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Selected Works of David Bangsberg
Article
Understanding Adherence to Daily and Intermittent Regimens of Oral HIV Pre-exposure Prophylaxis Among Men Who Have Sex with Men in Kenya
AIDS and Behavior
  • Peter Mwangi Mugo, Kenya Medical Research Institute
  • Eduard J. Sanders, University of Oxford
  • Gaudensia Mutua, University of Nairobi
  • Elisabeth van der Elst, Kenya Medical Research Institute
  • Omu Anzala, University of Nairobi
  • Burc Barin, EMMES Corporation
  • David Bangsberg, Portland State University
  • Frances H. Priddy, International AIDS Vaccine Initiative
  • Jessica E. Haberer, Massachusetts General Hospital
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Document Type
Article
Publication Date
11-1-2014
Subjects
  • HIV infections -- Kenya -- Treatment,
  • AIDS (Disease) -- Kenya -- Treatment,
  • HIV-positive gay men -- Kenya -- Behavior -- Qualitative studies
Disciplines
Physical Description
8 pages
Abstract

A qualitative assessment of Kenyan men who have sex with men taking daily and intermittent oral HIV preexposure prophylaxis (PrEP) found stigma, sex work, mobility, and alcohol impacted adherence. We analyzed quantitative data from the same cohort to explore different definitions of intermittent adherence. Volunteers were randomized to daily emtricitabine/tenofovir or placebo, or intermittent (prescription: Mondays/Fridays/after sex, maximum1 dose/day)emtricitabine/tenofovir or placebo (2:1:2:1), and followed for 4 months. By electronic monitoring, median adherence for daily dosing was 80 %. Median adherence for intermittent dosing was 71 % per a ‘‘relaxed’’ definition (accounting for off-prescription dosing) and 40 % per a ‘‘strict’’ definition (limited to the prescription). Factors associated with lower adherence included travel, transactional sex, and longer follow-up; higher adherence was associated with daily dosing and an income. The definition of intermittent dosing strongly affects interpretation of adherence. These findings suggest interventions should address challenges of mobility, sex work, and long-term PrEP.

Description

At the time of writing, David Bangsberg was affiliated with Massachusetts General Hospital.

Origianlly appeared in Aids and Behavior, vol. 19, no. 5, 2015, published by Springer. May be found at http://dx.doi.org/10.1007/s10461-014-0958-x.

©The Author(s) 2014. This article is published with open access at Springerlink.com

DOI
10.1007/s10461-014-0958-x
Persistent Identifier
http://archives.pdx.edu/ds/psu/18536
Publisher
Springer
Citation Information
Mugo, Peter Mwangi, Eduard J. Sanders, Gaudensia Mutua, Elisabeth van der Elst, Omu Anzala, Burc Barin, David R. Bangsberg, Frances H. Priddy, and Jessica E. Haberer. "Understanding adherence to daily and intermittent regimens of oral HIV pre-exposure prophylaxis among men who have sex with men in Kenya." AIDS and Behavior 19, no. 5 (2015): 794-801.