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Real-world adherence, persistence, and in-class switching during use of dipeptidyl peptidase-4 inhibitors: a systematic review and meta-analysis involving 594,138 patients with type 2 diabetes.

Abstract：

AIMS:Medication adherence and persistence are important determinants of treatment success in type 2 diabetes mellitus (T2DM). This systematic review and meta-analysis evaluated the real-world adherence, persistence, and in-class switching among patients with T2DM prescribed dipeptidyl peptidase-4 (DPP4) inhibitors. METHODS:MEDLINE, EMBASE, Cochrane Library, PsychINFO, and CINAHL were searched for relevant observational studies published in the English language up to 20 December 2019. This was supplemented by manual screening of the references of included papers. Random-effects meta-analysis was performed. RESULTS:Thirty-four cohort studies involving 594,138 patients with T2DM prescribed DPP4 inhibitors from ten countries were included. The pooled proportion adherent (proportion of days covered (PDC) or medication possession ratio (MPR) ≥ 0.80) was 56.9% (95% confidence interval [CI] 49.3-64.4) at one year and 44.2% (95% CI 36.4-52.1) at two years. The proportion persistent with treatment decreased from 75.6% (95% CI 71.5-79.5) at six months to 52.8% (95% CI 51.6-59.8) at two years. No significant differences in adherence and persistence were observed between individual DPP4 inhibitors. At one year, just 3.2% (95% CI 3.1-3.3) of patients switched from one DPP4 inhibitor to another. Switching from saxagliptin and alogliptin to others was commonest. CONCLUSIONS:Adherence to and persistence with DPP4 inhibitors is suboptimal but similar across all medications within the class. While in-class switching is uncommon, saxagliptin and alogliptin are the DPP4 inhibitors most commonly switched. Interventions to improve treatment adherence and persistence among patients with T2DM prescribed DPP4 inhibitors may be warranted.

journal_name

Acta Diabetol

journal_title

Acta diabetologica

authors

Ogundipe O,Mazidi M,Chin KL,Gor D,McGovern A,Sahle BW,Jermendy G,Korhonen MJ,Appiah B,Ademi Z,De Bruin ML,Liew D,Ofori-Asenso R

doi

10.1007/s00592-020-01590-w

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

39-46

issue

eissn

0940-5429

issn

1432-5233

pii

10.1007/s00592-020-01590-w

journal_volume

pub_type

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Real-world adherence, persistence, and in-class switching during use of dipeptidyl peptidase-4 inhibitors: a systematic review and meta-analysis involving 594,138 patients with type 2 diabetes.