Bridging barriers to clinic-based HIV testing with new technology: translating self-implemented testing for African American youth

Testing a Push-Pull model: community-based dissemination of oral HIV self-testing

BACKGROUND

The Push-Pull-Infrastructure (PPI) model is proposed as a strategy for disseminating health innovations. Using a PPI model, we developed and examined the feasibility of a community-based intervention to disseminate oral human immunodeficiency virus (HIV) self-testing (OHST) to men who have sex with men in Portland, OR.

METHODS

We disseminated OHST kits through a network of commercial businesses (n = 6) serving the Lesbian, Gay, Bisexual, Transgender, and Queer plus community. Data were collected weekly on the number of kits distributed. Street intercepts were conducted with customers to assess the impact of promotional efforts on intervention awareness. Using a quasi-experimental design, we examined variation in the intensity of the promotional component on OHST dissemination.

RESULTS

Over a 24-week period, we disseminated 2698 OHSTs. Dissemination rates were found to vary significantly with the intensity of the promotional campaign in a dose-response manner (e.g. high intensity = more dissemination). Customer awareness of the campaign increased significantly in the first 9 weeks (from 22% to 60%, P < .001). Within the geographic area studied, we found our dissemination rate to be comparable to or in excess of rates obtained by other county-level HIV-testing programs (i.e. 2698 OHSTs vs. 2561 in-person clinic-based tests; vs. 78 OHSTs disseminated online).

CONCLUSIONS

A PPI model based on a community commercial network approach was highly successful. The promotional component successfully increased customers' awareness of the intervention. Formative work, using a single-case changing-intensity design, provided evidence that warrants more extensive research on strategies for mounting a promotional component that builds on the principle of "more for less."

Factors associated with HIV self-testing and PrEP use among Nigerian youth: Baseline outcomes of a pragmatic, stepped-wedge, cluster-randomized controlled trial

INTRODUCTION

Adolescents and young adults (AYA, 14-24 years) bear a disproportionate burden of new HIV infections in Nigeria and are more likely to have worse HIV outcomes compared to other age groups. However, little is known about their access to recommended sexual health care services, including HIV self-testing (HIVST), sexually transmitted infections (STI) testing, sexual behavior patterns, awareness and or access to pre-exposure prophylaxis (PrEP), and overall risk for HIV.

METHODS

We present a baseline analysis of the 4 Youth by Youth randomized controlled trial aimed to evaluate the uptake and sustainability of crowdsourced HIVST strategies led by and for young people across 14 states in Nigeria. None of the participants had received intervention at the time of completing this self-reported behavioral survey. We conducted a descriptive analysis to summarize participants' characteristics, sexual behavior, HIV testing, STI testing, and knowledge of PrEP and use across the study sample of the AYAs. We conducted a chi-square test, and the level of significance was set at ≤0.05.

RESULTS

A total of 1551 participants completed the baseline survey comprising males (777, 50.1 %) and females (774, 49.9 %). The majority (77 %) of the participants were students at enrollment. Very few of the participants had ever tested for syphilis, 47 (3.1 %), gonorrhea, 49 (3.2 %), chlamydia, 31 (2.0 %), and hepatitis B, 106 (6.9 %). 678 (43.8 %) of the participants reported to be sexually active at the time of enrolment into the study, of which about 38 % of them engaged in condomless sex. Paying for sex, alcohol use, and drug use are all significant sexual behaviors (p < 0.01). Only 14 (1 %) have ever used PrEP. 481 (31.4 %) have ever tested for HIV, and 104 (6.8 %) have ever used an HIV self-testing kit at baseline. 457 (38.6 %) were eligible for PrEP.

CONCLUSIONS

HIVST and STI uptake were low at baseline among the AYA in this study. Most AYAs also do not receive recommended sexual health care services, including STI testing services. This underlines the need for interventions to increase the uptake of HIV/STI prevention services among Nigerian AYA.

