Concomitant use of anti-dementia drugs with psychotropic drugs in Norway--a population-based study.

Abstract:

PURPOSE:Concomitant use of anti-dementia drugs with psychotropic drugs is potentially problematic in patients with dementia. The aim of this study was to investigate how frequently patients in Norway use anti-dementia drugs concomitantly with psychotropic drugs. METHODS:Analyses are based on data from the Norwegian Prescription Database. All patients who had an anti-dementia drug (ATC-code N06D) dispensed from a Norwegian pharmacy between January 2004 and July 2009 were included. RESULTS:A total of 33,816 individuals received anti-dementia drugs at some time during this period. The total concomitant use of anti-dementia drugs with psychotropic drugs was 57.4% in men and 65.8% in women. Compared with men, a significantly higher percentage of women used antidepressants (35.8% versus 27.2%), mild hypnotics (28.8% versus 23.6%), benzodiazepines (25.4% versus 20.8%) and opioids (22.8% versus 17.4%) concomitantly with anti-dementia drugs. Concomitant use of antipsychotics with anti-dementia drugs was about 16% for both male and female patients. Of the total sample, 11.9% of the women and 11.7% of the men used acetylcholinesterase inhibitor (AChEI) anti-dementia drugs concomitantly with an interacting psychotropic drug. CONCLUSION:The concomitant use of psychotropic drugs with anti-dementia drugs was extensive, especially among women. Co-medication with potentially interacting drugs occurred at a rate of one in 10. The concomitant use of anti-dementia drugs with psychotropic drugs identified in this study may inform the ongoing clinical debate about drug use in this patient group.

authors

Langballe EM,Engdahl B,Selbaek G,Nordeng H

doi

10.1002/pds.2211

subject

Has Abstract

pub_date

2011-12-01 00:00:00

pages

1319-26

issue

12

eissn

1053-8569

issn

1099-1557

journal_volume

20

pub_type

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