Browsing by Author "Bambia, Felix"
Now showing 1 - 4 of 4
Results Per Page
Sort Options
Item Effect of HIV Self-Testing on PrEP Adherence Among Gender-Diverse Sex Workers in Uganda: A Randomized Trial(Journal of acquired immune deficiency syndromes, 2022) Mujugira, Andrew; Nakyanzi, Agnes; Nabaggala, Maria S.; Muwonge, Timothy R.; Ssebuliba, Timothy; Bagaya, Monica; Nampewo, Olivia; Sapiri, Oliver; Nyanzi, Kikulwe R.; Bambia, Felix; Nsubuga, Rogers; Serwadda, David M.; Ware, Norma C.; Baeten, Jared M.; Haberer, Jessica E.HIV self-testing (HIVST) and pre-exposure prophylaxis (PrEP) are complementary tools that could empower sex workers to control their HIV protection, but few studies have jointly evaluated PrEP and HIVST in any setting. Methods: The Empower Study was an open-label randomized trial in Uganda. Sex workers were offered F/tenofovir disoproxil fumarate and randomized 1:1 to monthly HIVST and quarterly in-clinic testing (intervention) or quarterly in-clinic HIV testing alone (standard of care) and followed up for 12 months. PrEP adherence was measured using electronic adherence monitoring and tenofovir diphosphate (TFV-DP) levels in dried blood spots. Adherence outcomes and sexual behaviors were compared by arm using generalized estimating equation models. Results: We enrolled 110 sex workers: 84 cisgender women, 14 transgender women, 10 men who have sex with men, and 2 transgender men. The median age was 23 years. The 12-month retention was 75%. Nearly all (99.4%) used $1 HIVST kit. The proportion with TFV-DP levels $700 fmol/punch in the HIVST and standard of care arms at the 3-, 6-, 9-, and 12-month visits was 2.4%, 2.3%, 0%, and 0% and 7.9%, 0%, 0%, and 0%, respectively, with no differences by randomization arm (P . 0.2). Self-reported condomless sex acts with paying partners was similar by arm [adjusted incidence rate ratio 0.70; 95% confidence interval (CI): 0.42 to 1.17; P = 0.18]. One seroconversion occurred (HIV incidence, 0.9/100 person-years); TFV-DP was not detected at any visit. Conclusions: A gender-diverse sample of sex workers in Uganda used HIVST but not daily oral PrEP for HIV protection. Alternate approaches to promote PrEP use, including long-acting formulations, should be considered in this population.Item Health Care Worker Perspectives of HIV Pre-exposure Prophylaxis Service Delivery in Central Uganda(Frontiers in Public Health, 2022) Muwonge, Timothy R.; Nsubuga, Rogers; Ware, Norma C.; Wyatt, Monique A.; Pisarski, Emily; Kamusiime, Brenda; Kasiita, Vicent; Kakoola Nalukwago, Grace; Brown, Charles; Nakyanzi, Agnes; Bagaya, Monica; Bambia, Felix; Ssebuliba, Timothy; Katabira, Elly; Kyambadde, Peter; Baeten, Jared M.; Heffron, Renee; Celum, Connie; Mujugira, Andrew; Haberer, Jessica E.Scale-up of HIV pre-exposure prophylaxis (PrEP) services in Uganda is ongoing. However, health care workers (HCWs) may not be aware of PrEP nor what offering this service entails. We explored the impact of standardized HCW training on the knowledge and perspectives of PrEP service delivery in Uganda. Methods: We recruited HCWs from facilities that offered HIV-related services in Central Uganda. Using the Uganda Ministry of Health curriculum, we trained HCWs on PrEP services. We collected data about PrEP knowledge, preparedness, and willingness to deliver PrEP to multiple key populations before the training, immediately after the training, and >6 months later (exit). We additionally conducted 15 qualitative interviews after the exit survey. Quantitative data were analyzed by Fisher exact test, while qualitative interview data were analyzed inductively. Results: We recruited 80 HCWs from 35 facilities in urban (N = 24, 30%), peri-urban (N = 30, 37%), and rural (N = 26, 33%) areas. Most HCWs were nurse counselors (N = 52, 65%) or medical/clinical officers (N = 15, 18%). Surveys indicated that awareness of PrEP increased after the training and remained high. Knowledge of PrEP (i.e., as an effective, short-term antiretroviral medication to use before HIV exposure for people at high risk) generally increased with training, but significant gaps remained, and knowledge decreased with time. Most HCWs recommended PrEP for female sex workers and HIV serodifferent couples, as well as other key populations. We observed increases in the number of HCW who felt their facility was prepared to cater for HIV prevention and provide PrEP, but this view was not universal. HCWs believed in PrEP effectiveness and embraced it as an additional HIV prevention method. Concerns included patient adherence and behavioral risk compensation. HCWs noted challenges in PrEP delivery in terms of inadequate clinic preparedness, infrastructure, staff capacity, and poor attitudes toward key