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Effect of Vicriviroc on HIV Ribonucleic Acid (RNA) Levels in Cerebrospinal Fluid (Study P05241)

HIV Infections Clinical Trial

Official title:
Effect of Vicriviroc on HIV RNA Levels in Cerebrospinal Fluid

Clinical Trial Summary

Vicriviroc (vye-kri-VYE-rock) is an investigational drug (not yet approved by Government Regulatory Authorities for commercial use) that belongs to a new class of drugs, called CCR5 receptor blockers. This group of drugs blocks one of the ways HIV enters T-cells (the cells that fight infection). Previous studies in HIV treatment-experienced patients have shown that vicriviroc is safe and effective. The purpose of this study is to determine the effect of vicriviroc on HIV RNA levels in cerebrospinal fluid (CSF).

Clinical Trial Description

This is a nonrandomized, open-label, multicenter study to investigate the HIV antiviral response in CSF when vicriviroc is added for 2 weeks to the subject's failing antiretroviral background regimen. The primary efficacy endpoint of this study is the mean change in log10 CSF HIV RNA from baseline at Week 2. The secondary efficacy endpoint is the proportion of subjects achieving CSF HIV RNA <50 copies/mL at Week 2. At Week 2, the subject's background regimen will be optimized and vicriviroc continued up to Week 24. After completing Week 24 of the study, subjects will be offered the option to continue on open-label VCV 30 mg once daily, if appropriate, until commercially available or until the sponsor terminates the clinical development of VCV. Subjects who discontinue vicriviroc for any reason will be requested to participate in long-term follow up. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00632073
Study type Interventional
Source Merck Sharp & Dohme Corp.
Contact
Status Completed
Phase Phase 1
Start date March 2008
Completion date March 2010
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