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  • HPTN 083-02: factors influencing adherence to injectable PrEP and retention in an injectable PrEP study.
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English
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No description defined
  • HPTN 083-02: factors influencing adherence to injectable PrEP and retention in an injectable PrEP study.

Statements

HPTN 083-02: factors influencing adherence to injectable PrEP and retention in an injectable PrEP study. (English)
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HPTN 083 demonstrated the superiority of long-acting cabotegravir (CAB-LA) versus daily oral emtricitabine/tenofovir disoproxil fumarate (TDF/FTC) as pre-exposure prophylaxis (PrEP) among cisgender men and transgender women who have sex with men (MSM/TGW). (English)
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HPTN 083 provided the first opportunity to understand experiences with injectable PrEP in a clinical trial. (English)
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Participants from two US sites (Chicago, IL and Atlanta, GA) and one international site (Rio de Janeiro, Brazil) were purposively sampled for individual qualitative interviews (N = 40), between November 2019 and March 2020, to explore trial experiences, barriers to adherence and other factors that may have impacted study implementation or outcomes. (English)
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The blinded phase ended early due to efficacy; this analysis includes interviews conducted prior to unblinding with three groups defined by adherence (i.e. (English)
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injection visit attendance): adherent (n = 27), non-adherent (n = 12) and early discontinuers (n = 1). (English)
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Data were organized using NVivo software and analysed using content analysis. (English)
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Participants (mean age: 27) were primarily cisgender MSM (90%) and Black/African American (60%). (English)
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Reasons for trial enrolment and PrEP use included a preference for using HIV prevention medication versus treatment in the event of HIV acquisition; the ability to enhance health via study-related education and services; access to a novel, convenient HIV prevention product at no cost; and contributing to MSM/TGW communities through research. (English)
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Participants contrasted positive experiences with study staff with their routine clinical care, and emphasized increased scheduling flexibility, thorough communication, non-judgemental counselling and open, affirming environments (e.g. (English)
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compassion, less stigma) as adherence facilitators. (English)
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Injection experiences were positive overall; some described early injection-related anxiety, which abated with time and when given some measure of control (e.g. (English)
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pre-injection countdown), and minimal injection site discomfort. (English)
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Some concerns and misperceptions about injectable PrEP were reported. (English)
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Barriers to adherence, across all adherence categories, included structural factors (e.g. (English)
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financial constraints, travel) and competing demands (e.g. (English)
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work schedules). (English)
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Respondents viewed injectable PrEP trial participation as a positive experience and a means of enhancing wellbeing. (English)
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Study site flexibility and affirming clinic environments, inclusive of non-judgemental counselling, were key facilitators of adherence. (English)
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To support injection persistence, interventions that address structural barriers and promote flexible means of injection delivery may be most effective. (English)
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May 2024
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May 2024
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HPTN 083‐02 Study Team (English)
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27
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5
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e26252
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e26252
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unknown value
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JS received support from the National Institutes of Health for his work on this study. (English)
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He is also a member of Merck KGaA's Ethics Advisory Panel and Stem Cell Research Oversight Committee; a member of IQVIA's Ethics Advisory Panel; a member of Aspen Neurosciences Clinical Advisory Panel; a member of a Merck Data Monitoring Committee; and a consultant to Biogen. (English)
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None of these latter activities are related to the material discussed in this manuscript. (English)
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CFK has received research grants to her institution from Gilead Sciences, ViiV Healthcare, Moderna, Novavax and Humanigen. (English)
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RJL serves on a Scientific Advisory Board for Merck. (English)
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ARR is an employee and shareholder of ViiV Healthcare. (English)
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NP's institution received research funding from Gilead Sciences, consultant fees from Merck and advisory board fees from ViiV Healthcare (no direct payment to NP). (English)
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All other authors declare that they have no competing interests. (English)
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