Limited Awareness and Low Immediate Uptake of Pre-Exposure Prophylaxis among Men Who Have Sex with Men Using an Internet Social Networking Site

Latent Class Analysis of Online Platforms for Partner-Seeking and Sexual Behaviors Among Men Who Have Sex with Men from Central Kentucky

Little is known whether engagement in sexual behaviors associated with potential HIV risks differs by subgroups of men who have sex with men (MSM), who are distinct regarding patterns of use of online tools for partner-seeking. Using latent class analysis, we revealed four classes of app-using MSM (n = 181, 18-34 y.o., 82.4% identified as White and non-Hispanic) residing in Central Kentucky: the Grindr/Tinder class; the Poly App Use class of MSM-oriented apps; the General Social Media class, and the Bumble class. Unadjusted penalized logistic regressions showed associations of the Poly App Use class with increased numbers of receptive anal sex partners and reporting condomless receptive anal sex. Adjusting for other covariates, poly app users versus others were more likely to be older (25-34 vs. 18-24, AOR = 3.81, 95%CI = 1.70-9.03), to report past six-month illicit drug use (AOR = 2.93, 95%CI = 1.25-7.43) and to have ever used pre-exposure prophylaxis (AOR = 2.79, 95%CI = 1.10-7.12). Poly app users had behavior profiles associated with an elevated HIV risk and also reported HIV-related protective behaviors likely indicating increased risk awareness among this class. Our findings warrant differentiation of behavior profiles by patterns of app use and suggest not to generalize sexual behaviors associated with potential HIV risks to all app-using MSM.

A Systematic Review of Implementation Research on Determinants and Strategies of Effective HIV Interventions for Men Who Have Sex with Men in the United States

Men who have sex with men (MSM) are disproportionately affected by HIV, accounting for two-thirds of HIV cases in the United States despite representing ∼5% of the adult population. Delivery and use of existing and highly effective HIV prevention and treatment strategies remain suboptimal among MSM. To summarize the state of the science, we systematically review implementation determinants and strategies of HIV-related health interventions using implementation science frameworks. Research on implementation barriers has focused predominantly on characteristics of individual recipients (e.g., ethnicity, age, drug use) and less so on deliverers (e.g., nurses, physicians), with little focus on system-level factors. Similarly, most strategies target recipients to influence their uptake and adherence, rather than improving and supporting implementation systems. HIV implementation research is burgeoning; future research is needed to broaden the examination of barriers at the provider and system levels, as well as expand knowledge on how to match strategies to barriers-particularly to address stigma. Collaboration and coordination among federal, state, and local public health agencies; community-based organizations; health care providers; and scientists are important for successful implementation of HIV-related health innovations.

Trends of nonoccupational postexposure prophylaxis in the United States

OBJECTIVE

To describe national annual rates of nonoccupational postexposure prophylaxis (nPEP) in the United States.

DESIGN

Retrospective cohort study of commercially insured individuals in the Merative MarketScan Database from January 1, 2010 to December 31, 2019.

METHODS

Patients at least 13 years old prescribed nPEP per recommended Centers for Disease Control and Prevention guidelines were identified using pharmacy claims. Rates of use were described overall and stratified by sex, age group, and region. These rates were qualitatively compared to the diagnosis rates of human immunodeficiency virus (HIV) observed in the data. Joinpoint analysis identified inflection points of nPEP use.

RESULTS

Eleven thousand, three hundred and ninety-seven nPEP users were identified, with a mean age of 33.7 years. Most were males (64.6%) and lived in the south (33.2%) and northeast (32.4%). The rate of nPEP use increased 515%, from 1.42 nPEP users per 100 000 enrollees in 2010 to 8.71 nPEP users per 10 000 enrollees in 2019. The comparative nPEP use rates among subgroups largely mirrored their HIV diagnosis rates, that is, subgroups with a higher HIV rate had higher nPEP use. In the Joinpoint analysis significant growth was observed from 2012 to 2015 [estimated annual percentage change (EAPC): 45.8%; 95% confidence interval (CI): 29.4 - 64.3] followed by a more moderate increase from 2015 to 2019 (EAPC 16.0%; 95% CI: 12.6-19.6).

CONCLUSIONS

nPEP use increased from 2010 to 2019, but not equally across all risk groups. Further policy interventions should be developed to reduce barriers and ensure adequate access to this important HIV prevention tool.

PrEPare for Work: A Pilot Randomized Controlled Trial of an Intervention to Optimize HIV PrEP Outcomes Among Male Sex Workers

HIV pre-exposure prophylaxis (PrEP) use is limited among male sex workers, who are at exceptionally high-risk for HIV infection. We developed a theory-informed, two-pronged intervention ("PrEPare-for-Work") to optimize PrEP initiation and adherence among male sex workers, which was preliminarily evaluated in a two-stage pilot randomized controlled trial of 110 male sex workers in the US Northeast. Individuals randomized to the Stage 1 PrEPare-for-Work Case Management arm were three times as likely as those in the standard of care (SOC) arm to initiate PrEP (RR = 2.95, 95% CI = 1.57-5.57). Participants who initiated PrEP and were randomized to the Stage 2 PrEPare-for-Work Adherence Counseling arm had higher rates of prevention-effective adherence (measured via tenofovir in hair) compared to those in the SOC arm (RR = 1.7, 95% CI 0.64-4.77; 55.6% vs. 28.6%, respectively); though not statistically significant. Given the need and the promise of this pilot RCT, further efficacy testing is warranted and should be prioritized.

"Why You Putting This Drug in Your Body to Fight off Something that You Don't Have?" Perceptions About PrEP Use Among Black and Latino Men Who Have Sex with Men in the U.S. South

PrEP use has steadily increased since its introduction, yet uptake remains slow among MSM of color in the U.S. South. Findings presented are from a qualitative study conducted in 2016 exploring factors related to remaining HIV negative among Black (n = 99) and Latino (n = 51) MSM in Atlanta, Baton Rouge, New Orleans, Jackson, and Miami. One-hour in-depth interviews were analyzed using a qualitative content analysis approach. MSM perceived PrEP as providing relief from fear and as an insurance policy against HIV infection but were likely to consider themselves at low risk for HIV. Identified factors influencing PrEP use included side effects, medical mistrust, and stigma. Cost and access were not seen as major barriers. Findings suggest MSM of color in the South may view PrEP as too risky for their HIV prevention needs. PrEP providers can address medical mistrust, discuss side effects, and emphasize positive aspects of PrEP use to increase uptake. (150 words).

Factors associated with suboptimal retention in HIV pre-exposure prophylaxis care among men who have sex with men

Despite the efficacy of HIV pre-exposure prophylaxis (PrEP), retention in care in the United States remains suboptimal. The goal of this study was to explore factors that lead to suboptimal retention in PrEP care for men who have sex with men (MSM) in real-world clinical settings in the United States. Trained interviewers conducted semi-structured interviews with MSM (N = 49) from three clinics who had been engaged in PrEP care in the Midwest (n = 15), South (n = 15), and Northeast (n = 19) geographic regions and had experienced a lapse in PrEP use. Factors that emerged as related to suboptimal retention in PrEP care included structural factors such as transportation and out-of-pocket costs; social factors such as misinformation on media and in personal networks; clinical factors such as frequency and timing of appointments; and behavioral factors such as changes in sexual behavior and low perceived risk for HIV. Participants suggested reducing the out-of-pocket costs of medications and lab visits, having flexible appointment times, culturally responsive services, and comprehensive patient navigation to help retention in care. These findings leveraged real-world experiences and opinions of patients to inform gaps in current services and how to make changes to optimize PrEP care.

Variations in Pre-exposure Prophylaxis (PrEP) Awareness and Healthcare Provider Interactions in a Nationally Representative Sample of American Men Aged 15-49 Years: A Cross-Sectional Study

Awareness of and discussions with a healthcare provider (HCP) around pre-exposure prophylaxis (PrEP), an effective HIV prevention method, are associated with PrEP uptake, yet few studies utilize representative samples or report on these outcomes using distinct behavioral risk subgroups. This cross-sectional study utilized responses given by men on the 2017-2019 National Survey of Family Growth, a nationally representative survey of Americans aged 15-49 years. Multiple logistic regression models were used to determine how respondents' sociodemographic characteristics and HIV risk behaviors were related to PrEP awareness and HCP discussions. PrEP awareness was low (29.40%) as was the proportion who reported ever discussing PrEP with an HCP (4.48%). Odds of being PrEP aware and discussing PrEP with an HCP varied significantly within sexual behavior subgroups based on sociodemographic and behavioral characteristics highlighting the differential risks within distinct behavioral subgroupings of men. Sexual behavior subgroupings should be considered when promoting PrEP awareness and discussions as HIV risk behaviors vary considerably and sexual identity alone may not sufficiently capture one's HIV risk.

Intersectional Discrimination and PrEP uSe Among Young Black Sexual Minority Individuals: The Importance of Black LGBTQ Communities and Social Support

Intersectional stigma and discrimination have increasingly been recognized as impediments to the health and well-being of young Black sexual minority men (YBSMM) and transgender women (TW). However, little research has examined the relationship between intersectional discrimination and HIV pre-exposure prophylaxis (PrEP) outcomes. This study with 283 YBSMM and TW examines the relationship between intersectional discrimination and current PrEP use and likelihood of future PrEP use. Path models were used to test associations between intersectional discrimination, resilience and social support, and PrEP use and intentions. Individuals with higher levels of anticipated discrimination were less likely to be current PrEP users (OR = 0.59, p = .013), and higher levels of daily discrimination were associated with increased likelihood of using PrEP in the future (B = 0.48 (0.16), p = .002). Greater discrimination was associated with higher levels of resilience, social support, and connection to the Black LGBTQ community. Social support mediated the effect of day-to-day discrimination on likelihood of future PrEP use. Additionally, there was a significant and negative indirect effect of PrEP social concerns on current PrEP use via Black LGBTQ community connectedness. The results of this study highlight the complexity of the relationships between discrimination, resilience, and health outcomes.

Interdisciplinarity in HIV prevention research: the experience of the PrEP1519 study protocol among adolescent MSM and TGW in Brazil

At the end of 2017, Brazil adopted HIV pre-exposure prophylaxis (PrEP) as part of a combination prevention strategy for the most at-risk populations. However, Brazil does not have specific guidelines for PrEP use among adolescents aged < 18 years. Therefore, researchers from different health disciplines conducted PrEP1519, the first PrEP demonstration cohort study, ongoing in three Brazilian cities - Salvador, Belo Horizonte, and São Paulo - among adolescent men who have sex with men and transgender women, aged 15-19 years. This study aims to evaluate the effectiveness of PrEP in real-world settings. Quantitative and qualitative methods were integrated to obtain data on PrEP acceptability, uptake, use, and adherence. Moreover, comprehensive services and friendly environments were implemented in the PrEP1519 clinics. This study aims to describe the collaborative efforts of interdisciplinary practices in the development of the PrEP1519 study. The articulation of researchers from different institutions and areas is challenging; but it also allows for a broader outlook on questions regarding the direction of the research, while enriching the decisions needed to be taken during the interactions and negotiations among the different individuals, including the youth team and participants. Furthermore, it reflects on the communication process between cultures and languages considering the trans-epistemic arena of knowledge production about HIV, sexually transmitted infections, PrEP, and other combination prevention strategies for adolescents.

'Oh, I don't really want to bother with that:' gay and bisexual young men's perceptions of barriers to PrEP information and uptake

Pre-exposure prophylaxis (PrEP), a daily oral pill for HIV prevention demonstrated to be effective for adults, was recently approved by the US Food and Drug Administration for use with young people weighing at least 35 kilograms. Given that young people aged 13-19 years account for a disproportionate share of new US HIV infections, PrEP presents an important opportunity. There has been limited effort, however, to increase PrEP awareness and uptake among young people. While prior work has identified barriers young people face in getting PrEP, effective strategies for overcoming these barriers have not yet been identified. This paper presents results from interviews with 15-19 year old gay and bisexual young men about their knowledge and perceptions of PrEP, and the barriers they perceive. Results suggest that participants were aware of PrEP but confused by the details of insurance coverage and out-of-pocket costs. Participants also felt parents and providers would not be knowledgeable or supportive, and were reluctant to share their own use of PrEP on social media. Suggested next steps include online parent and provider education, systemic health care reform to streamline and simplify access to preventative care and awareness campaigns that meet youth where they are on popular platforms.

Use of HIV Post-Exposure Prophylaxis Among Men Who Have Sex With Men in Shenzhen, China: A Serial Cross-Sectional Study

HIV postexposure prophylaxis (PEP) has been prescribed to non-occupational people in recent years, but the implementation of PEP in China is still unclear. This study sought to examine the PEP use rate and factors associated with PEP in Men who have sex with men (MSM). We recruited HIV-negative MSM through offline methods from 2018 to 2020 in Shenzhen, China. Overall, PEP use increased from 3.92% to 2018, 5.73% in 2019, and 10.29% in 2020. Among 2833 participants who reported their most recent questionnaire, factors associated with PEP use included residence in Shenzhen less than 1 year, sexual intercourse with women, preferred way of finding sexual partners in MSM venues, multiple sexual partners (≥ 2), condom use, lubricant use, viagra use, less use of rush popper, HIV-related services and interest in initiating Pre-exposure prophylaxis (PrEP). The implementation of the PEP plan should focus on the groups that may be at risk of HIV infection and their continued risky behaviours. For the inappropriate use of PEP, PEP publicity should guide MSM to choose regular hospitals and strengthen HIV testing before and after PEP.

Facilitators for retaining men who have sex with men in pre-exposure prophylaxis care in real world clinic settings within the United States

BACKGROUND

Pre-exposure prophylaxis (PrEP) can significantly reduce HIV acquisition especially among communities with high HIV prevalence, including men who have sex with men (MSM). Much research has been finding suboptimal PrEP persistence; however, few studies examine factors that enhance PrEP persistence in real-world settings.

METHODS

We interviewed 33 patients who identified as MSM at three different PrEP clinics in three regions of the U.S. (Northeast, South, Midwest). Participants were eligible if they took PrEP and had been retained in care for a minimum of 6 months. Interviews explored social, structural, clinic-level and behavioral factors that influencing PrEP persistence.

RESULTS

Through thematic analysis we identified the following factors as promoting PrEP persistence: (1) navigation to reduce out-of-pocket costs of PrEP (structural), (2) social norms that support PrEP use (social), (3) access to LGBTQ + affirming medical providers (clinical), (4) medication as part of a daily routine (behavioral), and (5) facilitation of sexual health agency (belief).

DISCUSSION

In this sample, persistence in PrEP care was associated with structural and social supports as well as a high level of perceived internal control over protecting their health by taking PrEP. Patients might benefit from increased access, LGBTQ + affirming medical providers, and communications that emphasize PrEP can promote sexual health.

Evidence and implication of interventions across various socioecological levels to address HIV testing uptake among men who have sex with men in the United States: A systematic review

Objectives

Strengthening HIV testing uptake is critical to curtail the HIV epidemics among men who have sex with men in the United States. Despite the implementation of various interventions to promote HIV testing among men who have sex with men, few aggregated evidence is presented to reflect the "lessons learned" and inform future directions. The objective of this systematic review is to comprehensively summarize published studies that described, tested, and evaluated outcomes (e.g. efficacy, effectiveness, acceptability, feasibility and/or qualitative opinions) associated with an HIV testing intervention and identify gaps as well as opportunities to inform the design and implementation of future interventions to enhance HIV testing uptake among men who have sex with men in the United States.

Methods

We followed the PRISMA guidelines and conducted a systematic review of articles (published by 23 July 2021) by searching multiple databases (PubMed, MEDLINE, Web of Science and PsycINFO).

Results

Among the total number of 3505 articles found through multiple databases, 56 papers were included into the review. Interventional modules that demonstrated acceptability, feasibility and efficacy to improve HIV testing uptake among men who have sex with men include: HIV self-testing, interpersonal-level (e.g. peer-led, couple-based) interventions, personalized interventions and technology-based interventions (e.g. mHealth). Aggregated evidence also reflects the lack of individualized interventions that simultaneously address time-varying needs across multiple socioecological levels (e.g. individual, interpersonal, community, structural and societal).

Conclusion

Development of interventions to improve HIV testing rates and frequency of men who have sex with men has proliferated in recent years. Our review presents important implications in sustaining and improving interventions to address HIV testing uptake among men who have sex with men in the United States.

Effect of Reminder System on Pre-exposure Prophylaxis Adherence in Men Who Have Sex with Men: A Prospective Cohort Study Based on WeChat Intervention (Preprint)

Background

Objective

Methods

Results

Conclusions

Trial Registration

Qualitative investigation of factors impacting pre-exposure prophylaxis initiation and adherence in sexual minority men

Introduction

Men who have sex with men continue to account for the majority of new HIV infections in the United States. Many of those with new infections are unaware that they have HIV. Preventative measures continue to be essential in reducing new infections, with pre‐exposure prophylaxis (PrEP) being widely recommended.

Objectives

The overall aim of this qualitative study is to explore the impact of stigma, patient–provider dynamics and patient perception of PrEP on men's engagement with PrEP in a primary care setting.