Awareness and willingness to use HIV self-testing among people who inject drugs in Iran

BACKGROUND

Most people who inject drugs (PWID) in Iran have not undergone recent HIV testing. While PWID face barriers when seeking HIV testing at health facilities, HIV self-testing (HIVST) could be a promising approach to improve HIV testing uptake. We examined the awareness and willingness to use HIVST among PWID in Iran. We also identified participants' characteristics associated with a higher willingness to use HIVST.

METHODS

PWID were recruited in 11 cities using a respondent-driven sampling method. Willingness to use HIVST was defined as a binary variable (very low/low willingness vs. high/very high willingness). We performed multivariable modified Poisson regression to examine associated factors and report adjusted prevalence ratios (aPR) and 95% confidence intervals (CI).

RESULTS

Of 2,252 PWID, 362 (16.2%; 95% CI 14.7, 17.8) had ever heard of HIVST; however, 1,658 (73.6%; 95% CI 71.7, 75.4) reported high/very high willingness to use HIVST. Willingness to use HIVST was higher among PWID who reported having a high/moderate HIV risk perception (aPR 1.22; 95% CI 1.09, 1.37), ever experiencing homelessness (aPR 1.15; 95% CI 1.03, 1.28), > 10 years of injecting history (aPR 1.16; 95% CI 1.00, 1.34), and high injection frequency in the last three months (aPR 1.18; 95% CI 1.05, 1.32).

CONCLUSION

Most PWID in Iran, particularly those experiencing homelessness, have a longer injecting history, engage in more frequent injection practices, and possess a heightened perception of HIV risk would be willing to adopt HIVST. Enhancing HIVST awareness through increased access to HIVST and health education programs are needed. Additionally, conducting implementation science studies to effectively design and run HIVST programs in Iran can also increase PWID's access to HIV testing.

Patients' and Providers' Views on Optimal Evidence-Based and Scalable Interventions for Individuals at High Risk of HIV Treatment Failure: Sequential Explorations Among Key Stakeholders in Cape Town, South Africa

To support translation of evidence-based interventions into practice for HIV patients at high risk of treatment failure, we conducted qualitative research in Cape Town, South Africa. After local health officials vetted interventions as potentially scalable, we held 41 in-depth interviews with patients with elevated viral load or a 3-month treatment gap at community clinics, followed by focus group discussions (FGDs) with 20 providers (physicians/nurses, counselors, and community health care workers). Interviews queried treatment barriers, solutions, and specific intervention options, including motivational text messages, data-informed counseling, individual counseling, peer support groups, check-in texts, and treatment buddies. Based on patients' preferences, motivational texts and treatment buddies were removed from consideration in subsequent FGDs. Patients most preferred peer support groups and check-in texts while individual counseling garnered the broadest support among providers. Check-in texts, peer support groups, and data-informed counseling were also endorsed by provider sub-groups. These strategies warrant attention for scale-up in South Africa and other resource-constrained settings.

A Scoping Review of Patient Preferences for HIV Self-Testing Services in the United States: Implications for Harm Reduction

PURPOSE

Despite marked progress in the ability to test for, treat, and prevent HIV, the epidemic remains a significant public health concern, especially among key populations including prisoners; sex workers; transgender individuals; gay, bisexual, and other men who have sex with men (MSM); and Black and Latinx MSM. This scoping review was conducted to provide an overview of the current research describing patient preferences for HIVST in the United States to understand what key populations value about HIVST and why they are willing to use it. A targeted search for published literature on patient preferences for HIVST was conducted using Ovid Medline, PsychINFO, and an HIVST research database.

