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Structured Treatment Interruption for HIV Patients With Virologic Failure

HIV Clinical Trial

Official title:
A Prospective Randomized Trial of Structured Treatment Interruption(STI) Followed by Initiation of a New Antiretroviral Regimen(ARV) Versus Immediate Switching to a New ARV in HIV-Infected Patients Experiencing Virologic Failure on HAART

Clinical Trial Summary

The purpose of this study is to assess the virologic impact of switching treatment-experienced HIV-infected patients with virologic failure to a salvage regimen with or without a 12 week STI prior to the switch.

Hypothesis: A STI prior to starting a salvage regimen will result in an improved virologic response.

Clinical Trial Description

To prospectively determine the virologic impact of switching treatment-experienced HIV-infected patients with virologic failure to a salvage regimen with or without a 12 week STI prior to the switch.

Hypothesis: By withdrawing ARV drug pressure, resistant HIV virus will revert to wild-type. In treatment-experienced HIV patients who experience virologic failure, a STI prior to starting a salvage regimen will result in an improved virologic response and more prolonged vral suppression compared to immediate switching to a new regime.

Interventions:

Immediate Switch to Salvage Therapy: Patients randomized to the control arm will be switched immediately to a salvage regimen using the information from the treatment history and genotype results.

Structured Treatment Interruption: Patients randomized to the STI arm will have their present regimen stopped for 12 weeks and will have a genotype repeated in the 12th week. A salvage regimen will be started at week 12 using the information from the treatment history and baseline genotype results. ;

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 NCT00188851
Study type Interventional
Source University Health Network, Toronto
Contact
Status Completed
Phase N/A
Start date January 2001
Completion date November 2005
View Details
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