Methods

The Consensual Qualitative Research Methodology (Hill, 2012) was used to explore the experiences of 14 men receiving care for PrEP at a Family Medicine clinic in the Midwest. Semistructured interviews were conducted to allow for depth of understanding of individuals' experience.

Results

Four major domains were identified: motivation to pursue PrEP, barriers and adherence to care, beliefs about how PrEP is perceived by others and experiences discussing sexual health and PrEP with providers.

Conclusion

It is important to better understand factors contributing to the pursuit of and adherence to HIV prevention measures and HIV care. Further, health systems and providers are encouraged to consider opportunities in terms of how their practice can destigmatize PrEP use and offer a welcoming environment for those pursuing HIV prevention.

Patient or Public Contribution

Patients were involved in the study through their participation in semistructured interviews, which provided the data analysed for this study. There was no additional participation beyond the one‐time interview or follow‐up poststudy. Their interviews helped contribute to our better understanding of the needs and experiences of those receiving PrEP‐related care.

Health Beliefs Linked to HIV Pre-Exposure Prophylaxis Use Intention Among Young Men Who Have Sex with Men in Taiwan

Pre-exposure prophylaxis (PrEP) is an effective tool to prevent HIV and has recently been approved in Taiwan. However, more research regarding PrEP acceptability and effective PrEP implementation is needed in Taiwan. Little is known about the intention to use PrEP and salient psychosocial factors among men who have sex with men (MSM). The purpose of this study was to examine health beliefs linked to PrEP use intention among young MSM (YMSM) in Taiwan. Using the Health Belief Model (HBM) as a guiding framework, an anonymous online survey was used to collect data from participants who were recruited using multiple channels to ensure diversity. Multivariate logistic regression was performed to examine the health beliefs linked to high PrEP use intention. Data from 1329 HIV-negative YMSM were analyzed; 488 (36.7%) were classified as having high PrEP use intention, which was found to be associated with having high perceived susceptibility to HIV infection [adjusted odds ratio (AOR) = 2.11], high perceived benefits of PrEP use (AOR = 2.14), high self-efficacy in PrEP use (AOR = 4.19), and many cues to action concerning PrEP use (AOR = 1.49). YMSM with high perceived barriers to PrEP use (AOR = 0.64) had lower PrEP use intention. In addition, the effects of HBM constructs and specific health beliefs on PrEP use intention varied by preferred penile-anal sexual role. The study findings may inform efforts aimed at improving PrEP acceptability and optimizing PrEP implementation programs tailored for YMSM of different sexual roles.

A Scoping Review Investigating Relationships between Depression, Anxiety, and the PrEP Care Continuum in the United States

Men who have sex with men and transgender women in the United States are at increased risk for HIV and may benefit from pre-exposure prophylaxis (PrEP), a once-a-day pill to prevent HIV. Due to stigma and discrimination, sexual and gender minority (SGM) populations are also at risk for depression and anxiety. This scoping review sought to identify literature addressing relationships between the PrEP care continuum, depression, and anxiety among SGM individuals and others at high risk for HIV. We conducted a systematic review of four databases (i.e., PubMed, PsycInfo, Web of Science, Google Scholar) and identified 692 unique articles that were screened for inclusion criteria, with 51 articles meeting the final inclusion criteria. Data were extracted for key study criteria (e.g., geographic location, participant demographics, study design, main findings). Results suggest that while depression and anxiety are not associated with PrEP awareness or willingness to use, they can be barriers to seeking care and to PrEP adherence. However, empirical studies show that taking PrEP is associated with reductions in anxiety. Findings suggest the need to implement mental health screenings in PrEP clinical care. In addition, addressing systemic and structural issues that contribute to mental health disorders, as well as PrEP-related barriers, is critical.

Willingness, preferred ways and potential barriers to use pre-exposure prophylaxis for HIV prevention among men who have sex with men in China

OBJECTIVE

To explore willingness and preferred ways to use HIV pre-exposure prophylaxis (PrEP), factors associated with willingness, and potential barriers to PrEP use among men who have sex with men (MSM) in Changsha, China.

DESIGN

A cross-sectional survey was conducted from 25 June to 31 August 2019. Two hundred and fifty-five MSM were recruited from three community-based organisations (CBOs) in Changsha City. Willingness and potential barriers to use PrEP were examined using researcher-created scales. Univariate and multivariate logistic regression was used to analyse the factors associated with willingness to use PrEP. P values <0.05 were considered significant.

SETTING

Three MSM inclusive CBOs in Changsha, Hunan Province, China.

PARTICIPANTS

255 HIV-negative MSM were recruited through their CBOs with snowball sampling.

RESULTS

Less than half of the participants (43.1%) had heard of PrEP and 15.3% were willing to use PrEP. The participants reported higher willingness to use event-driven PrEP (3.70±0.07) than daily PrEP (2.65±0.07). Higher self-rated risk and fear of contracting HIV (OR: 14.47, 95% CI 2.19 to 95.53), awareness of PrEP (OR: 4.20, 95% CI 1.64 to 10.73), sharing one's own sexual orientation with parents or siblings (OR: 2.52, 95% CI 1.54 to 7.20) and having a university education or above (OR:0.29, 95% CI 0.12 to 0.72) were associated with willingness to use PrEP. Only 12.2% of the sample was concerned about potential barriers to PrEP use.

CONCLUSION

Efforts to improve awareness and knowledge of PrEP, teach self-evaluation of HIV infection risk and provide social and emotional support for MSM are needed to scale up PrEP implementation in China.

Structural Issues Associated with Pre-exposure Prophylaxis Use in Men Who Have Sex with Men

BACKGROUND

Limited access to healthcare has been associated with limited uptake of pre-exposure prophylaxis (PrEP) for HIV among men who have sex with men (MSM). This descriptive analysis examined, in a near universal healthcare setting, differences between MSM reporting using versus not using PrEP in the past 12 months.

METHOD

Data come from the 2017 Boston sample of the National HIV Behavioral Surveillance (NHBS) system, containing a venue-based and time-spaced sample of 530 MSM. The analysis used descriptive frequencies and tests of bivariate associations by PrEP use using Fisher's exact test.

RESULTS

Five hundred four respondents had data necessary to determine if PrEP was indicated, and 233 (43.9%) had an indication for PrEP. Of these 233 participants, 117 (50.2%) reported using PrEP in the past 12 months. Not being out, in terms of disclosing one's sexual orientation to a healthcare provider, lack of health insurance, limited access to healthcare, and history of incarceration were all significantly associated with not using PrEP in the past 12 months. Race/ethnicity was not significantly associated with PrEP use in the past 12 months.

CONCLUSIONS

In the setting of Massachusetts healthcare expansion and reform, and in a sample somewhat uncharacteristic of the population of individuals experiencing difficulties accessing PrEP, structural and demographic factors remain potent barriers to PrEP uptake. Targeted PrEP expansion efforts in Massachusetts may focus on identifying vulnerable subgroups of MSM (e.g., underinsured or criminal justice system-involved MSM) and delivering evidence-based interventions to reduce stigma and promote disclosure of same-sex behavior in healthcare settings.

Use of HIV pre-exposure prophylaxis among urban Canadian gay, bisexual and other men who have sex with men: a cross-sectional analysis of the Engage cohort study

BACKGROUND

In Canada, gay, bisexual and other men who have sex with men (GBM) are disproportionately affected by HIV. Our objective was to describe access to HIV pre-exposure prophylaxis (PrEP) and identify factors associated with not using PrEP among self-reported HIV-negative or HIV-unknown GBM.

METHODS

This was a cross-sectional analysis of the Engage study cohort. Between 2017 and 2019, sexually active GBM aged 16 years or more in Montréal, Toronto and Vancouver were recruited via respondent-driven sampling (RDS). Participation included testing for HIV and sexually transmitted and blood-borne infections, and completion of a questionnaire. We examined PrEP access using a health care services model and fit RDS-adjusted logistic regressions to determine correlates of not using PrEP among those for whom PrEP was clinically recommended and who were aware of the intervention.

RESULTS

A total of 2449 GBM were recruited, of whom 2008 were HIV-negative or HIV-unknown; 1159 (511 in Montréal, 247 in Toronto and 401 in Vancouver) met clinical recommendations for PrEP. Of the 1159, 1100 were aware of PrEP (RDS-adjusted proportion: Montréal 84.6%, Toronto 94.2%, Vancouver 92.7%), 678 had felt the need for PrEP in the previous 6 months (RDS-adjusted proportion: Montréal 39.2%, Toronto 56.1%, Vancouver 49.0%), 406 had tried to access PrEP in the previous 6 months (RDS-adjusted proportion: Montréal 20.6%, Toronto 33.2%, Vancouver 29.6%) and 319 had used PrEP in the previous 6 months (RDS-adjusted proportion: Montréal 14.5%, Toronto 21.6%, Vancouver 21.8%). Not using PrEP was associated with several factors, including not feeling at high enough risk, viewing PrEP as not completely effective, not having a primary care provider and lacking medication insurance.

