At a glance
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A Phase 1, Multicompartmental Pharmacokinetic Study of Cabotegravir Long-acting in Healthy Adult Volunteers
In Brief
A Phase 1 clinical trial evaluating Cabotegravir tablet 30 mg once daily for 28 days. and Cabotegravir injection 3 mL (200 mg/mL) IM given once on Day 1. for Infection, Human Immunodeficiency Virus and HIV Infections. Completed, enrolled 19 participants across 2 sites.
Detailed Summary
Cabotegravir (CAB) long-acting (LA) is a promising candidate for human immunodeficiency virus (HIV) pre exposure prophylaxis (PrEP) due to its potent antiretroviral activity and infrequent dosing requirements. Currently, the CAB concentrations achieved in the anatomical sites associated with sexual HIV transmission following the proposed 600 milligram (mg) intramuscular (IM) PrEP dose are unknown. These data will enhance our understanding of CAB distribution to the anatomical mucosal tissue believed to be relevant to sexual HIV-1 transmission and supplement the data to support future PrEP clinical trial development. The primary objective is to determine the PK concentrations of CAB following LA administration in plasma and in vaginal tissue (VT), cervical tissue (CT), and cervicovaginal fluid (CVF) in healthy women and in rectal tissue (RT) and rectal fluid (RF) in healthy men and women following a single 600 mg IM dose. This will be a Phase 1, open label study in healthy subjects to assess the pharmacokinetics of CAB LA in the plasma and mucosal locations associated with sexual HIV-1 transmission: VT, CT, CVF, RT and RF. The study will consist of a screening period, a 28-day oral lead-in phase at a dose of 30 mg per day followed by a 14-42 day washout period, and a single dose of CAB LA 600 mg as an IM (intragluteal) injection with compartmental pharmacokinetic (PK) sampling for up to 12 weeks. Subjects will return for safety assessments and plasma PK sampling at Week 24 and Week 36 post-injection and undergo a follow-up/withdrawal visit at Week 52 post-injection.
Study Details
Timeline
Interventions
GSK1265744B, lactose monohydrate, microcrystalline cellulose, hypromellose, sodium starch glycolate, magnesium stearate, Aquarius film-coating, white BP18237
Cabotegravir will be supplied as sterile suspension for injection 200 mg/mL vial. Each vial appears as sterile white to slightly colored suspension containing 200 mg/mL of CAB for administration by intramuscular (intragluteal) injection and will be administered as 1 × 3 mL Injections (3 mL \[600 mg\] total) IM given once on Day 1 of injection phase