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Abstract Background Same-day antiretroviral therapy (SDART) initiation, in which people living with HIV (PLHIV) who are antiretroviral therapy (ART)-naïve, willing, and clinically eligible start ART on the same day of HIV diagnosis, has been implemented in several healthcare facilities in Thailand since 2017. This evidence-based practice has demonstrated increased ART uptake, virologic suppression, and retention in care. However, linkage to care gaps exist in community-based organizations (CBOs) in Bangkok whereby as much as 20% of key populations (KP), mainly men who have sex with men and transgender women, living with HIV were lost to follow-up pre-ART initiation. To increase access to and uptake of ART among these populations, this study proposes that trained KP lay providers should lead community-based ART (CB-SDART) initiation service. This protocol describes the combined use of the Proctor’s implementation outcome framework and the Consolidated Framework for Implementation Research to guide and evaluate the CB-SDART implementation. Methods This study follows the hybrid design type 3: it is an implementation trial that secondarily assesses service and client outcomes by comparative interrupted time series analysis. Five strategies have been formulated to meet three implementation outcomes (i.e., feasibility, fidelity, and sustainability): (1) developing stakeholder relationships by engaging the CBO leaderships, (2) training and educating KP lay providers, (3) adapting and tailoring SDART to CBO-specific context, (4) using evaluative and iterative strategies to assess adherence to standard operating procedures, and (5) developing stakeholder relationships by engaging external stakeholders. Teleconsultation with physicians and ART home delivery will be integrated as another ART initiation option for clients and allow service provision during the COVID-19 pandemic. A mixed-method assessment will be conducted on key stakeholders and PLHIV diagnosed at two implementing CBOs, Rainbow Sky Association of Thailand and Service Workers in Group Foundation, in Bangkok, Thailand. Discussion This implementation research may be the first to provide robust data at the implementation, service, and client levels to inform how to successfully task-shift SDART initiation service to trained KP lay providers and facilitate the expansion of CB-SDART in the future. Trial registration This trial was registered with the Thai Clinical Trial Registry as TCTR20210709004 on July 9, 2021.

Abstract Introduction Young adults with perinatally acquired HIV (YA‐PHIV) are facing transitions to adult life. This study assessed health risk behaviours (including substance use), mental health, quality of life (QOL) and HIV treatment outcomes of Thai YA‐PHIV. Methods A cross‐sectional study was conducted in Thai YA‐PHIV aged 18–25 years who were enrolled in a prospective cohort study at five tertiary paediatric HIV care centres in Thailand. Study data were obtained through face‐to‐face interviews from November 2020 to July 2021. Assessments were performed for alcohol use (Alcohol Use Disorders Identification Test; AUDIT), smoking (Fagerstrom Test for Nicotine Dependence), drug/substance use (Drug Abuse Screening Test; DAST‐10), depression (Patient Health Questionnaire for Adolescents; PHQ‐A), anxiety (Generalized Anxiety Disorder; GAD‐7) and QOL (World Health Organization QOL Brief‐Thai). HIV treatment outcomes were extracted from the National AIDS Program database. Results Of 355 YA‐PHIV, 163 (46%) were males: their median age was 21.7 (interquartile range, IQR 20.2–23.5) years. There were 203 YA‐PHIV (58%) who reported ever having sex; 141 (40%) were sexually active in the past 6 months, of whom 86 (61%) reported 100% condom use. Overall, 49 (14%) met the criteria for harmful alcohol use; 28 (7.9%) were alcohol dependent. Sixty (17%) were current smokers and 37 (11%) used drugs/substances. The frequency of moderate up to severe symptoms for depression was 18% and for anxiety was 9.7%. Their overall QOL was good in 180 (51%), moderate in 168 (47%) and poor in five (1.4%). There were 49 YA‐PHIV (14%) with CD4 200 copies/ml). On multivariate analyses, the highest education at the primary to high school or vocational school levels (adjusted odds ratio [aOR] 2.02, 95% CI 1.40–3.95, p 0.04), harmful alcohol use (aOR 2.48, 95% CI 1.24–4.99, p 0.01), alcohol dependence (aOR 3.54, 95% CI 1.51–8.31, p