INTERPRETATION

Although half of GBM met clinical recommendations for PrEP, less than a quarter of them reported use. Despite high levels of awareness, a programmatic response that addresses PrEP-related perceptions and health care system barriers is needed to scale up PrEP access among GBM in Canada.

PrEP awareness among people living with HIV in Florida: Florida Cohort study

In 2017, Florida ranked 2nd nationally in prevalence and incidence rates of HIV infections in the United States. Due to the high burden of HIV and low viral suppression in Florida, it is of increased importance to study methods of HIV prevention such as preexposure prophylaxis(PrEP) in this state. Our study aimed to examine correlates of PrEP awareness among PLWH in Florida and describe patterns of PrEP awareness/information sources. Using data collected from the Florida Cohort study between 2014 and 2018, 530 PLWH answered items that were hypothesized to be correlated with PrEP awareness. Of our sample, 53.8% were aware of PrEP. Urban location of recruitment, sexual partner's use of PrEP, use of viral suppression as an HIV prevention strategy, and engagement in transactional sex were all significantly associated with higher odds of PrEP awareness. Care providers and HIV/AIDS support groups were the most frequently listed sources of PrEP awareness, sources of future PrEP information, and most trusted sources for PrEP information. Findings from this study could inform future interventions that aim to increase PrEP awareness among PLWH to increase PrEP awareness and uptake among their HIV-negative social and sexual networks.

Brief Report: Using Behavioral Economics to Increase HIV Knowledge and Testing Among Latinx Sexual Minority Men and Transgender Women: A Quasi-Experimental Pilot Study

OBJECTIVE

To determine how weekly text messages and small incentives impact HIV knowledge and frequency of HIV testing among Latinx sexual minority men (LSMM) and transgender women (LTGW).

DESIGN

Prospectively randomized participants into 2 intervention arms compared with a nonrandomized comparison group.

SETTING

Bienestar, a primarily Latinx focused HIV service provider located across Los Angeles County.

SUBJECTS, PARTICIPANTS

Two hundred eighteen participants self-identifying as LSMM or LTGW, HIV negative, having regular mobile phone access, ≥18 years, and fluent in English or Spanish.

INTERVENTION

The "information only" (IO) group received text messages with HIV prevention information. The "information plus" (IP) group additionally could win incentives by answering weekly quiz questions correctly and testing for HIV once every 3 months. We followed participants for 12 months.

MAIN OUTCOME MEASURE(S)

HIV knowledge and frequency of HIV testing.

RESULTS

We found no effect on HIV knowledge in the IO group but a statistically significant improvement in the IP group (79.2%-88.1%; P = 0.007). The frequency of HIV testing was higher in both intervention groups relative to the comparison group: On average, 22.0% of IO participants and 24.9% of IP participants tested at a Bienestar site within a given 3-month period, compared with 13.0% in the comparison group. This represents unadjusted relative risk ratios of 1.69 for the IO group (95% CI: 1.25 to 2.1; P < 0.01) and 1.91 for the IP group (95% CI: 1.51 to 2.31; P < 0.01), respectively.

CONCLUSIONS

This study demonstrates that a simple, low-cost intervention may help increase HIV testing frequency among LSMM and LTGW, 2 groups at high HIV risk.

Development and Evaluation of a Mobile App Designed to Increase HIV Testing and Pre-exposure Prophylaxis Use Among Young Men Who Have Sex With Men in the United States: Open Pilot Trial

BACKGROUND

HIV disproportionately affects young men who have sex with men (YMSM) in the United States. Uptake of evidence-based prevention strategies, including routine HIV testing and use of pre-exposure prophylaxis (PrEP), is suboptimal in this population. Novel methods for reaching YMSM are required.

OBJECTIVE

The aim of this study is to describe the development and evaluate the feasibility and acceptability of the MyChoices app, a mobile app designed to increase HIV testing and PrEP use among YMSM in the United States.

METHODS

Informed by the social cognitive theory, the MyChoices app was developed using an iterative process to increase HIV testing and PrEP uptake among YMSM. In 2017, beta theater testing was conducted in two US cities to garner feedback (n=4 groups; n=28 YMSM). These findings were used to refine MyChoices, which was then tested for initial acceptability and usability in a technical pilot (N=11 YMSM). Baseline and 2-month postbaseline assessments and exit interviews were completed. Transcripts were coded using a deductive approach, and thematic analysis was used to synthesize data; app acceptability and use data were also reported.

RESULTS

The MyChoices app includes personalized recommendations for HIV testing frequency and PrEP use; information on types of HIV tests and PrEP; ability to search for nearby HIV testing and PrEP care sites; and ability to order free home HIV and sexually transmitted infection test kits, condoms, and lube. In theater testing, YMSM described that MyChoices appears useful and that they would recommend it to peers. Participants liked the look and feel of the app and believed that the ability to search for and be pinged when near an HIV testing site would be beneficial. Some suggested that portions of the app felt repetitive and preferred using casual language rather than formal or medicalized terms. Following theater testing, the MyChoices app was refined, and participants in the technical pilot used the app, on average, 8 (SD 5.0; range 2-18) times over 2 months, with an average duration of 28 (SD 38.9) minutes per session. At the 2-month follow-up, the mean System Usability Scale (0-100) score was 71 (ie, above average; SD 11.8). Over 80% (9/11) of the participants reported that MyChoices was useful and 91% (10/11) said that they would recommend it to a friend. In exit interviews, there was a high level of acceptability for the content, interface, and features.

CONCLUSIONS

These data show the initial acceptability and user engagement of the MyChoices app. If future studies demonstrate efficacy in increasing HIV testing and PrEP uptake, the app is scalable to reach YMSM across the United States.

TRIAL REGISTRATION

Clinicaltrials.gov NCT03179319; https://clinicaltrials.gov/ct2/show/NCT03179319.

INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID)

RR2-10.2196/10694.

Exploration of the Complex Relationships Among Multilevel Predictors of PrEP Use Among Men Who Have Sex with Men in the United States

To explore the relationships among individual-, social-, and contextual- (state-level characteristics, including LBGTQ + and racial inequality) level factors and PrEP use. A cross-sectional survey was conducted in 2015-2016 among a geographically diverse group of men who have sex with men (MSM). Survey data was linked to publicly available state-level data based on participant zip code. Multivariable multilevel logistic regression was used to explore the association between multilevel variables and PrEP use. Of 4165 HIV-negative MSM, 13.4% were taking PrEP. In the regression analysis, several demographic and behavioral factors were associated with higher odds of PrEP use. Importantly, after adjusting for individual- and social-level factors, residents of states with high LGBTQ + equality had significantly higher odds of taking PrEP (OR 1.57; 95% CI 1.119, 2.023) compared to low equality states. LGBTQ + inequality between states may hinder PrEP use. States may need to take proactive measures to reduce LGBTQ + inequality as this may negatively impact the ability to reach the federal administration's stated goal to end the HIV epidemic in the US.

The acceptability and feasibility of a pilot study examining the impact of a mobile technology-based intervention informed by behavioral economics to improve HIV knowledge and testing frequency among Latinx sexual minority men and transgender women

Background

We developed a novel intervention that uses behavioral economics incentives and mobile-health text messages to increase HIV knowledge and testing frequency among Latinx sexual minority men and Latinx transgender women. Here we provide a theoretically-grounded assessment regarding the intervention’s acceptability and feasibility.

Methods

We conducted 30-min exit interviews with a stratified sample of participants (n = 26 Latinx sexual minority men, 15 Latinx transgender women), supplemented with insights from study staff (n = 6). All interviews were recorded, transcribed, and translated for a content analysis using Dedoose. Cohen’s Kappa was 89.4% across coded excerpts. We evaluated acceptability based on how participants cognitively and emotionally reacted to the intervention and whether they considered it to be appropriate. We measured feasibility based on resource, scientific and process assessments (e.g., functionality of text messaging service, feedback on study recruitment procedures and surveys).

Results

Regarding acceptability, most participants clearly understood the intervention as a program to receive information about HIV prevention methods through text messages. Participants who did not complete the intervention shared they did not fully understand what it entailed at their initial enrollment, and thought it was a one-time engagement and not an ongoing program. Though some participants with a higher level of education felt the information was simplistic, most appreciated moving beyond a narrow focus on HIV to include general information on sexually transmitted infections; drug use and impaired sexual decision-making; and differential risks associated with sexual positions and practices. Latinx transgender women in particular appreciated receiving information about Pre-Exposure Prophylaxis. While participants didn’t fully understand the exact chances of winning a prize in the quiz component, most enjoyed the quizzes and chance of winning a prize. Participants appreciated that the intervention required a minimal time investment. Participants shared that the intervention was generally culturally appropriate. Regarding feasibility, most participants reported the text message platform worked well though inactive participants consistently said technical difficulties led to their disengagement. Staff shared that clients had varying reactions to being approached while being tested for HIV, with some unwilling to enroll and others being very open and curious about the program. Both staff and participants relayed concerns regarding the length of the recruitment process and study surveys.

