Efficacy & Safety Study of Darunavir for the Treatment of HIV/AIDS

Status Completed

Clinical Trial Summary

The aim of this pilot study is to assess the feasibility, efficacy and safety of Darunavir/ritonavir 800/100 mg once daily (DRV/r) monotherapy as a switch-maintenance strategy for patients receiving second-line ART at Yaoundé Central Hospital in Cameroon. HIV-infected adults receiving second-line antiretroviral therapy (ART) for ≥3 months with 2 nucleos(t)ide reverse transcriptase inhibitors (NRTIs) plus either lopinavir/ritonavir (LPV/r) or atazanavir/ritonavir (ATV/r) will undergo plasma HIV-1 RNA ("viral") load testing. Those with a viral load below 50 copies/ml (<50 cps/ml) will undergo a repeat test ideally 4-6 weeks later (allowed up to 12 weeks); if the viral load is confirmed as <50 cps/ml the patient will be invited to join the randomised phase of the study. Patients (n=150) will be randomised 1:2 to either continue the current triple ART regimen (n=50) or switch to DRV/r monotherapy (n=100). The primary end-point will be viral load suppression <400 cps/ml at week 24; secondary end-points will be viral load suppression <50 cps/ml at week 12 and week 24, safety, tolerability, and emergence of protease inhibitor (PI) drug-resistance. Patients will continue observational follow-up depending on the treatment arm they are randomized to. After week 48, patients will return to local standard of care. Pharmacokinetics (PK) and pharmacogenomics sub-study to correlate plasma concentrations of DRV to outcomes, HIV-1 drug resistance testing sub study to detect mutants archived at the time of first-line ART failure and measuring HIV DNA load will be performed, as well as a cost-effectiveness analysis will test the hypothesis that savings can be achieved by switching to DRV/r monotherapy without affecting quality of care. The primary virological objective is to evaluate efficacy in terms of the percentage of subjects who have plasma HIV-1 RNA levels <400 cps/ml after 24 weeks of follow-up following a switch to DRV/r monotherapy versus continuing triple therapy containing 2 NRTIs + LPV/r (or ATV/r) (FDA Snapshot method).

Study hypothesis:

we propose that maintenance therapy with DRV/r monotherapy is a feasible, effective and safe treatment option for patients receiving second-line ART in Yaoundé.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

HIV/AIDS

Clinical Trial Details

NCT number	NCT02155101
Study type	Interventional
Source	University of Liverpool
Contact
Status	Completed
Phase	Phase 3
Start date	May 2014
Completion date	July 2016

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Efficacy and Safety Study of Darunavir for the Treatment of HIV/AIDS — MANET

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms