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The pre-exposure prophylaxis (PrEP) is an important component in the overall strategy for prevention of HIV infection. Cabotegravir (CAB) is an integrase strand transfer inhibitor currently in development for treatment and prevention of HIV infection. CAB possesses attributes that allow formulation and delivery as a LA parenteral product. CAB is being developed as both oral and long acting (LA) injectable formulations. This study is designed to evaluate the PK, safety, tolerability, and acceptability of CAB LA in adult HIV uninfected Chinese male subjects at low risk for HIV acquisition. Eligible subjects will receive oral CAB during oral phase of the study followed by CAB LA intramuscular (IM) injection during injection phase of the study. Approximately 60 subjects will be screened, of which, approximately 48 subjects will enter the oral phase and 40 subjects will enter the injection phase of the study. The maximum study duration will be approximately 89 weeks including oral phase, injection phase and follow-up phase.
This study is designed to identify the burden associated with HIV and its treatment, and assess their health-related quality of life (HRQoL) by measuring key HRQoL domains, including satisfaction with treatment and care, and internalised stigma (ISAT). The study will also explore data for various important subpopulations such as subjects who are virally suppressed; who we anticipate will be the majority of study subjects. The study design is an observational, cross sectional study employing subjects' own mobile phone devices for data entry.
The purpose of this study is to evaluate the long-term persistence of binding antibody responses against V1V2 and gp120 in subjects who were vaccinated with the envelope glycoprotein 120 (gp120)-negative factor (Nef)Tat/ Adjuvant System 01B (AS01B) (GSKSB732461) vaccine candidate. Other immune parameters like the HIV-specific cluster of differentiation (CD4+) T cell and CD8+ T cell responses will also be evaluated.
DTG 50 milligram (mg) tablet was approved for marketing in Russian Federation; however, DTG is not currently available for subjects at Acquired Immune Deficiency Syndrome (AIDS) Centers as it is not available for order and supply via Federal program. This study is an open-label study which will include subjects, who complete taking DTG in studies ING112276, ING113086, ING114915, ING111762, and those subjects who end participation in study 200304 in which they received either DTG or lopinavir/ritonavir (LPV/RTV). DTG will be supplied at a dose of 50 mg once daily to eligible subjects until the subject stops taking DTG or transitions to commercial supply of DTG when available at AIDS Centers via the Federal program. The objective of this study is to bridge the gap between the closure of ING112276, ING113086, ING114915, ING111762 or end of subject's participation in 200304 and the actual availability of commercial DTG at AIDS Centers via Federal program for human immunodeficiency (HIV)-1-infected adult subjects in Russian Federation. The study will also investigate long-term safety of DTG for subjects continuing DTG in Russian Federation.
Studies to assess the effectiveness of interventions to prevent HIV infection depend upon robust estimates of Baseline HIV incidence rates. The changing landscape of high-risk populations, as well as the evolution of biomedical pre-exposure prophylaxis (PrEP) interventions, requires a contemporary evaluation of HIV incidence as well as demographic, behavioral and other subject factors which may impact HIV incidence. This is a prospective cohort study to measure HIV-1 seroincidence in a study population of HIV-1 uninfected Chinese men who have sex with men (MSM) and transgender women (TGW) who are at high-risk of HIV infection. Approximately 550 subjects who are male sex at birth and have sex with men shall enter the study, which will allow for a 10% drop out rate to maintain 500 subjects at the conclusion of the cohort. This is a single arm cohort study to determine HIV-1 seroincidence rates in high risk MSM and TGW when combined with a comprehensive prevention package including HIV and safe sex counseling, provision of condoms and water-based lubricant, and sexually transmitted infection (STI) screening and referral for treatment. It will be determined what proportion of high-risk MSM and TGW who are given a comprehensive HIV-1 prevention package will acquire HIV-1 infection.
This Antiretroviral Therapy as Long Acting Suppression every 2 Months (ATLAS-2M) study is designed to demonstrate the non-inferior antiviral activity and safety of CAB LA + RPV LA administered every 8 weeks (Q8W) compared to CAB LA + RPV LA administered every 4 weeks (Q4W) over a 48-week treatment period in approximately 1020 adult HIV-1 infected subjects. Subjects will be divided in 2 groups; Group 1 will include subjects receiving current anti-retroviral (ART) standard of care (SOC) therapy whereas group 2 will include subjects currently receiving CAB LA + RPV LA Q4W in ATLAS study. Subjects in both groups will be randomized to receive CAB LA + RPV LA Q4W or Q8W. The study will be carried out in 3 phases including screening phase, maintenance phase and extension phase. Subjects choosing not to enter the Extension phase can complete their study participation at the Week 100 visit and enter into the 52-week Long-Term Follow-Up (LTFU) Phase as required.
Phase IV, Single-Arm, Open-Label Study Evaluating Bone Mineral Density in HIV-1-Infected Adults ≥50 Years Old Switching from EVG/COBI/FTC/TAF (Genvoya) or EVG/COBI/FTC/TDF (Stribild) to ABC/DTG/3TC (Triumeq)
This study will be conducted in two Parts to confirm the acceptability/selection of a tablet formulation for future clinical development of GSK2838232. Part 1 of the study will assess single ritonavir (RTV)-boosted doses of a new tablet formulation given with food (containing approximately 30% fat) against the reference capsule formulation also given with food and then will assess the impact of fasted conditions on the tablet performance. In Part 2, non-boosted GSK2838232 will be given as once-daily tablet doses for 11 days in a separate group of subjects, assuming the tablet performance is considered acceptable from Part 1. Approximately 16 healthy subjects will be enrolled to provide at least 12 evaluable subjects through the three study periods in Part 1. 10 healthy subjects will be enrolled to provide at least 8 evaluable subjects through the single study period in Part 2. The maximum duration of study participation will be approximately 9 to 10 weeks for Part 1; and 8 to 9 weeks for Part 2.
Human immuno deficiency virus 1 (HIV-1) infections continues to be a serious health threat throughout the world and development of medicines with new mechanism of action have an important role to play. GSK3640254 is a maturation inhibitor (MI) and can be effective in HIV-1 treatment. This randomized, 2-part, single and repeat increasing dose study will collect information on safety, tolerability and drug levels in the body of in healthy subjects for GSK3640254. The information collected in this study will help in further clinical development of GSK3640254, including a Phase IIA Proof of Concept (PoC) study in HIV-infected subjects. Approximately 16 healthy subjects will be randomized to receive single oral dose of GSK3640254 and placebo in Part 1 and approximately 56 healthy subjects will be randomized to receive repeat oral dose of GSK3640254 or placebo in Part 2. All doses will be given immediately after a moderate fat meal. Maximum duration of study participation will be approximately 12 weeks.
This is a Phase I, single-center, open-label, fixed-sequence, 2-period crossover study in healthy adults to evaluate the effect of oral rifabutin (RBT) 300 milligram (mg) on the pharmacokinetics of oral cabotegravir (CAB) 30 milligram ( mg). This study will evaluate the drug-drug interaction (DDI) potential between CAB and RBT to inform dosing strategies for tuberculosis in subjects receiving CAB for human immunodeficiency virus (HIV) treatment or prevention. In Treatment Period 1 (Treatment A) participants will receive CAB 30 mg once daily for 14 days, followed by Treatment Period 2 (Treatment B) where participants will receive RBT 300 mg once daily with CAB 30 mg once daily for 14 days. The total study duration will be approximately for 10 weeks. Approximately 15 healthy subjects will be enrolled to ensure that 12 subjects complete dosing and critical assessments.