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PrEP persistence, or PrEP use over time, has been shown to be short, with most PrEP users stopping within 6–12 months. Furthermore, those most vulnerable to HIV often use PrEP for shorter periods. This qualitative study explores patient, provider, and contextual factors that influence PrEP persistence. In interviews with 25 PrEP users and 18 PrEP providers in San Francisco’s safety net clinics, we analyze the perceived benefits and difficulties of taking PrEP, including structural barriers. We identify different steps in receipt of PrEP care (clinic visits and lab tests, pharmacy interactions, and medication adherence), and describe barriers and facilitators for providers and patients at each step. Our findings suggest that drop-in visits, streamlined testing, standing orders for labs, and 90-day PrEP prescriptions are highly desirable for many PrEP users. Also important are the proactive provision of adherence support and counseling, and referrals for housing, substance use, and mental health services.

The VOICE Adherence Strengthening Program (VASP) was implemented in May 2011 to improve adherence counseling in VOICE (MTN-003), a multisite placebo-controlled trial of daily oral or vaginal tenofovir-based Pre-Exposure Prophylaxis (PrEP). Anonymous baseline (N = 82) and final follow-up (N = 75) surveys were administered to counselors and pharmacists at 15 VOICE sites, and baseline (N = 18) and final (N = 26) qualitative in-depth interviews were conducted with purposively selected counseling staff at 13 VOICE sites. Qualitative interviews with VOICE participants (N = 38) were also analyzed for segments related to counseling. Behavioral and biological measures of product use collected in the 6 months prior to VASP implementation were compared to those collected during the 6 months following implementation. Results show that the majority of staff preferred VASP and thought that participants preferred VASP over the previous education and counseling strategy, although there was no evidence to suggest that participants noticed modifications in the counseling approach. No meaningful changes were observed in pre/post levels of reported use or drug detection. Interpretation of results is complicated by mid-trial implementation of VASP and its proximity to early closure of oral and vaginal tenofovir study arms because of futility.

Self-determination theory and substantial research findings suggest that more desirable outcomes may occur when participants are able to choose their prevention or treatment interventions, as having a choice may lead to greater motivation and feelings of self-efficacy. The present study examined the influence of having a choice of family-based prevention programs for youth alcohol, tobacco, and other drug use on mothers’ communication outcomes. Families ( N = 496) were those with an 11- to 12-year-old enrolled in Kaiser Permanente medical centers at one of four locations. Results from multivariate repeated measures analyses supported the importance of having a choice for improved communication outcomes. As compared with families who were randomly assigned to a program, those allowed to choose showed improved tobacco-specific and peer pressure communication, with marginally improved alcohol communication. No differences were found between the groups for general communication. Results suggest that allowing mothers to participate in decisions about health-related interventions for their teens may lead to better outcomes.