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Effects of dose titration on adherence and treatment duration of pregabalin among patients with neuropathic pain: A MarketScan database study. | LitMetric

Effects of dose titration on adherence and treatment duration of pregabalin among patients with neuropathic pain: A MarketScan database study.

PLoS One

Department of Health Economics and Outcomes Research, Pfizer Inc, New York, NY, United States of America.

Published: April 2021

AI Article Synopsis

Article Abstract

Objective: To examine pregabalin dose titration and its impact on treatment adherence and duration in patients with neuropathic pain (NeP).

Methods: MarketScan database (2009-2014) was used to extract a cohort of incident adult pregabalin users with NeP who had at least 12 months of follow-up data. Any dose augmentation within 45 days following the first pregabalin claim was defined as dose titration. Adherence (measured by medication possession ratio/MPR) and persistence (measured as the duration of continuous treatment) were compared between the cohorts with and without dose titration. Logistic regressions and Cox proportional hazards models were used to identify the factors associated with adherence (MPR ≥ 0.8) and predictors of time to discontinuation.

Results: Among the 5,186 patients in the analysis, only 18% of patients had dose titration. Patients who had dose titration were approximately 2.6 times as likely to be adherent (MPR ≥ 0.8) (odds ratio = 2.59, P < 0.001) than those who did not have dose titration. Kaplan-Meier analysis shows that the time to discontinuation or switch was significantly longer among patients who had dose titration (4.99 vs. 4.04 months, P = 0.009).

Conclusions: Dose titration was associated with improved treatment adherence and persistence among NeP patients receiving pregabalin. The findings will provide valuable evidence to increase physician awareness of dose recommendations in the prescribing information and to educate patients on the importance of titration and adherence.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7816971PMC
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0242467PLOS

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