Status and phase
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About
This study was done with people who were infected with HIV, but did not show any signs of having HIV. They were also feeling well without taking HIV medication and had low or undetectable levels of the virus in the blood. The purpose of this study was to see if taking HIV medication (antiretroviral therapy [ART]) would reduce immune activation (a signal that the body is fighting an infection) in people who have HIV, but did not show symptoms. Also this study helped determine how safe the drug was and how well people reacted to the drug.
For this study, the following antiretroviral therapy (ART) was be provided in the form of a single tablet that contains three different drugs: emtricitabine/rilpivirine/tenofovir disoproxil fumarate (FTC/RPV/TDF). These drugs were combined as one tablet which was approved by the Food and Drug Administration (FDA) as a single pill to treat HIV infection. The HIV medication provided was one of the recommended treatments for HIV, including people with low viral loads (how much HIV you have in your body) who were taking HIV drugs for the first time. The risks seen with this HIV medication were the same that one would encounter when taking these drugs outside of the study.
Full description
AIDS Clinical Trials Group (ACTG) A5308 was a single-arm clinical trial to evaluate the effect of initiating fixed-dose combination (FDC) FTC/RPV/TDF on CD8+ T-cell activation and other immunologic and virologic biomarkers among treatment-naïve HIV-1 controllers with any absolute CD4+ T-cell count. At study entry, these participants were followed off ART for a 12-week lead-in period, and then at week 12, participants initiated FDC FTC/RPV/TDF and had 48 weeks of follow-up to evaluate the primary endpoint.
All participants who completed Step 1 (48 weeks of ART) had the option to register to Step 2, for an additional 48 weeks of follow-up, and had the choice of either continuing FDC FTC/RPV/TDF or follow-up with no study treatment.
Participants underwent safety and tolerability evaluations throughout the study, including physical examinations and clinical assessments. Pregnancy tests were performed on women of childbearing potential. Collection of stored blood plasma/peripheral blood mononuclear cell (PBMC) samples occurred at entry and weeks 0, 4, 12, 24, 36, 48, 60, 72 and 96 on ART.
Only participants who were on intervention (ART) for at least 24 weeks had samples sent for testing of immunologic and virologic biomarkers.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Step 1
HIV-1 infection
ART-naïve defined as ≤7 days of antiretroviral (ARV) treatment at any time prior to entry
Documentation of HIV-1 RNA <500 copies/mL verified by at least two measurements prior to the screening RNA specimen
Screening HIV-1 RNA <500 copies/mL using an US FDA-approved assay obtained within 60 days prior to study entry by any laboratory that has a CLIA certification or its equivalent
Laboratory values obtained within 60 days prior to entry by any laboratory that has a CLIA certification or its equivalent:
For females of reproductive potential, negative serum or urine pregnancy test within 48 hours prior to study entry by any clinic or laboratory that has a CLIA certification or its equivalent
Female subjects of reproductive potential, who are participating in sexual activity that could lead to pregnancy, must agree to use at least one reliable form of contraceptive (ie, condoms (male or female) with or without a spermicidal agent; a diaphragm or cervical cap with spermicide; an intrauterine device (IUD); or hormone-based contraceptive) while receiving the protocol-specified treatment and for 6 weeks after stopping the medications
No evidence of any exclusionary resistance mutations based on results from any genotype assay from any laboratory that has a Clinical Laboratory Improvement Amendments (CLIA) certification or its equivalent
Step 2
Exclusion criteria
Step 1
Chronic hepatitis B virus (HBV) infection (documented by hepatitis B surface antigen (HBsAg) seropositivity)
Breastfeeding
Use of immunomodulators (eg, interleukins, interferons, cyclosporine), topical imiquimod, HIV vaccine, systemic cytotoxic chemotherapy, or investigational therapy within 30 days prior to study entry or plans to start immunomodulators, topical imiquimod, HIV vaccine, systemic cytotoxic chemotherapy, or investigational therapy during the study
Known allergy/sensitivity or any hypersensitivity to components of study drug(s) or their formulation
Active drug or alcohol use or dependence that, in the opinion of the site investigator, would interfere with adherence to study requirements
Acute or serious illness requiring systemic treatment and/or hospitalization within 30 days prior to entry
Symptomatic HIV disease and/or AIDS-defining illness.
Vaccinations within 7 days prior to study entry
Plans to initiate hepatitis C treatment during the study
Perinatally-acquired HIV
Use of any of the following medications within 7 days prior to study entry:
Step 2
NOTE: Please refer to the protocol for detailed eligibility criteria.
Primary purpose
Allocation
Interventional model
Masking
38 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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