Background: Social network strategies (SNS) assumes that people in the same social share similar HIV risk. Methods: This study evaluated SNS to promote HIV testing of young men who have sex with men (YMSM) and transgender women (YTGW) aged 15–24 years. “Recruiters” referred their ‘network members’ (NMs) to clinic. NMs were provided HIV testing. Proportions of first-time HIV testers and number of NMs were analyzed. Results: Between April 2021 to March 2022, 83 recruiters referred 202 NMs. Median age of NMs was 19 years (IQR 17-20), 62% were YMSM. One-hundred-and-twenty-four NMs (61%) were first-time HIV testers. YTGW recruited more NMs per recruiter (5.4 vs 1.4, p = 0.002). HIV prevalence was 3.0% (95% CI 1.1-6.4). Thirty-one-point-three percent of NMs at HIV risk initiated oral HIV preexposure prophylaxis. Conclusions: SNS is a good strategy to reach adolescents at risk of HIV infection. More than half of NMs were first-time HIV testers.

Abstract Background Screening for sexually transmitted infection (STI) especially HIV as early detection and treatment have been financially supported under the Thai Universal Coverage (UC) scheme since 2009 (THB140 for HIV). However, the implementation has not been evidence-based, strategic risk-based, nor economically evaluated whereas husbands who accompanied the pregnant women are likely to have a lower risk than those who did not come along. This study is aimed to determine the husband’s willingness-to-pay (WTP) for his HIV and syphilis screening tests and potential factors affecting STI screenings at the antenatal care (ANC) clinic of a tertiary hospital in Thailand. Methods A pilot open-ended interview was conducted among 50 participants to estimate the mean and standard deviation of WTP prices for HIV and syphilis screening tests. A questionnaire was developed to obtain demographics, STI knowledge and screening history, as well as two contingent valuation methods (bidding and payment scale), using the mean WTP prices identified from the pilot study as a starting WTP with ¼SD step-up/down. The survey of 200 randomly selected husbands of pregnant women was conducted at King Chulalongkorn Memorial Hospital from April to June 2018. Descriptive statistics and logistic regression were used for data analysis. Results During the study period, 597 pregnant women received their first ANC. Of 368 accompanying husbands, 200 were enrolled in the study. Their median age was 31 (IQR 27–36) years old and 67% had a first child. Eighty-eight percent of the participants were willing to test for the STIs. Based on the bidding method, WTP prices for HIV and syphilis screening tests were US$14.5 (IQR 12.4–14.5) and US$9.7 (IQR 10–12), respectively. The payment scale method suggested approximately three-quarters of the WTP prices from the bidding method. Conclusions The husbands who accompanied their pregnant wives to the ANC clinic showed positive behaviors according to the propitious selection theory. They tend to cooperate well with STI testing and are willing to pay at least two times the price of the STI screening tests. The financial support to promote STI screenings should be reconsidered to cover other groups with higher sexual behavior risks and less WTP.

