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Published in: Trials 1/2023

Open Access 01-12-2023 | Study protocol

The effect of a multi-component behavior change technique intervention on medication adherence among individuals on primary prevention statin therapy: a dose-finding protocol

Authors: Mark J. Butler, Anne-Marie N. Romain, Rumisha Augustin, Patrick Robles, Ciaran P. Friel, Thevaa Chandereng, Jerry M. Suls, Elizabeth A. Vrany, Frank Vicari, Ying Kuen Cheung, Karina W. Davidson

Published in: Trials | Issue 1/2023

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Abstract

Background

In the USA, the primary cause of death and morbidity continues to be cardiovascular disease (CVD). Numerous trials have shown that statin medication reduces the likelihood of CVD events; it is a cornerstone of CVD prevention. However, studies have also indicated that up to 60% of the estimated 26.8 million Americans prescribed primary prevention statin treatment are nonadherent during the first year. Multi-component behavioral change technique (BCT) therapies have shown moderate promise in improving medication adherence as well as other positive health behaviors (such as physical activity). However, no research has looked at the duration of multi-component BCT intervention needed to result in a clinically significant improvement in statin adherence behaviors. This study aims to determine the necessary dose of a multi-component BCT intervention (defined as duration in weeks) to promote adherence to statin medication among those on primary prevention statin treatment by utilizing the modified time-to-event continuous reassessment method (TiTE-CRM).

Methods and design

The study will utilize the modified TiTE-CRM in 42 participants, recruited in 14 cohorts of 3 participants each. The goal of this analysis is to identify the minimum effective dose (MED) of a multi-behavior change technique (BCT) intervention required to increase adherence to statins by 20% between baseline and follow-up periods. Using the TiTE-CRM method, the dose of the behavior intervention in weeks will be assigned to each cohort based on the performance of the prior cohort. At the end of the study, the intervention dose that has been found to be associated with a 20% increase in statin adherence among 80% of participants assigned to that dose will be identified as the MED.

Discussion

If successful, the current trial will provide additional guidance to researchers and clinicians seeking to increase statin medication adherence using a BCT intervention by identifying the dose (i.e., the duration) of an intervention required to meaningfully increase adherence.

Trial registration

ClinicalTrials.gov NCT05273736. Registered on March 10, 2022. https://​www.​clinicaltrials.​gov/​ct2/​show/​NCT05273736
Appendix
Available only for authorised users
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Metadata
Title
The effect of a multi-component behavior change technique intervention on medication adherence among individuals on primary prevention statin therapy: a dose-finding protocol
Authors
Mark J. Butler
Anne-Marie N. Romain
Rumisha Augustin
Patrick Robles
Ciaran P. Friel
Thevaa Chandereng
Jerry M. Suls
Elizabeth A. Vrany
Frank Vicari
Ying Kuen Cheung
Karina W. Davidson
Publication date
01-12-2023
Publisher
BioMed Central
Published in
Trials / Issue 1/2023
Electronic ISSN: 1745-6215
DOI
https://doi.org/10.1186/s13063-023-07549-w

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