Effect of CYP2C19 polymorphisms on antidepressant prescription patterns and treatment emergent mania in bipolar disorder

Antidepressant medication is used extensively to treat bipolar depression despite uncertain efficacy. The cytochrome P450 (CYP) 2C19 enzyme metabolize several antidepressants, and polymorphisms in the corresponding gene CYP2C19 influence plasma concentration and hence treatment outcomes in major dep...

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Veröffentlicht in:The pharmacogenomics journal 2023-01, Vol.23 (1), p.28-35
Hauptverfasser: Joas, Erik, Jonsson, Lina, Viktorin, Alexander, Smedler, Erik, Pålsson, Erik, Goodwin, Guy M., Landén, Mikael
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container_issue 1
container_start_page 28
container_title The pharmacogenomics journal
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creator Joas, Erik
Jonsson, Lina
Viktorin, Alexander
Smedler, Erik
Pålsson, Erik
Goodwin, Guy M.
Landén, Mikael
description Antidepressant medication is used extensively to treat bipolar depression despite uncertain efficacy. The cytochrome P450 (CYP) 2C19 enzyme metabolize several antidepressants, and polymorphisms in the corresponding gene CYP2C19 influence plasma concentration and hence treatment outcomes in major depressive disorder. Here, we investigate if CYP2C19 polymorphisms are associated with antidepressant treatment patterns and the risk of mania when antidepressants are used in bipolar disorder. Two single nucleotide polymorphisms (rs4244285 and rs12248560) were used to classify 5019 bipolar disorder patients into CYP2C19 metabolic phenotypes ranging from poor to ultra-rapid metabolizers. We used Swedish national registry data 2005–2017 on dispensed medications and inpatient care to estimate risks for early-treatment persistence, treatment discontinuation, switching to a new antidepressant medication, and mania within 3 months of treatment initiation in patients treated with citalopram, escitalopram, sertraline, amitriptyline, and clomipramine. Metabolic phenotypes of CYP2C19 were not robustly associated with the investigated treatment outcomes based on dispense patterns. Slower metabolism was associated with an increased risk of treatment emergent mania for sertraline (hazard ratio [HR] = 1.3, 95% CI = 1.04–1.62, p  = 0.02) and the tricyclic antidepressants amitriptyline and clomipramine (HR = 1.46, 95% CI = 1.05–2.02, p  = 0.024). In a large study of the impact of CYP2C19 metabolic phenotypes on antidepressant treatment of bipolar depression, we found an association between slower CYP2C19 metabolism and higher risk of treatment emergent mania, which is a step towards personalized risk assessments. There were, however, no clear associations with early treatment persistence, treatment discontinuation, and switching to a new antidepressant.
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Metabolic phenotypes of CYP2C19 were not robustly associated with the investigated treatment outcomes based on dispense patterns. Slower metabolism was associated with an increased risk of treatment emergent mania for sertraline (hazard ratio [HR] = 1.3, 95% CI = 1.04–1.62, p  = 0.02) and the tricyclic antidepressants amitriptyline and clomipramine (HR = 1.46, 95% CI = 1.05–2.02, p  = 0.024). In a large study of the impact of CYP2C19 metabolic phenotypes on antidepressant treatment of bipolar depression, we found an association between slower CYP2C19 metabolism and higher risk of treatment emergent mania, which is a step towards personalized risk assessments. 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subjects 45/23
692/308/2056
692/308/409
Affective disorders
Amitriptyline
Amitriptyline - therapeutic use
Antidepressants
Antidepressive Agents - adverse effects
Biomedical and Life Sciences
Biomedicine
Bipolar disorder
Bipolar Disorder - drug therapy
Bipolar Disorder - genetics
Citalopram
Clinical outcomes
Clomipramine
Clomipramine - therapeutic use
Cytochrome P-450 CYP2C19 - genetics
Cytochrome P-450 Enzyme System - genetics
Cytochrome P450
Depressive Disorder, Major - drug therapy
Gene Expression
Human Genetics
Humans
Mania - chemically induced
Mania - drug therapy
Medical Genetics
Medicinsk genetik
Mental depression
Metabolism
Oncology
Pharmacotherapy
Phenotypes
Polymorphism, Single Nucleotide - genetics
Psychiatry
Psychopharmacology
Psykiatri
Sertraline
Single-nucleotide polymorphism
Tricyclic antidepressants
title Effect of CYP2C19 polymorphisms on antidepressant prescription patterns and treatment emergent mania in bipolar disorder
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