Conclusions

Our theoretically-grounded assessment shows the intervention is both acceptable and feasible.

Trial registration

The trial was registered on May 5, 2017 with the ClinicalTrials.gov registry [NCT03144336].

Supplementary Information

The online version contains supplementary material available at 10.1186/s12889-021-10335-5.

HIV Risk-Related Behaviors and Willingness to Use Pre-Exposure Prophylaxis Among Black Americans with an Arrest History

OBJECTIVE

Black individuals in the USA are arrested and incarcerated at a significantly higher rate than White individuals, and incarceration is associated with increased HIV vulnerability. Pre-exposure prophylaxis (PrEP) reduces the risk for HIV transmission, but little is known about the relationship between HIV risk behavior and willingness to use PrEP among Black individuals with an arrest history.

METHOD

A total of 868 individuals completed a nationally representative survey and provided baseline data on sexual risk. Participants were grouped as those with a history of arrest (N = 226) and those with no history of arrest (N=619) based on self-reported arrest history. Our study examined HIV risk behaviors associated with willingness to use PrEP between those with arrest history and those without arrest history.

RESULTS

Participants with an arrest history were more likely to have a lifetime history of anal sex (p<0.0001) and sexually transmitted diseases (p=0.0007). A history of multiple sexual partners in the past 3 months was associated with PrEP willingness in individuals with an arrest history [aPR 2.61 (1.77, 3.85), p<0.0001], adjusting for other covariates in the model.

CONCLUSIONS

Differences in risk behavior and willingness to use PrEP exist by arrest history. Understanding these risk behaviors are necessary to increase access to PrEP. PrEP uptake and adherence interventions, when recommended and made available for individuals at substantive risk of HIV infection at the time of arrest and during incarceration, are essential to reducing the spread of HIV in correctional facilities and in communities to which they return.

Mental Health, Social Influences, and HIV Pre-exposure Prophylaxis (PrEP) Utilization Among Men and Transgender Individuals Screening for HIV Prevention Trials

The effects of mental health comorbidities and social support on the HIV pre-exposure prophylaxis (PrEP) care continuum are unknown. We conducted a cross-sectional study of men and transgender individuals, ≥ 18 years-old, with ≥ 2 male or transgender partners, or recent condomless anal intercourse. Surveys assessed demographics, mental health treatment, depressive symptomatology, social support, and PrEP-related social contacts. Logistic regression assessed associations between these factors and PrEP uptake and persistence. Participants (n = 247) were 89% cis-male and 46% African-American. Median age was 27 (IQR:23-33). Thirty-seven percent had ever used PrEP, of whom 18% discontinued use. High depressive symptomology was identified in 11% and 9% were receiving mental health treatment. There were no significant associations between depressive symptoms or mental health treatment on the odds of PrEP uptake or discontinuation. Each additional PrEP contact conferred a greater odds of uptake (aOR:1.24, 95% CI: 1.09-1.42). Network-level targets may produce fruitful interventions to increase PrEP uptake.

African American Women's Current Knowledge, Perceptions, and Willingness of PrEP Use for HIV Prevention in the South

African American women accounted for approximately 60% of new HIV diagnoses among women in the United States, with the greatest burden occurring in the South. Past efforts to prevent HIV focused on behavioral interventions aimed at reducing sexual risk behavior. More recent HIV prevention methods have included oral pre-exposure prophylaxis (PrEP) with antiretroviral drugs. Although PrEP has been designated as an effective HIV prevention method since 2012, awareness and uptake of PrEP remains low among African American women. Our study explored African American women's knowledge, perceptions, and willingness of PrEP use. Four focus groups were held in April 2019, consisting of 27 women, who identified as African American and resided in South Carolina. Focus group topics focused on participants' awareness, perceptions, and potential use of PrEP. The majority of women had heard of PrEP; however, over half of the participants were in the HIV or health field. Overall, participants believed that the "lay woman" would be unaware of PrEP. Participants' perceptions of PrEP included stigma of PrEP use, benefits to non-monogamous couples, and experiences with PrEP clients. The majority of women were willing to use PrEP, but major concerns around short and long-term side effects were expressed. Participants provided recommendations to improve PrEP uptake among African American women that included targeted campaigns and spokespersons. African American women are interested and supportive of PrEP use for HIV prevention in the South, where HIV rates remain highest. Past PrEP implementation efforts have not been relatable to African American women; therefore, awareness and uptake rates remain low. Future efforts to increase PrEP awareness and uptake among African American women should be relevant, and should provide comprehensive information on potential side effects, purpose of use, and eligibility criteria.

Pre-exposure Prophylaxis Knowledge and Use Among Men Who Have Sex With Men in a Small Metropolitan Region of the Southeastern United States

Men who have sex with men (MSM) in the southeastern United States continue to be at high risk for HIV. Pre-exposure prophylaxis (PrEP) provides effective prevention, but PrEP awareness varies across communities. We assessed sexual risk, HIV/sexually transmitted infection (STI) testing history, health care experiences associated with PrEP awareness, provider discussions, and PrEP use in a sample of 164 MSM in the Central Savannah River Area of the South. Results revealed that 80.5% of participants were aware of PrEP, 16.4% had discussed PrEP with a provider, and 9.2% had used PrEP. Education, gay identity, HIV status, recent HIV testing, and lack of provider awareness about sexual minorities independently predicted PrEP awareness. Recent STI testing independently predicted increased odds of PrEP discussion. Recent HIV and STI testing and non-White identity were associated with PrEP use. Effective, tailored marketing, provider competence, and open communication can increase PrEP adoption by southern MSM.

A review of HIV pre-exposure prophylaxis (PrEP) programmes by delivery models in the Asia-Pacific through the healthcare accessibility framework

INTRODUCTION

In the Asia-Pacific, pre-exposure prophylaxis (PrEP) is a newly introduced public health intervention for minimizing HIV transmission, the coverage of which has remained limited. The best delivery models and strategies for broadening access of the vulnerable communities are not fully known. This review identified PrEP programmes reported in the Asia-Pacific, which were classified by delivery models and assessed with a healthcare accessibility framework.

METHODS

We performed a literature search on PubMed and Ovid MEDLINE using relevant search terms, manual searched grey literature by visiting relevant websites, examined reference lists and contacted authors for clarification of included PrEP programmes reported through July 2019. A structured table was used for data extraction and summarizing findings in accordance with the five constructs of approachability, acceptability, availability, affordability and appropriateness grounded in the conceptual framework of Healthcare Accessibility.

RESULTS AND DISCUSSION

This literature search yielded a total of 1308 publications; 119 full texts and abstracts were screened, and 24 publications were included in the review. We identified 11 programmes implemented in seven cities/countries in the Asia-Pacific. A typology of four PrEP delivery models was delineated: (a) fee-based public service model; (b) fee-based community setting model; (c) free public service model; and (d) free community setting model. Overall, the free community setting model was most commonly adopted in the Asia-Pacific, with the strength to boost the capacity of facility and human resources, which enhanced "approachability", "availability" and "acceptability." The free public service model was characterized by components designed in improving "approachability," "availability" and "appropriateness," with attention on equity in accessing PrEP. Among free-based models, long-term affordability both to the government and PrEP users would need to be maximized to increase accessibility. Alongside the need for raising awareness, supportive environments and ensuring timely access were means for enabling the development of a sustainable PrEP service.

CONCLUSION

PrEP programmes could be classified by delivery models through the five constructs of healthcare accessibility. While the coverage of PrEP remains limited in the Asia-Pacific, an evaluation of these models could benchmark best practices, which would in turn allow effective models to be designed.

Health Care Provider Perspectives on Pre-exposure Prophylaxis: A Qualitative Study

Although pre-exposure prophylaxis (PrEP) requires a prescription from a health care provider, we lack unanimity in guidelines for the identification of the ideal provider type to prescribe PrEP. The purpose of our study was to understand clinician perspectives on provider categories to determine who is best suited to prescribe this medication to HIV-uninfected patients. We conducted 28 in-depth interviews between September 2017 and January 2018 with current prescribers of PrEP. Qualitative findings indicated that providers were split on recommended PrEP prescriber type. Five themes emerged that centered on the explicit identification of the issue of opportunity for providers to educate their patients on PrEP and offer this medication to at-risk populations. To effectively maximize presentation for care and subsequently amplify uptake of PrEP, growing the base of providers who offer PrEP to eligible patients can provide a meaningful public health impact on reducing HIV incidence.