RESULTS

We reviewed 700 abstracts and 139 full texts. We found 19 articles published between January 2014 and April 2020 that included findings related to HIVST preferences. Overall, HIVST was preferred to more traditional testing. Six primary factors emerged as important HIVST values including: 1) convenience, 2) type of test; 3) cost, 4) stigma reduction, 5) risk reduction, and 6) self-control. Linkage to care was also identified as a key factor when considering HIVST as an option. Much of what makes HIVST attractive to individuals is their ability to self-determine how HIVST can be best integrated into their lives as a harm reduction tool for stigma and sexual risk mitigation.

CONCLUSION

While there is substantial evidence suggesting HIVST is feasible for use and there are aspects of HIVST that are beneficial and preferred over traditional testing approaches, there is a lack of rigorous implementation studies exploring how best to scale up HIVST in community settings. HIVST has the potential to be a powerful biobehavioral HIV prevention and harm reduction tool to empower individuals to engage with testing on their own terms while providing pathways to prevention and care support.

Is the Philippines ready for HIV self-testing?

BACKGROUND

The Philippines is facing a rapidly rising HIV epidemic among young men who have sex with men (MSM). Testing rates among young populations is poor. HIV self-testing (HIVST) is a promising strategy to address this testing gap. The study's purpose was to explore the perceived acceptability, feasibility and programmatic challenges of HIVST among key informants and target users.

METHOD

A qualitative study involving semi-structured interviews and focus group discussions (FGD). We interviewed 15 key informants involved with HIV testing programs or policies and 42 target users in six FGD in Metro Manila. We held separate discussions with high socio-economic MSM (n = 12), urban poor MSM (n = 15) and transgender women (TGW) (n = 15). Results were analysed using a thematic framework approach.

RESULTS

MSM and TGW welcomed the convenience and privacy HIVST could provide. They preferred an inexpensive accurate blood-based kit attained from reputable sites. Key informants at national and local level equally welcomed HIVST but identified a number of policy and regulatory issues. Both groups articulated the challenge of enrolling those who test reactive using HIVST to further testing and treatment in an environment characterised by acute stigma around HIV.

CONCLUSIONS

HIVST was found to be highly acceptable to target users and was welcomed as an additional testing approach at national level. Strategic alliances are now needed between stakeholders to proactively deliver a patient-centred HIVST program that could provide an effective, safe means of increasing testing coverage in this escalating context.

Low partner testing in high HIV prevalence setting in Freetown, Sierra Leone: a retrospective study

OBJECTIVE

Despite a 1.5% National HIV prevalence, less than 40% of people living with HIV in Sierra Leone know their status. Limited activities on testing partners of HIV patients could be contributory to this substantial unawareness of HIV status. We carried out a retrospective study aimed at assessing partner testing and HIV prevalence among adults (≥ 15 years) tested using Determine™ and SD Bioline as recorded in the HIV testing registers from January to December 2017 at Connaught Hospital, an urban tertiary hospital in Sierra Leone.

RESULTS

Of the 3808 clients tested for HIV, 2048 (53.8%) were females. The median age was 31 (IQR 24-42) years and 2104 (55.3%) were single. While 3014 (79.1%) had Provider-Initiated Testing and Counseling (PITC), 794 (20.9%) had Client-Initiated Testing and Counseling (CITC). HIV test was positive in 925 (24.3%) {CI 22.9-25.6, P < 0.001} clients. Of the 17 (0.4%) partners tested for HIV, 9 (52.9%) were positive. PITC yielded more HIV positive cases (760, 25.2%) than CITC (165, 20.8%). Partner testing (P = 0.007), female sex (P < 0.001) and PITC (P = 0.006) were associated with a positive HIV diagnosis. With high HIV prevalence and low partner testing, activities on partner testing are needed to improve the response to the epidemic.

