Raltegravir With Optimized Background Therapy (OBT) in Multiple Experienced HIV-infected Patients

HIV Infections Clinical Trial

Official title: Raltegravir With Optimized Background Therapy (OBT) in Multiple Experienced HIV-infected Patients: a Retrospective Analysis of a Portuguese Cohort Treated Within the Expanded Access Program

Status Completed

Clinical Trial Summary

The purpose of this study is to evaluate the efficacy of raltegravir with optimized background therapy (OBT) in multiple-experienced HIV infected patients, measured by the proportion of patients with undetectable viral load and the mean increase of CD4 cells count at week 24 and 48.

It is also intended to evaluate:

• viral load suppression and the mean increase of CD4 cells count at week 24 and 48 in patients who needed to change antiretroviral (ARV) therapy due to inacceptable toxicity, as determined by the investigator, including patients who needed to replace T20.

• efficacy of raltegravir with OBT in HIV-2 infected patients that were included in this cohort, measured by the percentage of patients with undetectable viral load and the mean change of CD4 cells count at week 24 and 48.

Study hypotheses:

• Raltegravir with OBT is effective in achieving and maintaining a long term virologic suppression along with a significant increase on CD4 cells count in both HIV-1 and HIV-2 infected patients.

• Patients who replaced T20 by raltegravir, due to intolerance, are able to maintain long term virologic suppression.

Clinical Trial Description

Considering its novel mechanism of action, potency, safety and tolerability, and pharmacokinetic profile, raltegravir has been used in several clinical scenarios. Since its initial clinical use in multiresistant patients throughout the Expanded Access and Compassionate Use Program (started in March 2007) raltegravir has been used successfully in other clinical scenarios, including but not limited to: enfuvirtide-related serious adverse events and intolerance, nucleoside analogue inhibitors' toxicity, ritonavir and protease inhibitor intolerance and to avoid significant drug-drug interactions. Early access to raltegravir was basically focused on patients on therapeutic failure and triple-class resistance and due to enfuvirtide intolerance. In order to achieve a better understanding of the efficacy and safety profile of raltegravir in the clinical setting, it is intended to evaluate retrospectively HIV patients treated in Portugal with raltegravir since the Early Access and Compassionate Use Program (EAP) was implemented.

This is a national, multicenter, observational, clinical cohort study with retrospective collection of data. Each site will include patients who had started treatment with raltegravir under the EAP. ;

Study Design

Observational Model: Cohort, Time Perspective: Retrospective

Related Conditions & MeSH terms

• HIV Infections

• NCT number: NCT01190124
• Study type: Observational
• Source: Doroana, Maria Manuela, M.D.
• Status: Completed
• Phase: N/A
• Start date: April 2010
• Completion date: July 2010