Interprofessional Collaboration Improves the Odds of Educating Patients About PrEP over Time

BACKGROUND

Low levels of pre-exposure prophylaxis (PrEP) uptake continue among the most vulnerable (e.g., men who have sex with men) for HIV exposure in the USA. Providers of social and public health services ("psychosocial providers") can help improve this situation by educating patients about PrEP before linking them to primary care providers (PCPs).

OBJECTIVE

To identify predictors of psychosocial providers offering PrEP education to patients vulnerable to HIV infection by determining the frequency with which psychosocial providers offer PrEP education to patients.

DESIGN

Longitudinal overview of PrEP implementation in New York City.

PARTICIPANTS

Psychosocial providers of HIV prevention and adjunct treatment services, such as medication adherence counseling in 34 community settings.

MAIN MEASURES

Longitudinal survey data collected in 2014-2016 (baseline) and 2015-2017 (1-year follow-up) from a 5-year longitudinal repeated measures study. Logistic regression modeling tested associations between baseline psychosocial provider-level and organization-level characteristics and frequency of PrEP education at baseline and 1-year follow-up.

KEY RESULTS

Out of 245 participants, the number of psychosocial providers offering PrEP education at least once in the past 6 months increased significantly from baseline (n = 127, 51.8%) to 1-year follow-up (n = 161, 65.7%). Participants with higher odds of offering PrEP education at baseline and at one1-year follow-up were more likely to have reported high levels of interprofessional collaboration (IPC) and were also more likely to have received formal HIV prevention training.

CONCLUSIONS

Both IPC and HIV training are predictive of PrEP education, and this association was maintained over time. We recommend expanding educational outreach efforts to psychosocial providers to further improve PrEP education and also training in interprofessional collaboration. This is an important first step toward linking patients to PCPs who prescribe PrEP and may help improve PrEP uptake.

Community Members' Pre-exposure Prophylaxis Awareness, Attitudes, and Trusted Sources for PrEP Information and Provision, Context Matters Survey, 2015-2016

Men and women of color have had low pre-exposure prophylaxis (PrEP) uptake. How one's preferred source of health information shapes attitudes toward PrEP is unclear. We conducted cross-sectional surveys to assess changes in PrEP awareness, knowledge, and attitudes, trusted sources for PrEP information, and associations between trusted source of information and PrEP knowledge and attitudes. Participants were recruited from six areas served by community health centers in Chicago, IL (two health centers); Jackson, MS; Newark, NJ; Philadelphia, PA; and Washington, D.C. during June-September 2015 (n = 160) and June-September 2016 (n = 200). Participants were Black (74%), heterosexual (81%), and largely unaware of PrEP (72%). Participants who trusted health experts and community organizations for PrEP information had lower percentages of agreeing with statements indicative of negative PrEP attitudes. Interventions that increase PrEP awareness as well as knowledge and favorable attitudes might help increase PrEP use in communities with high HIV prevalence.

Roadblocks to PrEP: What Medical Records Reveal About Access to HIV Pre-exposure Prophylaxis

BACKGROUND

Pre-exposure prophylaxis (PrEP) has been shown to be efficacious in preventing HIV; however, its uptake remains modest. Given that there are fewer cost barriers to receiving PrEP within VHA than via commercial insurance, VHA represents an ideal setting in which to study other barriers that may impact patients seeking PrEP.

OBJECTIVE

We sought to understand potential barriers to obtaining PrEP within the Veterans Health Administration (VHA) through examination of documentation in electronic medical records.

DESIGN

Retrospective structured chart review, including chart abstractions of notes, referrals, and communications; content analysis of charts from a subsample of patients receiving PrEP in VHA.

PARTICIPANTS

One hundred sixty-one patients prescribed PrEP at 90 sites varying in PrEP prescribing rates.

APPROACH

We extracted descriptive information and conducted a qualitative analysis of all PrEP-relevant free-text notes including who initiated the PrEP conversation (patient vs. provider), time interval between request and prescription, reasons for denying PrEP, and patient responses to barriers.

KEY RESULTS

Patients initiated 94% of PrEP conversations and 35% of patients experienced delays receiving PrEP ranging from six weeks to 16 months. Over 70% of cases evidenced barriers to access. Barriers included provider knowledge gaps about PrEP, provider knowledge gaps about VHA systems related to PrEP, confusion or disagreement over clinic purview for PrEP, and provider attitudes or stigma associated with patients seeking PrEP.

CONCLUSIONS

Although PrEP is recommended for HIV prevention in high-risk persons, many PrEP-eligible individuals faced barriers to obtaining a prescription. Current practices place substantial responsibility on patients to request and advocate for this service, in contrast to many other preventive services. Understanding the prevalence and content of PrEP knowledge gaps and attitudinal barriers can inform organizational interventions to increase PrEP access and decrease HIV transmission.

National trends in HIV pre-exposure prophylaxis awareness, willingness and use among United States men who have sex with men recruited online, 2013 through 2017

INTRODUCTION

Pre-exposure prophylaxis (PrEP) is a key HIV prevention technology, and is a pillar of a comprehensive HIV prevention approach for men who have sex with men (MSM). Because there have been no national data to characterize trends in the PrEP continuum in the United States, overall and for key demographic groups of MSM, we aimed to describe the extent to which PrEP awareness, willingness and use changed over time, overall and for specific groups of MSM critical for HIV prevention (e.g. Black and Hispanic MSM, younger MSM, MSM in rural areas and MSM without health coverage).

METHODS

The American Men's Internet Survey (AMIS) is an annual survey of US MSM conducted in the United States among MSM aged ≥15 years since 2013. We analysed data on trends in elements of the PrEP continuum (awareness, willingness and use of PrEP) in a sample of 37,476 HIV-negative/unknown status MSM from December 2013 through November 2017. We evaluated trends in continuum steps overall and among demographic subgroups using Poisson models with Generalized Estimating Equations. For 2017 data, we used logistic regression to compare the prevalence of PrEP use among demographic groups.

RESULTS

Overall, 51.4% (n = 19,244) of AMIS respondents were PrEP-eligible across study years. Between 2013 and 2017, PrEP awareness increased from 47.4% to 80.6% willingness to use PrEP increased from 43.9% to 59.5% and PrEP use in the past 12 months increased from 1.7% to 19.9%. In 2017, use of PrEP was lower for men who were younger, lived outside of urban areas, and lacked health insurance; PrEP use was not different among Black, Hispanic and white MSM.

CONCLUSIONS

Our data show progress in use of PrEP among US MSM, but also reveal mismatches between PrEP use and epidemic need. We call for additional support of PrEP initiation, especially among young, non-urban and uninsured MSM. Black and Hispanic MSM report levels of PrEP use no different from white MSM, but given higher HIV incidence for Black and Hispanic MSM, parity in use is not sufficient for epidemic control or health equity.

Intimate Partner Violence Influences Women's Engagement in the Early Stages of the HIV Pre-exposure Prophylaxis (PrEP) Care Continuum: Using Doubly Robust Estimation

Intimate partner violence (IPV) is associated with pre-exposure prophylaxis (PrEP) acceptability among US women, but whether IPV influences other steps along the PrEP care continuum remains unclear. This study estimated the causal effects of IPV on the early stages of the PrEP care continuum using doubly robust (DR) estimation (statistical method allowing causal inference in non-randomized studies). Data were collected (2017-2018) from a cohort study of 124 US women without and 94 women with IPV experiences in the past 6 months (N = 218). Of the 218 women, 12.4% were worried about getting HIV, 22.9% knew of PrEP, 32.1% intended to use PrEP, and 40.4% preferred an "invisible" PrEP modality. IPV predicts HIV-related worry (DR estimate = 0.139, SE = 0.049, p = 0.004). IPV causes women to be more concerned about contracting HIV. Women experiencing IPV are worried about HIV, but this population may need trauma-informed approaches to help facilitate their PrEP interest and intentions.

