Medication adherence to CFTR modulators in patients with cystic fibrosis: a systematic review

Autor: Carina M.E. Hansen, Anna J. Breukelman, Patricia M.L.A. van den Bemt, Annelies M. Zwitserloot, Liset van Dijk, Job F.M. van Boven
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: European Respiratory Review, Vol 33, Iss 173 (2024)
Druh dokumentu: article
ISSN: 0905-9180
1600-0617
16000617
DOI: 10.1183/16000617.0060-2024
Popis: Background In the last decade, a fundamental shift in the treatment of cystic fibrosis (CF) took place due to the introduction of CF transmembrane conductance regulator (CFTR) modulators. Adequate medication adherence is a prerequisite for their effectiveness, but little is known about adherence to CFTR modulators. We aimed to assess the extent of medication adherence to CFTR modulators in patients with CF and assess which characteristics are associated with adherence. Methods A systematic review following PRISMA guidelines was performed. Studies needed to report adherence to CFTR modulators. Main outcomes were: 1) level of medication adherence and 2) associations of demographic and/or clinical characteristics with adherence. Results In total, 4082 articles were screened and 21 full-text papers were assessed for eligibility. Ultimately, seven studies were included. Most studies were retrospective and focused on adherence to ivacaftor or lumacaftor–ivacaftor with only one focusing on elexacaftor–tezacaftor–ivacaftor. The majority used pharmacy refill data with adherence determined with the proportion of days covered (PDC) or the medication possession ratio (MPR). One study additionally used electronic monitoring and patient self-reported adherence. Adherence was 0.62–0.99 based on pharmacy data (PDC or MPR), 61% via electronic monitoring and 100% via self-report. Age
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