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Persistence and adherence to rivastigmine in patients with dementia: Results from a noninterventional, retrospective study using the National Health Insurance research database of Taiwan.


ABSTRACT:

Introduction

The objective of the study was to assess adherence and persistence of patients treated with rivastigmine versus donepezil.

Methods

Persistence was calculated as the time from the first prescription date of rivastigmine/donepezil until discontinuation/medication switch/end of available data, whichever occurred first. Adherence was calculated as proportion of days covered and medication possession ratio.

Results

A majority of patients persisted on 4.5 and 6 mg of rivastigmine for 429 and 468 days, respectively, versus 443 and 441 days for patients receiving 5 and 10 mg of donepezil daily, respectively. Patients who initially received 1.5 mg of oral rivastigmine required a shorter time to reach a stable dose compared with those who initiated treatment at a higher dose of rivastigmine. Patients at a stable dose of 4.5 or 6 mg of rivastigmine were observed to persist longer than those at a lower dose of rivastigmine and donepezil.

Discussion

Although results indicate significant difference in persistence between rivastigmine and donepezil groups, clinical significance remains undetermined.

SUBMITTER: Chang CJ 

PROVIDER: S-EPMC6360604 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Publications

Persistence and adherence to rivastigmine in patients with dementia: Results from a noninterventional, retrospective study using the National Health Insurance research database of Taiwan.

Chang Chee-Jen CJ   Chou Tse-Chih TC   Chang Chiung-Chih CC   Chen Ta-Fu TF   Hu Chaur-Jong CJ   Fuh Jong-Ling JL   Wang Wenfu W   Chen Chiung-Mei CM   Hsu Winco W   Huang Chin-Chang CC  

Alzheimer's & dementia (New York, N. Y.) 20180717


<h4>Introduction</h4>The objective of the study was to assess adherence and persistence of patients treated with rivastigmine versus donepezil.<h4>Methods</h4>Persistence was calculated as the time from the first prescription date of rivastigmine/donepezil until discontinuation/medication switch/end of available data, whichever occurred first. Adherence was calculated as proportion of days covered and medication possession ratio.<h4>Results</h4>A majority of patients persisted on 4.5 and 6 mg of  ...[more]

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