel
• Helland, Arne; Syrstad, Vigdis Elin Giæver; Spigset, Olav. (2013) Prolonged Elimination Time of Paliperidone After Administration of Paliperidone Palmitate Depot Injections. Therapeutic Drug Monitoring
  Konferanseabstract
• Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2013) Legemidler og bruken av dem. Gyldendal Akademisk
  Lærebok
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Risk of vaginal bleeding after use of antidepressants in pregnancy: a study from the norwegian mother and child cohort study. Reproductive Toxicology
  Konferanseabstract
• Lupattelli, Angela; Spigset, Olav; Moretti, M.; Nordeng, Hedvig Marie Egeland. (2013) Medication Use during Pregnancy: A Multinational Perspective. Birth Defects Research Part A: Clinical and Molecular Teratology
  Konferanseabstract
• Mauseth, Siri Ann; Skurtveit, Svetlana; Spigset, Olav. (2013) Adherence, persistence and switch rates for anticholinergic drugs used for overactive bladder in women: data from the Norwegian Prescription Database. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel
• Hegstad, Solfrid; Helland, Arne; Hagemann, Cecilie Therese; Michelsen, Lisbeth Solem; Spigset, Olav. (2013) EtG/EtS in Urine from Sexual Assault Victims Determined by UPLC-MS-MS. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Sigurdh, Jeanette; Allard, Per; Spigset, Olav; Hägglöf, Bruno. (2013) Platelet serotonin transporter and 5-HT2A receptor binding in adolescents with eating disorders. International Journal of Neuroscience
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Effects of ibuprofen, diclofenac, naproxen, and piroxicam on the course of pregnancy and pregnancy outcome: a prospective cohort study. BJOG: An International Journal of Obstetrics and Gynaecology
  Vitenskapelig artikkel

2012

• Skjaervold, Nils Kristian; Lyng, Oddveig; Spigset, Olav; Aadahl, Petter. (2012) Pharmacology of Intravenous Insulin Administration: Implications for Future Closed-Loop Glycemic Control by the Intravenous/Intravenous Route. Diabetes Technology & Therapeutics
  Vitenskapelig artikkel
• Husby, Kristin Moksnes; Kaasa, Stein; Paulsen, Ørnulf; Rosland, Jan Henrik; Spigset, Olav; Dale, Ola. (2012) Serum concentrations of opiods when comparing two switching strategies to methadone for cancer pain. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Nordeng, Hedvig M Egeland; Havnen, Gro Cecilie; Spigset, Olav. (2012) Legemiddelbruk ved amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2012) Erratum to: Effects of codeine on pregnancy outcome: results from a large population-based cohort study. European Journal of Clinical Pharmacology
  Kommentar
• Løkken, Per; Skjelbred, Per; Skoglund, Lasse Ansgar; Hovland, Kjersti; Spigset, Olav. (2012) Munnstell med klorheksidin forebygger pneumoni hos intuberte pasienter. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Hagemann, Cecilie Therese; Spigset, Olav; Helland, Arne; Espnes, Ketil Arne; Ormstad, Kari; Schei, Berit. (2012) Alcohol and drug findings in women subjected to sexual assault in Trondheim, Norway - associations with background and assault characteristics and clinical variables. Acta Obstetricia et Gynecologica Scandinavica
  Konferanseabstract
• Mauseth, Siri Ann; Spigset, Olav; Skurtveit, Svetlana. (2012) Patterns of Use of Antimuscarinic Drugs for Overactive Bladder: A Study of the Norwegian Prescription Database. Pharmacoepidemiology and Drug Safety
  Konferanseabstract
• Frost, Joachim; Spigset, Olav. (2012) Opioidindusert kløe. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Fagartikkel
• Jönsson, Anna K.; Spigset, Olav; Hägg, Staffan. (2012) Venous Thromboembolism in Recipients of Antipsychotics Incidence, Mechanisms and Management. CNS Drugs
  Vitenskapelig oversiktsartikkel
• Güzey, Cüneyt; Allard, P; Brännström, Thomas; Spigset, Olav. (2012) Radioligand Binding to Brain Dopamine and Serotonin Receptors and Transporters in Parkinson's Disease: Relation to Gene Polymorphisms. International Journal of Neuroscience
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2012) Errata in "Triptan Exposure During Pregnancy and the Risk of Major Congenital Malformations and Adverse Pregnancy Outcomes: Results From the Norwegian Mother and Child Cohort Study". Headache
  Kommentar
• Nordeng, Hedvig Marie Egeland; Gelder, Marleen MHJ van; Spigset, Olav; Koren, Gideon; Einarson, Adrienne; Eberhard-Gran, Malin M C. (2012) Pregnancy Outcome After Exposure to Antidepressants and the Role of Maternal Depression: Results From the Norwegian Mother and Child Cohort Study. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Lupattelli, Angela; Spigset, Olav; Moretti, M; Koren, G; Nordeng, Hedvig Marie Egeland. (2012) Medication Use and Information Needs during Pregnancy: An International Survey. Birth Defects Research Part A: Clinical and Molecular Teratology
  Konferanseabstract
• Espnes, Ketil Arne; Heimdal, Kent Ove; Spigset, Olav. (2012) A Puzzling Case of Increased Serum Clozapine Levels in a Patient With Inflammation and Infection. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Hov, Ingrid; Bjartnes, Margunn; Slørdal, Lars; Spigset, Olav. (2012) Tas legemidler som foreskrevet?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Aa, Erlend; Helland, Arne; Spigset, Olav. (2012) Kvetiapin kan ha misbrukspotensial. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Espnes, Ketil Arne; Løvaas, Rikke Holm; Spigset, Olav. (2012) Eldre mann med atrieflimmer og forverret diabetes. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Westin, Andreas Austgulen; Larsen, Ruth-Anne Rasch; Espnes, Ketil Arne; Spigset, Olav. (2012) Legemiddelanalyser i Norge. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel

2011

• Spigset, Olav. (2011) Drug-induced aortic aneurysms, ruptures and dissections.
  Vitenskapelig kapittel
• Sund, Janne Kutschera; Mellingsæter, Trude C; Hukari, R; Sletvold, Olav; Hole, Torstein; Vadset, Petra Thiemann; Spigset, Olav. (2011) Discrepancies of drug histories in geriatric patients admitted to hospital. International Journal of Clinical Pharmacology Research
  Konferanseabstract
• Hellum, Bent Håvard; Spigset, Olav; Nilsen, Odd Georg. (2011) Bioanalytical method validation of LC-MSMS, GC-MS and HPLC assays used for analyzing substrates and metabolites included in Inje's cocktail. Toxicology Letters
  Konferanseabstract
• Øvrehus, Marius Altern; Spigset, Olav; Zahlsen, Kolbjørn; Brunsvik, Anders; Aarset, Harald; Aasarød, Knut. (2011) En ung kvinne med nyresvikt. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Guzey, Ismail Cuneyt; Lopez Rodriguez, Rosario; Myhre, Ronny; Spigset, Olav. (2011) Allele and Genotype Frequencies of Serotonin and Dopamine Transporter and Receptor Polymorphisms in a Norwegian Population. Genetic Testing and Molecular Biomarkers
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig M Egeland. (2011) Effects of codeine on pregnancy outcome: results from a large population-based cohort study. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav. (2011) Serotonergt syndrom : en særegen legemiddelbivirkning. Norsk Farmaceutisk Tidsskrift (NFT)
  Vitenskapelig oversiktsartikkel
• Molden, Espen; Spigset, Olav. (2011) Interaksjoner mellom metoprolol og antidepressive legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Reppe, Linda Amundstuen; Sandstad, Hilde Gunn; Spigset, Olav; Schjøtt, Jan. (2011) Hvordan er kvaliteten på omtalen av interaksjoner i Felleskatalogen?. Norsk Farmaceutisk Tidsskrift (NFT)
  Vitenskapelig artikkel
• Pleym, Hilde; Greiff, Guri; Mjörndal, Tom; Stenseth, Roar; Wahba, Alexander; Spigset, Olav. (2011) Effect of serotonin reuptake inhibitors on pulmonary hemodynamics in humans. Journal of Clinical Medicine Research
  Vitenskapelig artikkel
• Berle, Jan Øystein; Spigset, Olav. (2011) Antidepressant use during breastfeeding. Current Women`s Health Reviews
  Vitenskapelig artikkel
• Berle, Jan Øystein; Solberg, Dag Kristen; Spigset, Olav. (2011) Behandling av bipolar lidelse under svangerskap og etter fødsel. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Dyrkorn, Roar; Reimers, Arne; Johannessen, Ludvig; Spigset, Olav. (2011) Dekker rusmiddeltester i urin de aktuelle misbruksstoffene?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Berle, Jan Øystein; Solberg, Dag Kristen; Spigset, Olav. (2011) Behandling av bipolar lidelse under svangerskap og etter fødsel. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel

2010

• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2010) Munnskylling med klorheksidin for å forebygge pneumoni. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig. (2010) Triptan exposure during pregnancy and the risk of major congenital malformations and adverse pregnancy outcomes: results from the Norwegian Mother and Child Cohort Study. Headache
  Vitenskapelig artikkel
• Jonsson, AK; Hakkarainen, KM; Spigset, Olav; Druid, H; Hiselius, A; Hagg, S. (2010) Preventable drug related mortality in a Swedish population. Pharmacoepidemiology and Drug Safety
  Vitenskapelig artikkel
• Wekre, Liv Johanne; Spigset, Olav; Sletvold, Olav; Sund, Janne Kutschera; Grimsmo, Anders. (2010) Multidose drug dispensing and discrepancies between medication records. Quality and Safety in Healthcare
  Vitenskapelig artikkel
• Frost, Joachim; Sandvik, Pål; Spigset, Olav. (2010) Seksuelle bivirkninger av antidepressive legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Hellum, Bent Håvard; Spigset, Olav; Nilsen, Odd Georg. (2010) Validation document of analytical assays used in the "Inje cocktail" for phenotyping of CYP1A2, CYP2C9, CYP2C19, CYP2D6 and CYP3A. NTNU TRYKK
  Forskningsrapport
• Hønnås, Arne; Reimers, Arne; Spigset, Olav. (2010) Dosering av digitoksin i klinisk praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Davies, SJC; Westin, Andreas Austgulen; Castberg, Ingrid Mehli; Lewis, G; Lennard, MS; Taylor, S; Spigset, Olav. (2010) Characterisation of zuclopenthixol metabolism by in vitro and therapeutic drug monitoring studies. Acta Psychiatrica Scandinavica
  Vitenskapelig artikkel
• Lea, Dordi; Spigset, Olav; Slørdal, Lars. (2010) Norwegian medical students' attitudes towards the pharmaceutical industry. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Vandraas, Kathrine F; Spigset, Olav; Mahic, Milada; Slørdal, Lars. (2010) Non-steroidal anti-inflammatory drugs: use and co-treatment with potentially interacting medications in the elderly. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Berg, Ansgar; Furu, Kari; Spigset, Olav; Einen, Margrete. (2010) Bør barn behandles med efedrin mikstur?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Sandø, Alina Desiree; Aanes, Siv Gyda; Slørdal, Lars; Spigset, Olav. (2010) Rutiner ved førstegangs forskrivning av p-piller. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Reppe, Linda Amundstuen; Spigset, Olav; Schjøtt, Jan. (2010) Which factors predict the time spent answering queries to a drug information centre?. Pharmacy World & Science (PWS)
  Vitenskapelig artikkel

