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SIV monoclonal antibody administration spanning treatment interruption in macaques delays viral rebound and selects escape variants.
Proc Natl Acad Sci U S A
February 2025
U.S. Military HIV Research Program, Center for Infectious Disease Research, Walter Reed Army Institute of Research, Silver Spring, MD 20910.
HIV-1 envelope broadly neutralizing antibodies represent a promising component of HIV-1 cure strategies. To evaluate the therapeutic efficacy of combination monoclonal antibodies (mAbs) in a rigorous nonhuman primate model, we tested different combinations of simian immunodeficiency virus (SIV) neutralizing mAbs in SIVmac251-infected rhesus macaques. Antiretroviral therapy-suppressed animals received anti-SIV mAbs targeting multiple Env epitopes spanning analytical treatment interruption (ATI) in 3 groups (n = 7 each): i) no mAb; ii) 4-mAb combination; and iii) 2-mAb combination.
View Article and Find Full Text PDFBrief Report: Preferences and Acceptability in Methods of Tenofovir Diphosphate in Dried Blood Spots Collection and Feedback in a Cohort of PLWH in Cape Town South Africa.
AIDS Behav
January 2025
HIV Center for Clinical and Behavioral Studies, New York State Psychiatric Institute, Columbia University, New York, NY, USA.
Antiretroviral therapy (ART) adherence is crucial for HIV viral suppression. Tenofovir diphosphate (TFV-DP) concentrations in dried blood spots (DBS) offer a potential tool for monitoring and supporting adherence. We assessed acceptability and preferences of fingerstick-based DBS collection and drug-level feedback among 224 people living with HIV (PLWH) in South Africa.
View Article and Find Full Text PDFHigh burden of abnormal cervical smears in South African primary health care: health programmes implications.
Health Promot Int
January 2025
School of Health Systems and Public Health, University of Pretoria, HW Snyman Building, Bophelo Road, Pretoria 0084, South Africa.
Cervical cancer is the second most common malignancy among South African women and the load of abnormal cervical smears has clinical, programmatic and policy implications. This cross-sectional study of women who presented for cervical cancer screening aimed to determine the prevalence of abnormal cervical smears and associated factors in primary health care (PHC) facilities in Gauteng-the most densely populated province in South Africa. A questionnaire collected data on socio-demography, tobacco use, sexual behaviours, HIV status, past treatment for sexually transmitted infections (STI) and cervical cancer screening in the past 10 years.
View Article and Find Full Text PDFSubtypes A1 and D, and recombinant HIV-1 natural polymorphisms associated with lenacapavir drug resistance in Uganda.
J Antimicrob Chemother
January 2025
Department of Medicine, Division of Infectious Diseases, Weill Cornell Medicine, New York, NY, USA.
Background: Lenacapavir, a novel HIV-1 capsid inhibitor, shows promise for treating MDR HIV-1, as well as for pre-exposure prophylaxis (PrEP) in prevention of HIV infection. Its unique mechanism and lack of cross-resistance with other antiretroviral classes make lenacapavir a significant addition to HIV therapy. The clinical trials CALIBRATE and CAPELLA have demonstrated high viral suppression rates in both ART-naive individuals and individuals with MDR HIV-1.
View Article and Find Full Text PDFPositive STEPS: Enhancing Medication Adherence and Achieving Viral Load Suppression in Youth Living with HIV in the United States - Results from a Stepped-Care Randomized Controlled Efficacy Trial.
J Acquir Immune Defic Syndr
January 2025
The Potocsnak Family Division of Adolescent and Young Adult Medicine, Ann & Robert H. Lurie Children's Hospital, Chicago, IL.
Background: In the U.S. and worldwide, there is a significant number of young people acquiring and living with HIV.
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