Concomitant Utilization of Pre-Exposure Prophylaxis (PrEP) and Meningococcal Vaccine (MenACWY) Among Gay, Bisexual, and Other Men Who Have Sex with Men in Los Angeles County, California

Recent outbreaks of serogroup C meningococcal disease in Southern California have led the California Department of Public Health to recommend the quadrivalent meningococcal vaccine (MenACWY) for gay, bisexual, and other men who have sex with men (GBMSM) in Southern California. High-risk GBMSM have also been advised to utilize pre-exposure prophylaxis (PrEP) for HIV prevention. Data collected from a community-based sample of HIV-negative GBMSM in Los Angeles County (N = 476) were used in a multinomial logit regression analysis to identify patterns in MenACWY and PrEP usage and evaluate factors associated with use of both, one, or neither of these prevention methods. More than half (56%) of participants had neither been vaccinated nor used PrEP. A smaller percentage (34%) had either been vaccinated or were PrEP users, leaving 10% who had concomitant PrEP and MenACWY use. Higher education, more recent sex partners, illicit drug use, and recent receptive condomless anal sex (CAS) were significantly associated with greater odds of using both prevention methods relative to neither. Higher education, prior sexually transmitted infection diagnosis, more recent sex partners, and recent receptive CAS were significantly associated with greater odds of just PrEP use relative to neither. Higher education was the only factor significantly associated with greater odds of just MenACWY immunization relative to neither. Findings highlight important gaps in immunization among PrEP users and opportunities to screen for PrEP eligibility among GBMSM in conjunction with immunization. Public health practitioners should consider the ways in which strategies to increase PrEP and vaccine-preventable illnesses among GBMSM may complement one another.

Social Networks and Its Impact on Women's Awareness, Interest, and Uptake of HIV Pre-exposure Prophylaxis (PrEP): Implications for Women Experiencing Intimate Partner Violence

BACKGROUND

In the United States, women represent less than 5% of all pre-exposure prophylaxis (PrEP) users. Social networks may promote and/or inhibit women's PrEP awareness, which could influence PrEP intentions. Furthermore, women experiencing intimate partner violence (IPV) may have smaller, less supportive networks, which could deter or have no impact on PrEP care engagement. This study examined associations between network characteristics and women's PrEP awareness, interest, uptake, and perceived candidacy and analyzed IPV as an effect modifier.

SETTING/METHODS

From 2017 to 2018, data were collected from a prospective cohort study of 218 PrEP-eligible women with (n = 94) and without (n = 124) IPV experiences in Connecticut. Women completed surveys on demographics, IPV, social networks, and PrEP care continuum outcomes.

RESULTS

Adjusted analyses showed that PrEP awareness related to having more PrEP-aware alters. PrEP intentions related to having more alters with favorable opinions of women's potential PrEP use and a smaller network size. Viewing oneself as an appropriate PrEP candidate related to having more PrEP-aware alters and more alters with favorable opinions of women's potential PrEP use. IPV modified associations between network characteristics and PrEP care. Having members who were aware of and/or used PrEP was positively associated with PrEP care engagement for women without IPV experiences but had either no effect or the opposite effect for women experiencing IPV.

CONCLUSION

Improving PrEP attitudes might improve its utilization among women. Social network interventions might be one way to increase PrEP uptake among many US women but may not be as effective for women experiencing IPV.

The Pre-exposure Prophylaxis (PrEP) Continuum of Care and Correlates to Initiation Among HIV-Negative Men Recruited at Miami Gay Pride 2018

While the national HIV infection rate is decreasing, the highest rates of infections continue among men who have sex with men (MSM), particularly minority MSM. It is important to understand attitudes, knowledge, and behaviors surrounding HIV prevention methods, such as pre-exposure prophylaxis (PrEP). In the present study, we created a snapshot of the PrEP continuum of care and identified participant demographic and sources of PrEP awareness factors that were associated with PrEP initiation. Data were collected using anonymous paper-based surveys employing a venue intercept procedure. A total of 188 HIV-negative men completed the survey at Miami Gay Pride 2018. Participants answered questions regarding demographics, PrEP use, and sources of PrEP awareness. The sample was majority Hispanic (55.4%), gay (83.0%), and single (57.7%). The constructed PrEP continuum revealed that a low proportion of those identified as PrEP naïve (n = 143) for HIV infection had PrEP interest (49/143). Moreover, among those who initiated PrEP (n = 45), a high proportion were retained in a PrEP program (37/45), with approximately half achieving medication adherence (25/45). Age group, PrEP knowledge, and source of PrEP awareness were all significantly associated with PrEP initiation. In areas with high HIV infection rates, studies like these offer crucial insight on how public health practitioners should proceed in the goal of decreasing HIV transmission rates. More research is needed to increase PrEP uptake and adherence.

Racial/ethnic and HIV risk category disparities in preexposure prophylaxis discontinuation among patients in publicly funded primary care clinics

OBJECTIVE

Dissemination of preexposure prophylaxis (PrEP) is a priority for reducing new HIV infections, especially among vulnerable populations. However, there are limited data available on PrEP discontinuation following initiation, an important component of the PrEP cascade.

DESIGN

Patients receiving PrEP within the San Francisco Department of Public Health Primary Care Clinics (SFPCC) are included in a PrEP registry if they received a PrEP prescription, were not receiving postexposure prophylaxis, and not known to be HIV-positive.

METHODS

We calculated PrEP discontinuation for patients initiating PrEP at any time from January 2012 to July 2017 and evaluated their association with demographic and risk variables using Cox regression analysis.

RESULTS

Overall, 348 patients received PrEP over the evaluation period. The majority (84%) were men, and the cohort was racially/ethnically diverse. The median duration of PrEP use was 8.3 months. In adjusted analysis, PrEP discontinuation was lower among older patients (aHR 0.89; 95% CI 0.80-0.99; P = 0.03); but higher among black patients (compared with white patients; aHR 1.87; 95% CI 1.27-2.74; P = 0.001), patients who inject drugs (aHR 4.80; 95% CI 2.66-8.67; P < 0.001), and transgender women who have sex with men (compared with MSM; aHR 1.94; 95% CI 1.36-2.77; P < 0.001).

CONCLUSION

Age, racial/ethnic, and risk category disparities in PrEP discontinuation were identified among patients in a public health-funded primary care setting. Further efforts are needed to understand and address PrEP discontinuation among priority populations to maximize the preventive impact of PrEP, and reverse HIV-related disparities at a population level.

Early Adopters of Human Immunodeficiency Virus Preexposure Prophylaxis in a Population-based Combination Prevention Study in Rural Kenya and Uganda

Background

Global guidelines recommend preexposure prophylaxis (PrEP) for individuals with substantial human immunodeficiency virus (HIV) risk. Data on PrEP uptake in sub-Saharan Africa outside of clinical trials are limited. We report on "early adopters" of PrEP in the Sustainable East Africa Research in Community Health (SEARCH) study in rural Uganda and Kenya.

Methods

After community mobilization and PrEP education, population-based HIV testing was conducted. HIV-uninfected adults were offered PrEP based on an empirically derived HIV risk score or self-identified HIV risk (if not identified by score). Using logistic regression, we analyzed predictors of early PrEP adoption (starting PrEP within 30 days vs delayed/no start) among adults identified for PrEP.

Results

Of 21212 HIV-uninfected adults in 5 communities, 4064 were identified for PrEP (2991 by empiric risk score, 1073 by self-identified risk). Seven hundred and thirty nine individuals started PrEP within 30 days (11% of those identified by risk score; 39% of self-identified); 77% on the same day. Among adults identified by risk score, predictors of early adoption included male sex (adjusted odds ratio 1.53; 95% confidence interval, 1.09-2.15), polygamy (1.92; 1.27-2.90), serodiscordant spouse (3.89; 1.18-12.76), self-perceived HIV risk (1.66; 1.28-2.14), and testing at health campaign versus home (5.24; 3.33-8.26). Among individuals who self-identified for PrEP, predictors of early adoption included older age (2.30; 1.29-4.08) and serodiscordance (2.61; 1.01-6.76).

Conclusions

Implementation of PrEP incorporating a population-based empiric risk score, self-identified risk, and rapid initiation, is feasible in rural East Africa. Strategies are needed to overcome barriers to PrEP uptake, particularly among women and youth.

Clinical Trials Registration

NCT01864603.

Social determinants of self-reported pre-exposure prophylaxis use among a national sample of US men who have sex with men

PURPOSE

Various disparities exist in HIV transmission among men who have sex with men (MSM). Pre-exposure prophylaxis (PrEP) has been shown to decrease the acquisition of HIV, but there is variation in uptake within the MSM population. We aim to characterise PrEP use and correlates of self-reported PrEP use in a large national sample of urban MSM in the USA.

METHODS

Using data from a geosocial-networking application, a national sample (n=3744) from the largest 50 metropolitan centres in the USA was obtained.

RESULTS

We found 18.1% (95% CI 16.8 to 19.3) of profiles reported using PrEP, with decreased reported PrEP use in younger MSM aged 18-24 years (adjusted OR (aOR)=0.5, 95% CI 0.3 to 0.7), obese MSM (aOR=0.5, 95% CI 0.3 to 0.9), black MSM (aOR=0.6, 95% CI 0.4 to 0.9) and MSM in the South (aOR=0.7, 95% CI 0.5 to 0.9).

CONCLUSION

Significant disparities exist in PrEP reporting by age and among black, Southern US and obese MSM. More research is needed to better understand these disparities.