Perceptions and attitudes towards acceptability of HIV self-testing among female sex workers in Selibe Phikwe, Botswana

Background: Sub-Saharan Africa accounts for 71% of the global burden of HIV infection. For the general population of Botswana, the estimated HIV prevalence is 18.5%; for female sex workers it is 61.9%. This study explored and documented female sex workers' perceptions and attitudes towards the acceptability of HIV self-testing in Selibe Phikwe, north-eastern Botswana. Methods: Purposive convenience sampling and snowballing approaches were used to recruit 17 participants into the study which was carried out in collaboration with a community-based organisation, the Silence Kills Support Group. Two focus group discussions and five in-depth interviews were conducted. Information was collected on female sex workers' awareness of HIV self-testing, their willingness to use it, their preferred distribution model, and their preferred test kit. Themes and subthemes that emerged were interpreted based on the Integrated Behavioural Model. Results: HIV self-testing (HIVST) was not known to most participants. Participants expressed negative attitude towards HIVST due to a lack of knowledge and confidence to carry out self-testing independently. Participants preferred facility-based services and a blood test over HIVST. Inadequate post-test counselling and lack of assisted HIVST were among their major concerns. Raising community awareness of HIVST through education was suggested. Conclusion: Improving the uptake of HIVST will require community sensitization, the availability of counselling services, close follow-ups, and the introduction of assisted HIVST approaches.

Screening for HIV and linkage to care in adolescents: insights from a systematic review of recent interventions in high- versus low- and middle-income settings

Introduction

Compared to adults, adolescents and young adults have a higher incidence of HIV infection, yet lower rates of HIV testing. Few evidence-based interventions effectively diagnose new HIV infections among adolescents while successfully providing linkage to care.

Methods

We conducted a systematic review of recent interventions to increase HIV testing among adolescents and young adults using data retrieved from PubMed and Google Scholar, and using abstracts presented at the International AIDS Society conferences and Conference on Retroviruses and Opportunistic Infections published between January 1, 2015, and April 28, 2018.

Results

We identified 36 interventions (N=14 in high- income countries and N=22 in low- and middle-income countries) that were published in the literature (N=28) or presented at conferences (N=8). Interventions were categorized as behavioral/educational, alternate venue/self-testing, youth-friendly services, technology/mobile health, incentives, or peer-based/community-based interventions. The studies consisted of randomized controlled trials (RCTs), prospective and retrospective observational studies, and quasi-experimental/pre-post evaluations with variable sample sizes. Study designs, populations, and settings varied. All categories showed some degree of acceptability, yet not all interventions were effective in increasing HIV testing. Effectiveness was seen in more than one RCT involving technology/mobile health (2/3 RCTs) and alternative venue/self-testing (3/3 RCTs) interventions, and only in one RCT each for behavioral interventions, community interventions, and incentives. There were no effective RCTs for adolescent-friendly services. Data were limited on the number of new infections identified and on the methods to increase linkage to care after diagnosis.

Conclusion

Future studies should include combinations of proven methods for engaging adolescents in HIV testing, while ensuring effective methods of linkage to care.

Ecological Barriers to HIV Service Access among Young Men who have Sex with Men and High-Risk Young Women from Low-resourced Urban Communities

Using an ecological perspective, we sought to elucidate the perceived barriers preventing HIV service access among two groups of U.S. youth (ages 12-24) disproportionately affected by HIV, men who have sex with men and high-risk women. We content analyzed interviews with 318 key informants to identify distinct service barriers. The 29 barriers informants named were organized into six categories (service-seeking demands, stigmas, knowledge and awareness, service quality, powerful opposition, and negative emotions). Findings suggest that barriers impacting access to HIV prevention, testing, and linkage-to-care services are remarkably similar and point to the need for comprehensive approaches to improving youth's access services that address both individual-level barriers and extra-individual barriers simultaneously. Findings can be used to guide future research, programming and interventions to reduce the disproportionate spread of HIV among US youth.

Preferences for Home-Based HIV Testing Among Heterosexuals at Increased Risk for HIV/AIDS: New Orleans, Louisiana, 2013

Participants in the New Orleans arm of the National HIV Behavioral Surveillance of Heterosexuals at Increased Risk for HIV were asked about potential utilization of self-administered home-based tests for HIV. The majority (86%) would use a free home-based test if provided by mail and 99% would seek treatment based on a positive result. In addition, more than half of respondents would return test results in some format to the test provider, whereas most of the remaining participants preferred to discuss results only with their doctor. These findings point toward a potential method for advancing the National HIV/AIDS Strategy.