2009

• Westin, Andreas Austgulen; Huestis, Marilyn; Aarstad, Kjell; Spigset, Olav. (2009) Urinary Excretion of 11-Nor-9-Carboxy-Delta(9)-Tetrahydrocannabinol in a Pregnant Woman Following Heavy, Chronic Cannabis Use. Journal of Analytical Toxicology
  Vitenskapelig artikkel
• Spigset, Olav. (2009) Praktisk legemiddelbruk sett med svenske øyne. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Bokanmeldelse
• Rognstad, S; Brekke, M; Fetveit, A; Spigset, Olav; Wyller, TB; Straand, J. (2009) The Norwegian General Practice (NORGEP) criteria for assessing potentially inappropriate prescriptions to elderly patients. Scandinavian Journal of Primary Health Care
  Vitenskapelig artikkel
• Hedstrom, H; Bixo, M; Nyberg, S; Spigset, Olav; Zingmark, E; Backstrom, T. (2009) Studies of pharmacokinetic and pharmacodynamic properties of isoallopregnanolone in healthy women. Psychopharmacology
  Vitenskapelig artikkel
• Castberg, Ingrid Mehli; Westing, Andreas; Spigset, Olav. (2009) Does level of care, gender, age or choice of drug influence adherence to treatment with antipsychotics?. European Neuropsychopharmacology
  Konferanseabstract
• Hammer, Robert; Mære, Berit; Spigset, Olav; Slørdal, Lars. (2009) Kostbare kopier? Jeg-også-legemidler i Norge. NTNU
  Masteroppgave
• Sandø, Alina; Aanes, Siv Gyda; Spigset, Olav; Slørdal, Lars. (2009) Forskrivningspraksis av p-piller til førstegangsbrukere. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Bjartnes, Margunn; Hov, Ingrid; Spigset, Olav; Slørdal, Lars. (2009) Tar pasienter legemidler som forskrevet?. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Mellingsaeter, TC; Rordam, OM; Spigset, Olav. (2009) Association between aortic aneurysm rupture and short-term prednisolone use in two patients with dermatological disorders. Journal of the European Academy of Dermatology and Venereology
  Kommentar
• Lea, Dordi; Spigset, Olav; Slørdal, Lars. (2009) Norske medisinerstudenters holdninger til legemiddelindustrien. NTNU
  Masteroppgave
• Bagøien, Gunnhild Irene; Morken, Gunnar; Zahlsen, Kolbjørn; Aamo, Trond; Spigset, Olav. (2009) Evaluation of a Urine On-Site Drugs of Abuse Screening Test in Patients Admitted to a Psychiatric Emergency Unit. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Spigset, Olav. (2009) Spontanrapportering av bivirkninger: en viktig brikke i et stort puslespill. Norsk Farmaceutisk Tidsskrift (NFT)
  Leder
• Castberg, Ingrid; Westin, AA; Spigset, Olav. (2009) Does Level of Care, Sex, Age, or Choice of Drug Influence Adherence to Treatment With Antipsychotics?. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Hagg, S; Jonsson, AK; Spigset, Olav. (2009) Risk of venous thromboembolism due to antipsychotic drug therapy. Expert Opinion on Drug Safety
  Vitenskapelig oversiktsartikkel
• Molden, espen; Spigset, Olav. (2009) Tobakksrøyking og interaksjoner med legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Castberg, Ingrid Mehli; Spigset, Olav. (2009) Irreversible, uselektive monoaminoksidasehemmere. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Westin, Andreas Austgulen; Walstad, Rolf Aksel; Spigset, Olav. (2009) Må penicillin tas utenom måltider?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Reis, Margareta; Aamo, Trond Oskar; Spigset, Olav; Ahlner, Johan. (2009) Serum Concentrations of Antidepressant Drugs in a Naturalistic Setting: Compilation Based on a Large Therapeutic Drug Monitoring Database. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Teigen, Ingvill; Rendum, Kristin; Slørdal, Lars; Spigset, Olav. (2009) Feilmedisinering hos pasienter innlagt i sykehus. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig. (2009) Maternal characteristics and migraine pharmacotherapy during pregnancy: cross-sectional analysis of data from a large cohort study. Cephalalgia
  Vitenskapelig artikkel
• Jönsson, Anna Karin; Spigset, Olav; Tjäderborn, Michaela; Druid, Henrik; Hägg, Staffan. (2009) Fatal drug intoxications in a Swedish general population. BMC Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Nordeng, Hedvig. (2009) Farmakologi och farmakologisk omvårdnad. Studentlitteratur AB
  Lærebok
• Lia, Kjersti; Spigset, Olav; Slørdal, Lars. (2009) Kjøring under påvirkning av amfetamin og metamfetamin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel

2008

• Spigset, Olav. (2008) Farmakogenetikk i praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Davies, SJC; Westin, AA; Castberg, I; Lewis, G; Lennard, MS; Spigset, Olav. (2008) Zuclopenthixol interactions with paroxetine, fluoxetine, carbamazepine & levomepromazine in routine therapeutic monitoring. European Neuropsychopharmacology
  Konferanseabstract
• Asheim, P; Spigset, Olav; Aasarod, K; Walstad, RA; Uggen, PE; Zahlsen, K; Aadahl, Petter. (2008) Pharmacokinetics of intraperitoneally instilled aminophylline, terbutaline and tobramycin in pigs. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Wester, K; Jonsson, AK; Spigset, Olav; Druid, H; Hagg, S. (2008) Incidence of fatal adverse drug reactions: a population based study. British Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Guzey, Ismail Cuneyt; Spigset, Olav. (2008) Dopamine and serotonin receptor and transporter gene polymorphisms and extrapyramidal symptoms. Studies in Parkinson's disease and in patient treated with antipsychotic or antidepressant drugs. Tapir Uttrykk
  Doktoravhandling
• Spigset, Olav. (2008) Farmakogenetikk i praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Helland, Arne; Espnes, Ketil Arne; Reimers, Arne; Aamo, Trond O; Zahlsen, Kolbjørn; Rygnestad, Tarjei; Spigset, Olav. (2008) Legemiddel- og rusmiddelanalyser som øyeblikkelig hjelp. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Solligård, Erik; Juel, Ingebjørg s.; Spigset, Olav; Romundstad, Pål Richard; Grønbech, Jon Erik; Aadahl, Petter. (2008) Gut luminal lactate measured by microdialysis mirrors permeability of the intestinal mucosa after ischemia. Shock
  Vitenskapelig artikkel
• Castberg, Ingrid; Spigset, Olav. (2008) Prescribing patterns and the use of therapeutic drug monitoring of psychotropic medication in a psychiatric high-security unit. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Hägg, Staffan; Bate, Andrew; Stahl, Malin; Spigset, Olav. (2008) Association between venous thromboembolism and antipsychotics: a study of the WHO database of adverse drug reactions. Drug Safety
  Vitenskapelig artikkel
• Bachmann, Christine Strand; Berg, Erik Andreas; Spigset, Olav; Slørdal, Lars. (2008) Benzodiazepinliknende hypnotika - holdninger og forskrivningspraksis blant allmennleger. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Berle, Jan Øystein; Spigset, Olav. (2008) Maternal antidepressant use and breast-feeding. Current Medical Literature : Psychiatry
  Vitenskapelig oversiktsartikkel
• Khiabani, Hassan; Spigset, Olav. (2008) Anestesiprosedyrer og amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Berg, Ansgar; Furu, Kari; Spigset, Olav. (2008) Slimhinneavsvellende nesedråper og nesespray hos barn. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Karlsen, SN; Spigset, Olav; Slørdal, Lars. (2008) The dark side of ecstasy: Neuropsychiatric symptoms after exposure to 3,4-methylenedioxymethamphetamine. Basic & Clinical Pharmacology & Toxicology
  Vitenskapelig oversiktsartikkel
• Amundstuen, L; Spigset, O; Schjoett, J; Schjøtt, Jan. (2008) New methods to study complexity of drug information queries. Pharmacoepidemiology and Drug Safety
  Konferanseabstract
• Spigset, Olav; Molden, Espen. (2008) Cytokrom P-450 3A4 - kroppens viktigste arena for legemiddelinteraksjoner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Spigset, Olav; Molden, Espen. (2008) Cytokrom P-450 3A4 - kroppens viktigste arena for legemiddelinteraksjoner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel

2007

• Åsheim, Per; Spigset, Olav; Aasarød, Knut; Walstad, Rolf Aksel; Uggen, Per Einar; Zahlsen, Kolbjørn; Aadahl, Petter. (2007) Pharmacokinetics of intraperitoneal instilled aminophylline, terbutaline and tobramycin in pigs. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Castberg, Ingrid; Spigset, Olav. (2007) Effects of comedication on the serum levels of aripiprazole: Evidence from a routine therapeutic drug monitoring service. Pharmacopsychiatry
  Vitenskapelig artikkel
• Molden, Espen; Spigset, Olav. (2007) Frukt og bær - interaksjoner med legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Spigset, Olav; Brede, Wenche Rødseth; Zahlsen, Kolbjørn. (2007) Excretion of methylphenidate in breast milk. American Journal of Psychiatry
  Kommentar
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2007) Pharmacokinetics of quetiapine: Evidence from a routine therapeutic drug monitoring service. Journal of Clinical Psychiatry
  Vitenskapelig artikkel
• Reimers, Arne; Skogvoll, Eirik; Kutschera-Sund, Janne; Spigset, Olav. (2007) Lamotrigine in children and adolescents: The impact of age on its serum concentrations and the extent of drug interactions. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Skomsvoll, Johan Fredrik; Wallenius, Marianne; Koksvik, HS; Rodevand, E; Salvesen, Kjell Å; Spigset, Olav; Kvien, TK. (2007) Drug Insight: anti-tumor necrosis factor therapy for inflammatory arthropathies during reproduction, pregnancy and lactation. Nature Clinical Practice Rheumatology
  Vitenskapelig oversiktsartikkel
• Wester, K; Jönsson, Karin; Spigset, Olav; Hagg, S. (2007) Spontaneously reported fatal suspected adverse drug reactions: a 10-year survey from Sweden. Pharmacoepidemiology and Drug Safety
  Vitenskapelig artikkel
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2007) Quetiapine and drug interactions: Evidence from a routine therapeutic drug monitoring service. Journal of Clinical Psychiatry
  Vitenskapelig artikkel
• Helland, A; Spigset, Olav. (2007) Low serum concentrations of reboxetine in 2 patients treated with CYP3A4 inducers. Journal of Clinical Psychopharmacology
  Kommentar
• Nordeng, Hedvig; Spigset, Olav. (2007) Legemidler og bruken av dem. Gyldendal Akademisk
  Lærebok
• Reimers, Arne; Skogvoll, E; Sund, JK; Spigset, O. (2007) Lamotrigine in children and adolescents: the impact of age on its serum concentrations and on the extent of drug interactions. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Nordeng, Hedvig M Egeland; Spigset, Olav. (2007) Legemidler og bruken av dem. Gyldendal Akademisk
  Faglig monografi
• Guzey, Ismail Cuneyt; Scordo, MG; Spina, E; Landsem, Veslemøy Malm; Spigset, Olav. (2007) Antipsychotic-induced extrapyramidal symptoms in patients with schizophrenia: associations with dopamine and serotonin receptor and transporter polymorphisms. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Jönsson, Anna Karin; Spigset, Olav; Jacobsson, I; Hagg, S. (2007) Cerebral haemorrhage induced by warfarin - the influence of drug-drug interactions. Pharmacoepidemiology and Drug Safety
  Vitenskapelig artikkel

2006

• Hedenmalm, Karin; Sundström, Anders; Spigset, Olav. (2006) Alopecia associated with treatment with selective serotonin reuptake inhibitors (SSRIs). Pharmacoepidemiology and Drug Safety
  Vitenskapelig artikkel
• Strandberg, Joachim; Kugelberg, FC; Alkass, Kanar; Gustavsson, A; Zahlsen, Kolbjørn; Spigset, Olav; Druid, Henrik. (2006) Toxicological analysis in rats subjected to heroin and morphine overdose. Toxicology Letters
  Vitenskapelig artikkel
• Andreen, L; Spigset, Olav; Andersson, A.; Nyberg, Svante; Bäckström, Torbjörn. (2006) Pharmacokinetics of progesterone and its metabolites allopregnanolone and pregnanolone after oral administration of low-dose progesterone. Maturitas
  Vitenskapelig artikkel
• Hedenmalm, Karin; Güzey, Ismail Cüneyt; Dahl, ML; Yue, QY; Spigset, Olav. (2006) Risk factors for extrapyramidal symptoms during treatment with selective serotonin reuptake inhibitors, including cytochrome P-450 enzyme, and serotonin and dopamine transporter and receptor polymorphisms. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Solhaug, Håvard Rein; Indermo, Hanne; Slørdal, Lars; Spigset, Olav. (2006) Skriftlig legemiddelreklame - til å stole på?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Reimers, Arne; Brodtkorb, Eylert; Helde, Grethe; Spigset, Olav. (2006) Lamotrigine Serum Concentrations Throughout the Menstrual Cycle - A Study of 2 Cases. Clinical neuropharmacology
  Vitenskapelig artikkel
• Castberg, Ingrid; Reimers, Arne; Sandvik, Pål; Aamo, Trond; Spigset, Olav. (2006) Adverse drug reactions of antidepressants and antipsychotics: Experience, knowledge and attitudes among Norwegian psychiatrists. Nordic Journal of Psychiatry
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2006) Heart failure induced by non-cardiac drugs. Drug Safety
  Vitenskapelig oversiktsartikkel
• Castberg, Ingrid; Spigset, Olav. (2006) Hyponatremi ved bruk av psykofarmaka. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Güzey, Ismail Cüneyt; Spigset, Olav. (2006) Low serum concentrations of paroxetine in CYP2D6 ultrarapid metabolizers. Journal of Clinical Psychopharmacology
  Kommentar
• Castberg, Ingrid; Spigset, Olav. (2006) Excretion of escitalopram in breast milk. Journal of Clinical Psychopharmacology
  Kommentar
• Skjervold, Berit; Bathen, Jørn; Spigset, Olav. (2006) Methadone and the QT interval - Relations to the serum concentrations of methadone and its enantiomers (R)-methadone and (S)-methadone. Journal of Clinical Psychopharmacology
  Kommentar
• Spigset, Olav; Bate, Andrew; Stahl, Malin; Hägg, Staffan. (2006) Venous thromboembolism during treatment with antipsychotics. Pharmacoepidemiology and Drug Safety
  Konferanseabstract
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2006) Pharmacokinetics of quetiapine: evidence from a routine therapeutic drug monitoring service. European Neuropsychopharmacology
  Konferanseabstract
• Nelson, Siri; Slørdal, Lars; Spigset, Olav. (2006) Forskrivning av virkestoff i stedet for preparat - på høy tid. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav. (2006) Intoksikasjon med psykofarmaka. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Espnes, Ketil Arne; Spigset, Olav; Delaveris, Gerd Jorunn Møller; Mørland, Jørg; Smith-Kielland, Anne. (2006) Bruk av hurtigtester for påvisning av rusmidler i urin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav. (2006) Farmakologiens "bibel" i ny utgave. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Bokanmeldelse

2005

• Evensen, Sigurd; Spigset, Olav; Slørdal, Lars. (2005) COX-2-hemmere - ett skritt frem og to tilbake. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Nordeng, Hedvig M Egeland; Spigset, Olav. (2005) Treatment with SSRIs in the third trimester of pregnancy: Effects on the newborn. Drug Safety
  Vitenskapelig artikkel
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) Gjelder ikke primum non nocere lenger?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Midgard, Rune; Ertesvåg, Kåre; Trondsen, Erik; Spigset, Olav. (2005) Life-treathening acute pancreatitis associated with interferon beta-1a treatment in multiple sclerosis. Neurology
  Vitenskapelig artikkel
• Reimers, Arne; Skogvoll, Eirik; Sund, J Kutschera; Spigset, Olav. (2005) Drug Interactions between Lamotrigine and Psychoactive Drugs: Evidence from a therapeutic Drug Monitoring Service. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hememre – enda et skritt tilbake. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Spigset, Olav. (2005) Legemiddelinteraksjoner og databaser. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Vanky, Eszter; Zahlsen, Kolbjørn; Spigset, Olav; Carlsen, Sven Magnus. (2005) Placental passage of metformin in women with polycystic ovary syndrome. Fertility and Sterility
  Kommentar
• Reimers, Arne; Brodtkorb, Eylert; Helde, Grethe; Spigset, Olav. (2005) Lamotrigine serum concentrations thorughout the menstrual cycle. Epilepsia
  Konferanseabstract
• Castberg, Ingrid; Berle, Jan Øystein; Spigset, Olav. (2005) Kombinasjonsbehandling med karbamazepin og quetiapin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hemmere – faglig diskusjon eller mistenkeliggjøring. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hemmere og tolking av data. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Castberg, I; Berle, Jan Øystein; Spigset, Olav. (2005) Kombinasjonsbehandling med karbamazepin og quetiapin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Kommentar
• Spigset, Olav. (2005) Legemiddelanalyser for spesielt interesserte (bokanmeldelse). Tidsskrift for Den norske legeforening (Tidsskriftet)
  Bokanmeldelse
• Nordeng, H; Spigset, Olav. (2005) Treatment with selective serotonin reuptake inhibitors in the third trimester of pregnancy - Effects on the infant. Drug Safety
  Vitenskapelig oversiktsartikkel
• Slørdal, Lars; Spigset, Olav. (2005) Grunnleggende farmakokinetikk – distribusjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Slørdal, Lars; Spigset, Olav. (2005) Grunnleggende farmakokinetikk – absorpsjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Spigset, Olav; Slørdal, Lars. (2005) Grunnleggende farmakokinetikk – eliminasjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Spigset, Olav; Slørdal, Lars. (2005) Grunnleggende farmakokinetikk – likevekt. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel
• Nordeng, Hedvig; Spigset, Olav. (2005) Treatment with selective serotonin reuptake inhibitors in the third trimester in pregnancy: effects on the infant. Drug Safety
  Vitenskapelig oversiktsartikkel
• Saltvedt, Ingvild; Spigset, Olav; Ruths, Sabine; Fayes, Peter; Kaasa, Stein; Sletvold, Olav. (2005) Patterns of drug prescription in a geriatric evaluation and management unit as compared with the general medical wards: a randomised study. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2005) Grunnlegende farmakokinetikk - absorpsjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Saltvedt, Ingvild; Spigset, Olav; Ruths, Sabine; Fayers, Peter; Kaasa, Stein; Sletvold, Olav. (2005) Patterns of drug prescription in a geriatric evaluation and management unit as compared with the general medical wards. A randomised study. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Vanky, Eszter; Zahlsen, Kolbjørn; Spigset, Olav; Carlsen, Sven Magnus. (2005) Placental passage of metformin in women with polycystic ovary syndrome. Fertility and Sterility
  Vitenskapelig artikkel