Knowledge and Acceptability of HIV pre-exposure prophylaxis (PrEP) among men who have sex with men (MSM) in Ghana

In Ghana, men who have sex with men (MSM) are disproportionately affected by HIV. Pre-exposure prophylaxis (PrEP) is a biomedical intervention that reduces the risk of HIV infection but is not currently available in Ghana. This paper explores knowledge and acceptability of HIV PrEP among Ghanaian MSM. Qualitative content analysis was conducted on 22 focus group discussions (N = 137) conducted between March and June 2012 in Accra, Kumasi, and Manya Krobo. Overall, participants reported low knowledge of PrEP. However, once information about PrEP was provided, there was high acceptability. The primary reason for acceptability was that PrEP provided an extra level of protection against HIV. Acceptability of PrEP was conditioned on it having minimal side effects, being affordable and efficient in preventing HIV infection. No acceptability of PrEP was attributed to limited knowledge of side effects and perceived lack of effectiveness. The reasons provided to utilize PrEP and condoms were that condoms protect against other STIs, and sexual partner factors. This is the first known study to explore PrEP knowledge and acceptability among Ghanaian MSM. It is important that key stakeholders preemptively address potential barriers to PrEP acceptability, uptake, and adherence, especially among MSM, once PrEP becomes available in Ghana.

Awareness and Acceptability of pre-exposure prophylaxis (PrEP) among gay, bisexual and other men who have sex with men (GBMSM) in Kenya

Kenyan gay, bisexual, and other men who have sex with men (GBMSM) are significantly affected by HIV. Pre-exposure prophylaxis (PrEP) is an effective biomedical approach to HIV prevention. We conducted a cross-sectional survey of 459 HIV-negative Kenyan GBMSM to assess individual and interpersonal correlates of PrEP awareness/acceptability using univariate and hierarchical logistic regression modeling. We found that 64.3% of participants had heard of PrEP and 44.9% were willing to use PrEP. In hierarchical logistic regression models for PrEP awareness, condom use with regular partners, higher condom use self-efficacy, higher perceived ability to use PrEP, history of STI, and membership in LGBT organization were significantly associated with being aware of PrEP (χ2 = 69.6, p < .001). In hierarchical logistic regression models for PrEP acceptability, higher self-esteem, higher condom use self-efficacy, depression/anxiety, higher perceived ability to use PrEP, willingness to engage in PrEP follow-up visits, coercion at sexual debut, and family exclusion were significantly associated with being acceptable to PrEP (χ2 = 231.8, p < .001). Individual and interpersonal factors were significantly associated with PrEP awareness and acceptability. Our findings underscore the need to promote awareness and understanding of PrEP as an effective HIV prevention tool in combination with other safer-sex methods that are appropriate given an individual's personal circumstances.

Impact of Providing Preexposure Prophylaxis for Human Immunodeficiency Virus at Clinics for Sexually Transmitted Infections in Baltimore City: An Agent-based Model

BACKGROUND

Preexposure prophylaxis (PrEP) greatly reduces the risk of human immunodeficiency virus (HIV) acquisition, but its optimal delivery strategy remains uncertain. Clinics for sexually transmitted infections (STIs) can provide an efficient venue for PrEP delivery.

METHODS

To quantify the added value of STI clinic-based PrEP delivery, we used an agent-based simulation of HIV transmission among men who have sex with men (MSM). We simulated the impact of PrEP delivery through STI clinics compared with PrEP delivery in other community-based settings. Our primary outcome was the projected 20-year reduction in HIV incidence among MSM.

RESULTS

Assuming PrEP uptake and adherence of 60% each, evaluating STI clinic attendees and delivering PrEP to eligible MSM reduced HIV incidence by 16% [95% uncertainty range, 14%-18%] over 20 years, an impact that was 1.8 (1.7-2.0) times as great as that achieved by evaluating an equal number of MSM recruited from the community. Comparing strategies where an equal number of MSM received PrEP in each strategy (ie, evaluating more individuals for PrEP in the community-based strategy, because MSM attending STI clinics are more likely to be PrEP eligible), the reduction in HIV incidence under the STI clinic-based strategy was 1.3 (1.3-1.4) times as great as that of community-based delivery.

CONCLUSIONS

Delivering PrEP to MSM who attend STI clinics can improve efficiency and effectiveness. If high levels of adherence can be achieved in this population, STI clinics may be an important venue for PrEP implementation.

Long-term retention in pre-exposure prophylaxis care among men who have sex with men and transgender women in the United States

INTRODUCTION

Retention in HIV pre-exposure prophylaxis (PrEP) care in real-world settings, outside of controlled trials or demonstration projects, remains poorly understood.

METHODS

We evaluated retention in PrEP care outcomes among men who have sex with men (MSM) and transgender women prescribed PrEP through March 2017 at three clinical sites in the United States (US): Jackson, Mississippi; Providence, Rhode Island; and St. Louis, Missouri. We determined retention rates by attendance of clinical visits every three months, per US Centers for Disease Control and Prevention (CDC) guidelines, as well as by the timing of patients' actual clinical visits. Multivariable analyses examined demographic and behavioural factors associated with retention.

RESULTS

From 2013 to 2015, 282 MSM and transgender women were prescribed PrEP; 82% attended a follow-up visit. Based on CDC recommendations, 56% of patients were retained in PrEP care at the first follow-up visit, having attended a visit three months after initiation. However, 76% had a follow-up visit within eight months. Thirty-percent were retained at 12 months by CDC criteria, but 62% were retained when using a 16-month endpoint. Self-reported adherence was strongly correlated with retention. In multivariable analyses, younger age was associated with decreased odds of retention at initial follow-up, and completing college was associated with increased odds of retention at 16 months. Eight participants were newly diagnosed with HIV; six were African American, and seven were under 30 years of age.

CONCLUSIONS

Measuring retention in PrEP care using three-month follow-up intervals may underestimate true retention. Nevertheless, retention in PrEP care is suboptimal in real-world settings and should be the focus of future interventions.

Long-term retention in pre-exposure prophylaxis care among men who have sex with men and transgender women in the United States

INTRODUCTION

Retention in HIV pre-exposure prophylaxis (PrEP) care in real-world settings, outside of controlled trials or demonstration projects, remains poorly understood.

METHODS

We evaluated retention in PrEP care outcomes among men who have sex with men (MSM) and transgender women prescribed PrEP through March 2017 at three clinical sites in the United States (US): Jackson, Mississippi; Providence, Rhode Island; and St. Louis, Missouri. We determined retention rates by attendance of clinical visits every three months, per US Centers for Disease Control and Prevention (CDC) guidelines, as well as by the timing of patients' actual clinical visits. Multivariable analyses examined demographic and behavioural factors associated with retention.

RESULTS

From 2013 to 2015, 282 MSM and transgender women were prescribed PrEP; 82% attended a follow-up visit. Based on CDC recommendations, 56% of patients were retained in PrEP care at the first follow-up visit, having attended a visit three months after initiation. However, 76% had a follow-up visit within eight months. Thirty-percent were retained at 12 months by CDC criteria, but 62% were retained when using a 16-month endpoint. Self-reported adherence was strongly correlated with retention. In multivariable analyses, younger age was associated with decreased odds of retention at initial follow-up, and completing college was associated with increased odds of retention at 16 months. Eight participants were newly diagnosed with HIV; six were African American, and seven were under 30 years of age.

CONCLUSIONS

Measuring retention in PrEP care using three-month follow-up intervals may underestimate true retention. Nevertheless, retention in PrEP care is suboptimal in real-world settings and should be the focus of future interventions.

Pre-exposure Prophylaxis (PrEP) Awareness and Use Within High HIV Transmission Networks

Improved implementation of pre-exposure prophylaxis (PrEP) should be a valuable tool within communities experiencing high HIV incidence, such as black men who have sex with men (MSM). Using baseline data from the Chicago arm of the Transmission Reduction Intervention Project (TRIP), we examined awareness and use of PrEP within HIV potential transmission networks. Transmission Reduction Intervention Project recruited participants ages 18-69 (N = 218) during 2014-2016 from networks originating from recently and chronically HIV-infected MSM and transgender persons. In total, 53.2% of participants had heard of PrEP, while 8 (6.5%) HIV-negative participants reported ever using PrEP. In multivariable regression, PrEP awareness was associated with identifying as gay, attending some college or higher, having an HIV test in the previous 6 months, and experiencing HIV-related social support. PrEP awareness was not associated with experiencing or observing HIV-related stigma. PrEP use was associated with participants knowing two or more other PrEP-users. These findings demonstrate moderate awareness, but low uptake of PrEP within HIV potential transmission networks in Chicago. Future research should explore how to increase PrEP use in these networks and investigate the social dynamics behind our finding that PrEP users are more likely to know other PrEP users.