HIV self-testing values and preferences among sex workers, fishermen, and mainland community members in Rakai, Uganda: A qualitative study

HIV self-testing may encourage greater uptake of testing, particularly among key populations and other high-risk groups, but local community perceptions will influence test uptake and use. We conducted 33 in-depth interviews and 6 focus group discussions with healthcare providers and community members in high-risk fishing communities (including sex workers and fishermen) and lower-risk mainland communities in rural Uganda to evaluate values and preferences around HIV self-testing. While most participants were unfamiliar with HIV self-testing, they cited a range of potential benefits, including privacy, convenience, and ability to test before sex. Concerns focused on the absence of a health professional, risks of careless kit disposal and limited linkage to care. Participants also discussed issues of kit distribution strategies and cost, among others. Ultimately, most participants concluded that benefits outweighed risks. Our findings suggest a potential role for HIV self-testing across populations in these settings, particularly among these key populations. Program implementers will need to consider how to balance HIV self-testing accessibility with necessary professional support.

'I will choose when to test, where I want to test': investigating young people's preferences for HIV self-testing in Malawi and Zimbabwe

OBJECTIVES

The current study identifies young people's preferences for HIV self-testing (HIVST) delivery, determines the relative strength of preferences and explores underlying behaviors and perceptions to inform youth-friendly services in southern Africa.

DESIGN

A mixed methods design was adopted in Malawi and Zimbabwe and includes focus group discussions, in-depth interviews and discrete choice experiments.

METHODS

The current study was conducted during the formative phase of cluster-randomized trials of oral-fluid HIVST distribution. Young people aged 16-25 years were purposively selected for in-depth interviews (n = 15) in Malawi and 12 focus group discussions (n = 107) across countries. Representative samples of young people in both countries (n = 341) were administered discrete choice experiments on HIVST delivery, with data analyzed to estimate relative preferences. The qualitative results provided additional depth and were triangulated with the quantitative findings.

RESULTS

There was strong concordance across methods and countries based on the three triangulation parameters: product, provider and service characteristics. HIVST was highly accepted by young people, if provided at no or very low cost. Young people expressed mixed views on oral-fluid tests, weighing perceived benefits with accuracy concerns. There was an expressed lack of trust in health providers and preference for lay community distributors. HIVST addressed youth-specific barriers to standard HIV testing, with home-based distribution considered convenient. Issues of autonomy, control, respect and confidentiality emerged as key qualitative themes.

CONCLUSION

HIVST services can be optimized to reach young people if products are provided through home-based distribution and at low prices, with respect for them as autonomous individuals.

HIV Self-Testing: a Review of Current Implementation and Fidelity

Oral HIV self-testing is an innovative and potentially high-impact means to increase HIV-case identification globally. As a screening test, oral HIV self-testing offers the potential for increased adoption through greater convenience and privacy, and the potential to increase the proportion of the population who test regularly. Research on how best to translate the innovation of oral self-testing to high-risk populations is underway. Currently only one oral HIV self-test kit is FDA-approved (OraQuick In-Home HIV Test) and available for retail sale. In the present report we review recent studies on the dissemination, adoption, and implementation of oral HIV testing. Prior work has focused primarily on adoption, but recent studies have begun to identify methods for improving dissemination and problems associated with self-implementation. At present a major barrier to wider adoption is the relatively high retail cost of the oral HIV test kit. Significant but minor barriers are represented by overly complex instructional materials for some population segments, and dissemination programs of unknown efficacy. Theoretical and practical suggestions for conducting research on dissemination, adoption, and implementation of oral HIV testing are discussed.