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Background: Guidelines for Hepatitis B treatment released by the World Health Organization in 2024 include the potential for use of dual therapy, combining tenofovir with either emtricitabine or lamivudine. These fixed-dose combinations are also used for Pre-Exposure Prophylaxis (PrEP) in people at risk of Human Immunodeficiency Virus (HIV). We hypothesize that pre-existing HIV PrEP programmes can support access to HBV testing and treatment.
Methods: At the Africa Health Research Institute (AHRI) in KwaZulu Natal, South Africa, we evaluated PrEP uptake and retention amongst adolescents and young adults aged 15-30 years. We reviewed HBV status, acceptance of PrEP and retention in follow-up between June 2022-Sept 2024.
Results: 15847 adolescents and young adults received an assessment in the community, of whom 3481/15847 (21.9 %) were eligible for sexual health prevention interventions. 3431/3481 (98.6 %) accepted HBV screening, of whom 21/3431 (0.6 %) tested positive for HBsAg. These 21 individuals had not previously been aware of their HBV status, but one was already on antiretroviral therapy for HIV infection. Amongst the others, 16/20 (80 %) were considered eligible for PrEP, and 15/16 started PrEP. When investigating retention in care, among 15 individuals due for a refill, 8/15 (53.3 %) returned at least once.
Conclusion: Sexual reproductive health and PrEP programmes provide an opportunity for HBV testing and treatment. However, attrition from the care cascade at each step highlights the pressing need for interventions that address barriers to sustainable delivery of long-term care.
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http://dx.doi.org/10.1016/j.jve.2025.100600 | DOI Listing |
PLoS Med
September 2025
University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America.
Background: Oral emtricitabine/tenofovir disoproxil fumarate (F/TDF) preexposure prophylaxis (PrEP) effectiveness against HIV acquisition highly depends on adherence. For men who have sex with men, a dosing study in the United States (US) population defined clinically meaningful tenofovir diphosphate (TFV-DP) thresholds in dried blood spots (DBS) based on the rounded 25th percentile for 2, 4, and 7 doses/week as 350, 700, and 1,250 fmol/punch. However, divergent efficacy results in the first generation randomized clinical trials of F/TDF PrEP among African women led to several hypotheses to question whether the pharmacology and adherence requirement for oral F/TDF PrEP may be different in cisgender women compared to what is already established for men.
View Article and Find Full Text PDFBMJ Open
September 2025
Centre for Microbiology Research, Kenya Medical Research Institute, Nairobi, Nairobi County, Kenya.
Introduction: Oral HIV pre-exposure prophylaxis (PrEP) is a highly effective biomedical intervention for HIV prevention, but its access and utilisation are challenging, especially in high-burden settings such as Kenya. For potential PrEP users, long delays and repeated consultations with several providers are obstacles to both PrEP uptake and continuation. The One-Stop PrEP Care project aims to promote the use of PrEP among clients in the health system and enhance client satisfaction by reducing the waiting time.
View Article and Find Full Text PDFExp Neurol
September 2025
Division of Pharmacology and Pharmacotherapy, Drug Research Programme, Faculty of Pharmacy, University of Helsinki, Finland; Department of Pharmacology, Faculty of Medicine, University of Helsinki, Finland. Electronic address:
Traumatic brain injury (TBI) impacts up to 60 million people annually. Both severe TBIs and repeated mild TBIs (rmTBIs) can lead to persistent symptoms such as cognitive deficits, and even neurodegenerative diseases like chronic traumatic encephalopathy (CTE). To date, no therapies exist to mitigate the risk of CTE or other chronic symptoms post-TBI.
View Article and Find Full Text PDFAIDS Behav
September 2025
New York University School of Global Public Health, New York, NY, USA.
We developed and implemented a PrEP navigation program ("SNAPS") in a NYC safety-net hospital with the objectives to co-locate navigation, clinical PrEP services, and payment assistance. Adherence and retention to PrEP-related care were assessed by mean medication possession ratios (MPRs) and number of appointments over 12 months. Compared to the pre-SNAPS cohort, the post-SNAPS cohort was less likely to be cisgender male (64.
View Article and Find Full Text PDFFront Reprod Health
August 2025
Department of Obstetrics and Gynecology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.
Introduction: HIV risk perception is seen as a key motivation for individuals to use biomedical HIV prevention interventions, including pre-exposure prophylaxis (PrEP). We determined HIV risk perception and associated factors among pregnant and breastfeeding women in Lusaka, Zambia.
Methodology: We conducted a cross sectional study among pregnant and breastfeeding women not living with HIV in a hospital setting in Lusaka, Zambia.