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Structured Treatment Interruptions With or Without Pegylated Interferon Alpha for HIV-Infected Patients After Prolonged Viral Suppression

HIV Infections Clinical Trial

Official title:
Multi-Center Trial to Evaluate the Efficacy and Safety of Structured Treatment Interruptions With or Without Pegylated Interferon Alpha for HIV-Infected Patients After Prolonged Viral Suppression (ANRS 105 INTERVAC)

Clinical Trial Summary

The purpose of this study is to determine whether the adjunctional of interferon alfa to structured treatment interruptions correlated with a long time off treatment in HIV-1 infection.

Clinical Trial Description

The limitations of the drugs used against HIV include their toxicity, their tolerability, their propensity to induce resistance when not taken with absolute regularity and their cost. Treatment interruption in patients receiving antiretroviral treatment in the setting of chronic infection is associated with viral rebound and rapid CD4 T cell decrease conducting to antiretroviral therapy restart. In patients with high CD4+ cell counts (patients receiving treatment of chronic infection with controlled viremia and patients who are receiving highly active antiretroviral therapy (HAART) now in whom treatment would not have been started based on current guidelines), the investigators evaluated whether the adjunctional of interferon alfa 2b to 3 structured treatment interruptions correlated with a long time off treatment. HAART was interrupted for 4 weeks, restarted and continued for 12 weeks. After 3 such cycles treatment was indefinitely suspended 48 weeks after study entry. Another aim of this study was to assess the immunological and virological factors associated with the duration of treatment interruption (proviral HIV DNA at baseline and during follow-up, plasma HIV RNA at baseline and during follow-up, CD4 T cell and CD8 T cell HIV specific responses at baseline and after 6 months of interruption). ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00125814
Study type Interventional
Source French National Agency for Research on AIDS and Viral Hepatitis
Contact
Status Terminated
Phase Phase 3
Start date December 2001
Completion date January 2005
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