Lauri A Linder1,2,3, Yelena P Wu3,4, Catherine Fiona Macpherson5, Brynn Fowler6, Andrew Wilson1,7,8, Yeonjung Jo1, Se-Hee Jung1, Bridget Parsons3, Rebecca Johnson9. 1. 1 College of Nursing, University of Utah , Salt Lake City, Utah. 2. 2 Cancer Blood and Transplant Service, Primary Children's Hospital , Salt Lake City, Utah. 3. 3 Cancer Control and Population Sciences, Huntsman Cancer Institute, University of Utah , Salt Lake City, Utah. 4. 4 Department of Dermatology, University of Utah , Salt Lake City, Utah. 5. 5 Seattle Children's Hospital , Seattle, Washington. 6. 6 Comer Children's Hospital, University of Chicago , Chicago, Illinois. 7. 7 Department of Family & Preventive Medicine, University of Utah , Salt Lake City, Utah. 8. 8 Real World Data Services, PAREXEL International Corporation , Waltham, Massachusetts. 9. 9 Multicare Health System, Mary Bridge Children's Hospital , Tacoma, Washington.
Abstract
PURPOSE: This study evaluated oral medication adherence among adolescents and young adults (AYAs) with cancer during a trial of a smartphone-based medication reminder application (app). METHODS: Twenty-three AYAs receiving at least one prescribed, scheduled oral medication related to their outpatient cancer treatment participated in this 12-week single-group interrupted time series longitudinal design study. Baseline oral medication adherence was monitored using electronic monitoring caps for 4 weeks. Participants then used a medication reminder app and continued to have their oral medication adherence monitored for 8 weeks. Participants completed an electronically administered weekly survey addressing perceived adherence and reasons for nonadherence. RESULTS: Four adherence phenotypes were identified using visual graphical analysis of individual participants' weekly adherence: (1) high adherence during the preintervention and intervention periods (n = 13), (2) low preintervention adherence and improved adherence during the intervention period (n = 3), (3) low adherence during both periods (n = 6), and (4) high preintervention adherence and low adherence during the intervention period (n = 1). Growth curve models did not show significant changes in adherence by preintervention versus intervention trajectories (p > 0.05); however, the variance in adherence during the intervention narrowed for more highly adherent AYAs. "Forgetfulness" was the most frequently reported reason for nonadherence. CONCLUSION: Although overall adherence did not improve following use of the app, the variance decreased for more highly adherent participants. Additional or alternative interventions are needed for AYAs with persistently poor adherence. Assessment of adherence patterns may support individualized recommendation of tailored interventions.
PURPOSE: This study evaluated oral medication adherence among adolescents and young adults (AYAs) with cancer during a trial of a smartphone-based medication reminder application (app). METHODS: Twenty-three AYAs receiving at least one prescribed, scheduled oral medication related to their outpatientcancer treatment participated in this 12-week single-group interrupted time series longitudinal design study. Baseline oral medication adherence was monitored using electronic monitoring caps for 4 weeks. Participants then used a medication reminder app and continued to have their oral medication adherence monitored for 8 weeks. Participants completed an electronically administered weekly survey addressing perceived adherence and reasons for nonadherence. RESULTS: Four adherence phenotypes were identified using visual graphical analysis of individual participants' weekly adherence: (1) high adherence during the preintervention and intervention periods (n = 13), (2) low preintervention adherence and improved adherence during the intervention period (n = 3), (3) low adherence during both periods (n = 6), and (4) high preintervention adherence and low adherence during the intervention period (n = 1). Growth curve models did not show significant changes in adherence by preintervention versus intervention trajectories (p > 0.05); however, the variance in adherence during the intervention narrowed for more highly adherent AYAs. "Forgetfulness" was the most frequently reported reason for nonadherence. CONCLUSION: Although overall adherence did not improve following use of the app, the variance decreased for more highly adherent participants. Additional or alternative interventions are needed for AYAs with persistently poor adherence. Assessment of adherence patterns may support individualized recommendation of tailored interventions.
Entities:
Keywords:
adherence; intervention; mobile technology; oral medications; technology
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