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Adherence During Antiviral Treatment Regimens for Chronic Hepatitis C A Qualitative Study of Patient-reported Facilitators and Barriers
Evon, D. M., Golin, C. E., Bonner, J. E., Grodensky, C., & Velloza, J. (2015). Adherence During Antiviral Treatment Regimens for Chronic Hepatitis C A Qualitative Study of Patient-reported Facilitators and Barriers. Journal of Clinical Gastroenterology, 49(5), E41-E50. https://doi.org/10.1097/MCG.0000000000000151
Goals: To understand patients' perceptions of factors which facilitate and hinder adherence to inform adherence-enhancing interventions.Background: Adherence to antiviral therapy for hepatitis C viral infection is critical to achieving a sustained virological response. However, persistence with and adherence to antiviral regimens can pose challenges for patients that interfere with sustained virological response.Study: A qualitative analysis of 21 semistructured patient interviews using open-ended questions and specific follow-up probes was conducted. Interviews were audio-recorded, transcribed, and content- analyzed iteratively to determine frequent and salient themes.Results: Three broad themes emerged: (1) missing doses and dose-timing errors; (2) facilitators of adherence; and (3) barriers to adherence. Open-ended questioning revealed few dose-timing deviations, but more specific probes uncovered several more occurrences of delays in dosing. Facilitators of adherence fell into 2 broad categories: (a) patient knowledge and motivation; and (b) practical behavioral strategies and routines. Facilitators were noted post hoc to be consistent with the Information-Motivation-Behavioral Skills Model of Adherence. Barriers to adherence involved changes in daily routine, being preoccupied with family or work responsibilities, and sleeping through dosing times. A few patients reported skipping doses due to side effects. Patients with previous hepatitis C virus treatment experience may have fewer dose-timing errors. Finally, a high level of anxiety among some patients was discovered regarding dosing errors. Emotional and informational support from clinical and research staff was key to assuaging patient fears.Conclusion: This qualitative study improves our understanding of patients' perspectives regarding adhering to hepatitis C treatment and can lead to the development of adherence-enhancing interventions.