populations by untrained health workers. They felt further training was needed to ensure a smooth scale-up of services without stigmatization. Standardized training improved knowledge, willingness, and preparedness to offer PrEP services among most HCWs in Central Uganda. Ongoing training will be needed to optimize PrEP delivery services and expand delivery to levels needed for population-level impact.Item Short message service (SMS) surveys assessing pre-exposure prophylaxis (PrEP) adherence and sexual behavior are highly acceptable among HIV-uninfected members of serodiscordant couples in East Africa: A mixed methods study(AIDS and Behavior, 2019) Muwonge, Timothy R.; Ngure, Kenneth; Katabira, Elly; Mugo, Nelly; Kimemia, Grace; O'Rourke Burns, Bridget Frances; Musinguzi, Nicholas; Bambia, Felix; Baeten, Jared M.; Heffron, Renee; Haberer, Jessica E.Short message service (SMS) surveys are a promising data collection method and were used to measure sexual behavior and adherence to HIV pre-exposure prophylaxis (PrEP) among HIV-uninfected partners of serodiscordant couples enrolled in a sub-study of the Partners Demonstration Project (an open-label study of integrated antiretroviral therapy and PrEP for HIV prevention in Kenya and Uganda). Questionnaires were completed by 142 participants after study exit. Median age was 29 years; 69% were male. Ninety-five percent (95%) felt SMS surveys were “easy” or “very easy”, 74% reported no challenges, and 72% preferred SMS surveys over in-person study visits. Qualitative interviews involving 32 participants confirmed the ease of responding to SMS surveys. Participants also indicated that surveys acted as reminders for adherence to PrEP and condom use and were experienced as support from the study. SMS surveys were generally found to be acceptable in this population and provided real-time context of PrEP use.Item “You are not a man”: a multi-method study of trans stigma and risk of HIV and sexually transmitted infections among trans men in Uganda(Journal of the International AIDS Society, 2021) Mujugira, Andrew; Kasiita, Vicent; Bagaya, Monica; Nakyanzi, Agnes; Bambia, Felix; Nampewo, Oliva; Kamusiime, Brenda; Mugisha, Jackson; Nalumansi, Alisaati; Twesigye, Collin C.; Muwonge, Timothy R.; Baeten, Jared M.; Wyatt, Monique A.; Tsai, Alexander C.; Ware, Norma C.; Haberer, Jessica E.Transgender (trans) men in sub-Saharan Africa are a hidden and vulnerable population who may engage in sex work due to socio-economic exclusion and lack of alternative employment opportunities. Little is known about HIV and sexually transmitted infection (STI) risk among trans men in this setting. We conducted a multi-method study to characterize HIV/STI risk among trans men in Uganda. Methods: Between January and October 2020, we enrolled 50 trans men into a cross-sectional study through snowball sampling. Data were collected on socio-demographic characteristics, sexual practices and depression. We conducted 20 qualitative interviews to explore: (1) descriptions of sexual practices that could increase HIV/STI exposure; (2) experiences of accessing public healthcare facilities; (3) perceptions of HIV or STI testing; (4) HIV and STI service delivery; and (5) drug and alcohol use. We used an inductive content analytic approach centring on descriptive category development to analyse the data. Results: The median age was 25 years (interquartile range 23–28). The prevalence of HIV, syphilis and hepatitis B was 4%, 6% and 8%, respectively. We observed multiple levels of intersecting individual, interpersonal and structural stigmas. (1) Trans men reported transphobic rape motivated by interpersonal stigma that was psychologically traumatizing to the survivor. The resultant stigma and shame hindered healthcare access. (2) Structural stigma and economic vulnerability led to sex work, which increased the risk of HIV and other STIs. Sex work stigma further compounded vulnerability. (3) Individualized stigma led to fear of disclosure of gender identity and HIV status. Concealment was used as a form of stigma management. (4) Multiple levels of stigma hampered access to healthcare services. Preference for trans-friendly care was motivated by stigma avoidance in public facilities. Overall, the lived experiences of trans men highlight the intertwined relationship between stigma and sexual health. Conclusions: In this sample from Uganda, trans men experienced stigma at multiple levels, highlighting the need for gendersensitive healthcare delivery. Stigma reduction interventions, including provider training, non-discrimination policies, support groups and stigma counselling, could strengthen uptake and utilization of prevention services by this marginalized population.