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
{"title":"Medication adherence to CFTR modulators in patients with cystic fibrosis: a systematic review.","authors":"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","doi":"10.1183/16000617.0060-2024","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>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.</p><p><strong>Methods: </strong>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.</p><p><strong>Results: </strong>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% <i>via</i> electronic monitoring and 100% <i>via</i> self-report. Age <18 years appeared to be associated with good adherence, as was a higher lung function.</p><p><strong>Conclusions: </strong>Despite the wide variety of adherence methods used, adherence to CFTR modulators is suboptimal, based on objective measures such as pharmacy refill data or electronic monitoring. CFTR modulator adherence measurement and definitions requires more standardisation with a preference for objective and granular methods.</p>","PeriodicalId":12166,"journal":{"name":"European Respiratory Review","volume":"33 173","pages":""},"PeriodicalIF":9.0000,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11322823/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Respiratory Review","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1183/16000617.0060-2024","RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/7/1 0:00:00","PubModel":"Print","JCR":"Q1","JCRName":"RESPIRATORY SYSTEM","Score":null,"Total":0}
引用次数: 0
Abstract
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 <18 years appeared to be associated with good adherence, as was a higher lung function.
Conclusions: Despite the wide variety of adherence methods used, adherence to CFTR modulators is suboptimal, based on objective measures such as pharmacy refill data or electronic monitoring. CFTR modulator adherence measurement and definitions requires more standardisation with a preference for objective and granular methods.
期刊介绍：
The European Respiratory Review (ERR) is an open-access journal published by the European Respiratory Society (ERS), serving as a vital resource for respiratory professionals by delivering updates on medicine, science, and surgery in the field. ERR features state-of-the-art review articles, editorials, correspondence, and summaries of recent research findings and studies covering a wide range of topics including COPD, asthma, pulmonary hypertension, interstitial lung disease, lung cancer, tuberculosis, and pulmonary infections. Articles are published continuously and compiled into quarterly issues within a single annual volume.
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