HIV Clinical Trial - Changes in Cerebral Function in Treatment Naive HIV-1

Status Completed

Clinical Trial Summary

The purpose of this study is to compare two different combination anti-HIV therapies over 48 weeks and to assess if differences in improvement in the function of the brain are observed over this period.

The study will compare anti-HIV therapy combinations which are currently in use.

The patients will not have had any previous treatment for their HIV infection.

Clinical Trial Description

Impairment in neurocognitive(NC) function in HIV-infected subjects in the current anti-retroviraltreatment (cART) era has been associated with poor compliance with cART, reduced quality-of-life and increased mortality. Reported factors associated with the development of NC function impairment in HIV disease and risks associated with progression of such impairment include degree of immune suppression related to HIV infection, other chronic viral infections (such as chronic hepatitis C co-infection), age and central nervous system (CNS) antiretroviral drug exposure.

One modifiable factor which may be associated with the evolution of NC function impairment is the direct effect of cART on the central-nervous-system (CNS). Certain antiretroviral drugs such as zidovudine, lamivudine, abacavir, nevirapine, efavirenz and indinavir are known to achieve optimal exposure in the cerebro-spinal-fluid (CSF) whereas other drugs, such as the majority of the HIV-1 protease inhibitors penetrate less effectively. Studies to date suggest different cART regimens may have differing effects on NC performance. In the EuroSIDA study, the use of nucleoside-reverse-transcriptase inhibitors was found to specifically protect against the development of HIV related brain disease. More recently, in a small prospective study, ALTAIR, different effect on cerebral function was reported in subjects randomised to commence three different cART regimens.

The investigators propose, in a prospective, randomised study to assess the effects of two different antiretroviral regimens on NC function in HIV infected subjects commencing antiretroviral therapy for the first time. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01367236
Study type	Interventional
Source	Imperial College London
Contact
Status	Completed
Phase	Phase 4
Start date	January 2013
Completion date	October 2015

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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.

Changes in Cerebral Function in Treatment Naive HIV-1 Infected Subjects Commencing Either Boosted Atazanavir With Truvada or Boosted Darunavir With Maraviroc and Kivexa — CogUK

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms