Impact of Muscarinic M3 Receptor Antagonism on the Risk of Type 2 Diabetes in Antidepressant-Treated Patients: A Case-Controlled Study

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Background M-3 muscarinic receptor antagonism has been associated with glucose intolerance and disturbance of insulin secretion.

Objective Our objective was to examine the risk of type 2 diabetes mellitus (T2DM) in patients using antidepressants with and without M-3 muscarinic receptor antagonism (AD_ antaM(3) and AD_nonantaM(3), respectively).

Methods We designed a case-control study using a pharmacy prescription database. We selected a cohort of patients who initiated antidepressant use between the ages of 20 and 40 years and who did not receive any anti-diabetic prescriptions at baseline. Cases were defined as those who developed T2DM [i.e., receiving oral anti-diabetic medication, Anatomical Therapeutic Chemical (ATC) code A10B] during the follow-up period (1994-2014), and ten random controls were picked for each case from the cohort of patients who did not develop T2DM.

Results A total of 530 cases with incident T2DM and 5300 controls were included. Compared with no use of antidepressants during the previous 2 years, recent (within the last 6 months) exposure to AD_antaM(3) was associated with a moderately increased risk of T2DM: adjusted odds ratio 1.55 (95% confidence interval 1.18-2.02). In the stratified analyses, this association was dose dependent (>365 defined daily doses) and significant for patients who were in the younger age group (

Conclusion Our results suggest that exposure to AD_antaM(3) was associated with the development of T2DM among antidepressant users.

Originele taal-2English
Pagina's (van-tot)483-493
Aantal pagina's11
TijdschriftCns Drugs
Nummer van het tijdschrift6
Vroegere onlinedatum19-mei-2017
StatusPublished - jun-2017

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