BackgroundWidespread smartphone use provides opportunities for mobile health HIV prevention strategies among at-risk populations. ObjectiveThis study aims to investigate engagement in a theory-based (information–motivation–behavioral skills model) mobile phone app developed to support HIV pre-exposure prophylaxis (PrEP) adherence among Thai young men who have sex with men (YMSM) and young transgender women (YTGW) in Bangkok, Thailand. MethodsA randomized controlled trial was conducted among HIV-negative YMSM and YTGW aged 15-19 years initiating daily oral PrEP. Participants were randomized to receive either youth-friendly PrEP services (YFS) for 6 months, including monthly contact with site staff (clinic visits or telephone follow-up) and staff consultation access, or YFS plus use of a PrEP adherence support app (YFS+APP). The target population focus group discussion findings and the information–motivation–behavioral skills model informed app development. App features were based on the 3Rs—risk assessment of self-HIV acquisition risk, reminders to take PrEP, and rewards as redeemable points. Dried blood spots quantifying of tenofovir diphosphate were collected at months 3 and 6 to assess PrEP adherence. Tenofovir diphosphate ≥350-699 fmol/punch was classified as fair adherence and ≥700 fmol/punch as good adherence. Data analysis on app use paradata and exit interviews were conducted on the YFS+APP arm after 6 months of follow-up. ResultsBetween March 2018 and June 2019, 200 participants with a median age of 18 (IQR 17-19) years were enrolled. Overall, 74% (148/200) were YMSM; 87% (87/100) of participants who received YFS+APP logged in to the app and performed weekly HIV acquisition risk assessments (log-in and risk assessment [LRA]). The median duration between the first and last log-in was 3.5 (IQR 1.6-5.6) months, with a median frequency of 6 LRAs (IQR 2-10). Moreover, 22% (22/100) of the participants in the YFS+APP arm were frequent users (LRA≥10) during the 6-month follow-up period. YMSM were 9.3 (95% CI 1.2-74.3) times more likely to be frequent app users than YTGW (P=.04). Frequent app users had higher proportions (12%-16%) of PrEP adherence at both months 3 and 6 compared with infrequent users (LRA

BackgroundHIV disproportionately affects young Thai men who have sex with men (YMSM). Recent studies report a high incidence and prevalence of HIV among Thai YMSM. The Thai national guidelines have recommended pre-exposure prophylaxis (PrEP) since 2014 for key populations; free PrEP has been piloted since 2019. Smartphone-based mobile health (mHealth) interventions provide an optimal platform for innovative PrEP adherence interventions for Thai YMSM. ObjectiveThis study aims to adapt the P3 (Prepared, Protected, emPowered) app, developed with YMSM and transwomen in the United States to improve PrEP adherence and persistence for YMSM in Thailand. The app aims to provide daily adherence support and addresses gaps in staff available for large-scale PrEP rollout needed to see population-level effects of HIV prevention. MethodsWe conducted focus group discussions (FGDs) with YMSM and key informant interviews (KIIs) with PrEP care providers in Bangkok, Thailand, to investigate PrEP adherence facilitators and barriers, preferences for functions and features in mHealth apps among YMSM, and how to best adapt the P3 app to the Thai context. We conducted four FGDs with 4-8 participants per group and 15 KIIs. ResultsFor FGDs, 23 YMSM participated with a mean age of 20 years (range 18-21), 96% (22/23) enrolled in full-time education, and all owned smartphones. The mean age of KII participants was 40 (range 26-60) years; most were state health service providers, with the majority being counselors (6/15, 40%) and physicians (6/15, 40%). Overall, the facilitators and barriers for PrEP adherence identified were similar to those of MSM and YMSM globally including the United States. Key themes included general recommendations for improving mHealth apps in Thailand, such as presenting reliable information in an appealing format, minimizing privacy risks, and addressing connectivity challenges. Additional themes focused on P3 Thailand adaptations and were related to cultural and stylistic preferences, engagement strategies, and recommendations for new functions. To develop the adapted app, P3 Thailand, these findings were balanced with resource limitations resulting in the prioritization of minor modifications: changes in app esthetics (color scheme, iconography, and imagery) and changes in the presentation of information in two of the app’s features. FGDs identified similar PrEP adherence facilitators and barriers to those already addressed within the app. ConclusionsThe core elements of the P3 app address major PrEP facilitators and barriers for Thai YMSM; however, changes to the app features, including stylistic presentation, were needed to appropriately customize the app to the Thai context. Given the similarities of facilitators and barriers for PrEP adherence globally, adapting existing PrEP mHealth solutions based on input from end users and key informants provides a promising approach. However, partnerships with local app designers and developers can improve the adaptation process and final product. Trial RegistrationClinicalTrials.gov NCT04413708; http://clinicaltrials.gov/ct2/show/NCT04413708