2004

• Berle, Jan Øystein; Steen, Vidar Martin; Aamo, Trond Oskar; Breilid, Harald; Zahlsen, Kollbjørn; Spigset, Olav. (2004) Breastfeeding during maternal antidepressant treatment with serotonin reuptake inhibitors: infant exposure, clinical symptoms, and cytochrome p450 genotypes. Journal of Clinical Psychiatry
  Vitenskapelig artikkel
• Helland, Arne; Slørdal, Lars; Spigset, Olav. (2004) Problem forte - er kombinasjonen paracetamol og kodein rasjonell?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Berle, Jan Øystein; Steen, Vidar M; Aamo, Trond O; Breilid, Harald; Zahlsen, Kolbjørn; Spigset, Olav. (2004) Breastfeeding during maternal antidepressant treatment with serotonin reuptake inhibitors: Infant exposure, clinical symptoms and cytochrome P450 genotypes. Journal of Clinical Psychiatry
  Vitenskapelig artikkel
• Spigset, Olav; Mjörndal, Tom; Kristoffersson, Anders. (2004) Platelet serotonin 5-HT2A receptor binding in patients with carcinoid tumor. Scandinavian Journal of Clinical and Laboratory Investigation
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav; Helland, Arne; Rygnestad, Tarjei. (2004) Ikke-opioide analgetika ved akutte smerter: Hva virker best?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Wihlbäck, Anna-Karin; Sundström-Poromaa, Inger; Bixo, Marie; Allard, Per; Mjörndal, Tom; Spigset, Olav. (2004) Influence of menstrual cycle on platelet serotonin uptake site and serotonin2A receptor binding. Psychoneuroendocrinology
  Vitenskapelig artikkel
• Hedenmalm, Karin; Samuelsson, Eva; Spigset, Olav. (2004) Pulmonary embolism associated with combined oral contraceptives: reporting incidences and potential risk factors for a fatal outcome. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel
• Rahm, Ingegerd; Spigset, Olav; Mjörndal, Tom. (2004) Dieting avd weight loss do not affect the platelet serotonin 5-HT2A receptor. European Neuropsychopharmacology
  Vitenskapelig artikkel
• Gjersvik, Petter; Spigset, Olav. (2004) Kort og godt om legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Leder
• Spigset, Olav; Hägg, Staffan. (2004) Nya antidepressiva läkemedel under graviditet och amning. Läkartidningen
  Vitenskapelig oversiktsartikkel
• Güzey, Cüneyt; Spigset, Olav. (2004) Genotyping as a tool to predict adverse drug reactions. Current Topics in Medicinal Chemistry
  Vitenskapelig oversiktsartikkel
• Furunes, Håvard; Slørdal, Lars; Spigset, Olav. (2004) Heroin - et nyttig analgetikum?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig oversiktsartikkel

2003

• Nordeng, Hedvig M Egeland; Spigset, Olav. (2003) Bruk av antipsykotika ved graviditet og amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan. (2003) Hepatic injury and pancreatitis during treatment with serotonin reuptake inhibitors. International Clinical Psychopharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan. (2003) Long-term combination treatment woth clozapine and filgrastim in patients with clozapine-induced agranulocytosis. International Clinical Psychopharmacology
  Vitenskapelig artikkel
• Berle, Jan Øystein; Spigset, Olav. (2003) Behandling av svangerskapsrelatert psykisk sykdom. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan. (2003) Olanzapine and venous thromboembolism. International Clinical Psychopharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Nordeng, Hedvig. (2003) Bruk av antipsykotika ved graviditet og amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Slørdal, Lars; Samstad, Stein; Spigset, Olav. (2003) A life-threatening interaction between lithium and celecoxib. British Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Slørdal, Lars. (2003) Selektive COX-2-hemmere - holdninger og forskrivningspraksis blant allmennpraktikere. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Slørdal, Lars. (2003) Heroin - et nyttig analgetikum?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav. (2003) Valproic acid and risperidone: A drug interaction?. Journal of the American Academy of Child and Adolescent Psychiatry
  Vitenskapelig artikkel
• Spigset, Olav. (2003) Declaration of fructose and fructose-related adverse effects in commercial drug preparations in European countries. Drug Safety
  Vitenskapelig artikkel
• Spigset, Olav; Slørdal, Lars. (2003) Hvilken informasjon gis om bivirkninger av nye legemidler?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Pleym, Hilde; Spigset, Olav. (2003) Gender differences in drug effects: implications for anesthesiologists. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel

2002

• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Tandlægebladet
  Vitenskapelig artikkel
• Spigset, Olav. (2002) Glucose intolerance with atypical antipsychotics. Drug Safety
  Vitenskapelig artikkel
• Spigset, Olav. (2002) Agranulocytosis and other blood dyscrasias associated with dipyrone (metamizole). European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav. (2002) Change from the CYP2D6 extensive metabolizer to the poor metabolizer phenotype during treatment with bupropion. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Den norske tannlegeforenings Tidende
  Vitenskapelig artikkel
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibioottien ja muiden laakkeiden yhteisvaikutukset. Suomen hammaslaakarilehti
  Vitenskapelig artikkel
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Tandläkartidningen
  Vitenskapelig artikkel
• Brodtkorb, Eylert; Spigset, Olav. (2002) Interaksjoner med antiepileptika. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel

2001

• Nordeng, Hedvig M Egeland; Zahlsen, Z.; Spigset, Olav. (2001) Clinical note Transfer of carisoprodol to breast milk. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Nordeng, Hedvig M Egeland; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan. (2001) Therapeutic approaches to bulimia nervosa. Expert Opinion on Therapeutic Patents
  Vitenskapelig artikkel
• Bixo, Marie; Allard, Per; Bäckström, Torbjörn; Mjörndal, Tom; Nyberg, Svante; Spigset, Olav; Sundström-Poromaa, Inger. (2001) Binding of [3H]paroxetine to serotnin uptake sites and of [3H]lysergic acid diethylamide to 5-HT2A receptors in platelets from women with premenstrual dysphoric disorder during gonadotropin releasing hormone treatment. Psychoneuroendocrinology
  Vitenskapelig artikkel
• Nordeng, Hedvig; Bergsholm, Yngvild K; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Molaug, Per Ole; Spigset, Olav. (2001) Ett års skriftlig legemiddelinformasjon til en kommunelege. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav. (2001) Cytokrom P-450-systemet. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Wihlbäck, Anna-Carin; Sundström-Poromaa, Inger; Allard, Per; Mjörndal, Tom; Spigset, Olav; Bäckström, Torbjörn. (2001) Influence of postmenopausal hormone replacement therapy on platelet serotonin uptake site and serotonin-2A receptor binding. Obstetrics and Gynecology
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2001) NSAID-preparater til utvortes bruk - virker de, og bør de brukes?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Öström, Mats; Eriksson, Anders. (2001) Death resulting form asthma associated with sertraline "overdose". American Journal of Forensic Medicine and Pathology
  Vitenskapelig artikkel
• Spigset, Olav. (2001) DHEA - veien til evig ungdom?. Utposten
  Vitenskapelig artikkel
• Hägg, Staffan; Spigset, Olav; Dahlqvist, Rune. (2001) Influence of gender and oral contraceptives on CYP2D6 and CYP2C19 activity in healthy volunteers. British Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Nordeng, Hedvig; Zahlsen, Kolbjørn; Spigset, Olav. (2001) Transfer of carisoprodol to breast milk. Therapeutic Drug Monitoring
  Vitenskapelig artikkel
• Hägg, Staffan; Spigset, Olav; Bate, Andrew; Söderström, Torbjörn G. (2001) Myocarditis related to clozapine treatment. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Buajordet, Marit; Spigset, Olav; Steinsvåg, Sverre K. (2001) Medikamentell rhinitt - viktig bivirkning. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav. (2001) Farmakologiske effekter av koffein. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Slørdal, Lars. (2001) Reduserer statiner risikoen for oseoporose?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Axelsson, Sara; Norström, Åke; Hägg, Staffan; Dahlqvist, Rune. (2001) The major fluvoxamine metabolite in urine is formed by CYP2D6. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav. (2001) Invited comment to the article by Hori et al: Increased libido in a woman treated with fluvboxamine: a case report. Acta Psychiatrica Scandinavica
  Vitenskapelig artikkel
• Hägg, Staffan; Spigset, Olav; Lakso, Hans-Åke; Dahlqvist, Rune. (2001) Olanxapine disposition in humans is unrelated to CYP1A2 and CYP2D6 dispositions. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Viktil, Kirsten Kilvik. (2001) Etterlevelse av legemiddelbruk.
  Vitenskapelig kapittel
• Haux, Johan; Klepp, Olbjørn; Spigset, Olav; Tretli, Steinar. (2001) Digitoxin medication and cancer; case control and intenal dose-response studies. BMC Cancer
  Vitenskapelig artikkel
• Nordeng, Hedvig M Egeland; Bergsholm, Y. K.; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel

2000

• Berle, Jan Øystein; Spigset, Olav. (2000) Antidepressiva ved graviditet og amming. H Lundbeck AS
  Faglig monografi
• Spigset, Olav; Hägg, Staffan; Stegmayr, Bernd; Dahlqvist, Rune. (2000) Citalopram pharmacokinetics in patients with chronic renal failure and the effect of haemodialysis. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan. (2000) Analgesics and breast-feeding. Pediatric Drugs
  Vitenskapelig artikkel
• Hägg, Sattfan; Spigset, Olav. (2000) Anticonvulsant use during lactation. Drug Safety
  Vitenskapelig artikkel
• Gulbrandsen, Pål; Spigset, Olav. (2000) Legemidler i praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav. (2000) Vektøkning som legemiddelbivirkning. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav; Wilhelmsson, Christer; Mjörndal, Tom; Eriksson, Sture. (2000) Low serum sodium concentrations during treatment with citalopram in elderly patients: Relationship to serum citalopram levels and to platelet 5-HT2A receptor status. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Bathen, Jørn; Spigset, Olav. (2000) Lang QT-tid som bivirkning - risiko for fatale arytmier. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Spigset, Olav. (2000) Naturlegemidlet johannesurt gir alvorlige interaksjoner med en rekke legemidler. Utposten
  Vitenskapelig artikkel
• Spigset, Olav. (2000) Fra konfeksjon til skreddersøm - fretidige muligheter for individuelt tilpasset legemiddelbehandling. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Sundgren, Margit; Hedenmalm, Karin; Spigset, Olav. (2000) Confirmation of urinary benzodiazepines using solid-phase extraction and GC/MS. Analytical Pharmacology
  Vitenskapelig artikkel
• Güzey, Cüneyt; Aamo, Trond; Spigset, Olav. (2000) Risperidone metabolism and the impact of being a cytochrome P450 2D6 ultrarapid metabolizer. Journal of Clinical Psychiatry
  Vitenskapelig artikkel
• Hägg, Staffan; Spigset, Olav; Söderström, Torbjörn G. (2000) Association of venous thromboembolism and clozapine. The Lancet
  Vitenskapelig artikkel
• Rygnestad, Tarjei; Spigset, Olav. (2000) Bruk av paracetamol til voksne. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Hägg, Staffan; Spigset, Olav; Mörndal, Tom; Dahlqvist, Rune. (2000) Effect of caffeine on clozapine pharmacokinetics in healthy volunteers. British Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav. (2000) Valg av analgetikum til ammende kvinner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Slørdal, Lars; Spigset, Olav. (2000) Hypertensjon og hjertesvikt forårsaket av NSAID-preparater: Bivirkning av betydning?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel

1999

• Spigset, Olav. (1999) Adverse reactions of selective serotonin reuptake inhibitors. Drug Safety
  Vitenskapelig artikkel
• Öhman, Robert; Hägg, Staffan; Carleborg, Lena; Spigset, Olav. (1999) Excretion of paroxetine into breast milk. Journal of Clinical Psychiatry
  Vitenskapelig artikkel
• Spigset, Olav; Mjörndal, Tom. (1999) Increased glucose intolerance related to digoxin treatment in patients with type 2 diabetes mellitus. Journal of Internal Medicine
  Vitenskapelig artikkel
• Sundström, Inger; Spigset, Olav; Andresson, A; Appelblad, Patrick; Bäckström, Torbjörn. (1999) Lack of influence of menstrual cycle and premenstrual syndrome diagnosis on pregnanolone pharmacokinetics. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Hägg, Staffan; Spigset, Olav; Mjörndal, Tom; Granberg, Kerstin; Persbo-Lundqvist, Gunnel; Dahlqvist, Rune. (1999) Absence of interaction between erythromycin and a single dose of clozapine. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan; Söderström, Emma; Dahlqvist, Rune. (1999) The paraxanthine/caffeine ratio in serum or in saliva as a measure of CYP1A2 activity: When should the sample be obtained?. Pharmacogenetics (London)
  Vitenskapelig artikkel
• Spigset, Olav; Mårtensson, Björn. (1999) Drug treatment of depression. BMJ. British Medical Journal
  Vitenskapelig artikkel
• Hägg, Satffan; Spigset, Olav; Edwardsson, Håkan; Björk, Henrik. (1999) Prologned sedation and slowly decreasing clozapine serum concentrations after an overdose. Journal of Clinical Psychopharmacology
  Vitenskapelig artikkel
• Mårtensson, Björn; Spigset, Olav. (1999) Drug treatment of depression. Western Journal of Medicine
  Vitenskapelig artikkel
• Sigurdh, Jeanette; Spigset, Olav; Allard, Per; Mjörndal, Tom; Hägglöf, Bruno. (1999) Binding of [3H]lysergic acid diethylamide to serotonin 5-HT2A receptors and of [3H]paroxetine to serotonin uptake sites in platelets from healthy children, adolescents and adults. Neuropsychobiology
  Vitenskapelig artikkel
• Spigset, Olav. (1999) Invited comment to "A puzzling case of seizures and visual hallucinations during clomipramine treatment with a high dose but causing a low serum concenatrtion". Acta Psychiatrica Scandinavica
  Vitenskapelig artikkel
• Pleym, Hilde; Bathen, Jørn; Spigset, Olav; Gisvold, Sven Erik. (1999) Ventricular fibrillation related to reversal of the neuromuscular blockade in a patient with long QT syndrome. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Norlen, Maria; Norström, Åke; Spigset, Olav; Allard, Per. (1999) [3H]GBR binding in platelets from poor and extensive cytochrome P-4502D6 metabolizers. European Journal of Pharmacology
  Vitenskapelig artikkel
• Pleym, Hilde; Bathen, J; Spigset, Olav; Gisvold, Sven Erik. (1999) Ventricular fibrillation related to reversal of the neuromuscular blockade in a patient with long QT syndrome. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan; Söderström, Emma; Dahlqvist, Rune. (1999) Lack of correlation between fluvoxamine clearance and CYP1A2 activity as measured by systemic caffeine clearance. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel

1998

• Spigset, Olav. (1998) Hyponatrem biverkning av seretoninupptagshämmare. Läkartidningen
  Vitenskapelig artikkel
• Spigset, Olav; Hägg, Staffan. (1998) Excretion of psychotropic drugs into breast milk. CNS Drugs
  Vitenskapelig artikkel
• Spigset, Olav. (1998) Are adverse drug reactions attributed to fluvoxamine caused by concomitant intake of caffeine?. European Journal of Clinical Pharmacology
  Vitenskapelig artikkel
• Spigset, Olav. (1998) Kan man stole på legemiddelreklamen?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel

1996

• Nordeng, Hedvig M Egeland; Spigset, Olav. (1996) Hormonell (endokrin) behandling av brystkreft.
  Vitenskapelig kapittel