HIV Clinical Trial - Safety & Immunogenicity of ChAdV63.HIVconsv &

Status Completed

Clinical Trial Summary

The HIVconsv gene was constructed by assembling the 14 most conserved regions of the HIV-1 proteome into one chimaeric protein. This gene has been inserted into 2 leading non-replicating vaccine vectors: an attenuated chimpanzee adenovirus serotype 63 (ChAdV63) and a modified vaccinia virus Ankara (MVA) to construct the ChAdV63.HIVconsv and MVA.HIVconsv HIV-1 candidate vaccines. The present study is named ChAd-MVA.HIVconsv-BCN01 and it is a phase I, multicenter primary/booster therapeutic vaccination study to evaluate the safety and immunogenicity of ChAdV63.HIVcons and MVA.HIVconsv HIV-1 vaccines, delivered intramuscularly according to a 0-8 weeks or a 0-24 weeks schedule to recently HIV-1 infected individuals with early viral suppression 6 months after initiation of Tenofovir/Emtricitabine plus Raltegravir.

Clinical Trial Description

It is a Phase I, multicenter primary/booster therapeutic vaccination study to evaluate the safety and immunogenicity of ChAdV63.HIVcons and MVA.HIVconsv HIV-1 vaccines, delivered intramuscularly according to a 0-8 weeks or a 0-24 weeks schedule to recently HIV-1 infected individuals with early viral suppression 6 months after initiation of Tenofovir/Emtricitabine plus Raltegravir. 24 patients who meet all eligibility criteria will be enrolled, first 10 individuals will be assigned in the 0-24 week prime/boost regimen (ARM A). The next 10 volunteers will be assigned in the 0-8 week prime/boost regimen (ARM B).Four additional volunteers will be included as 'back-up' and assigned 2 in ARM A and 2 in ARM B to cover a possible 10% of patients who drop-off during the follow-up. Purpose of staging of 2 study arms is just to shorten overall study duration (from screening of first volunteer to 6 months after last immunisation of last volunteer). Lastly, 24 patients who also meet all eligibility criteria will be enrolled as controls, will also initiate promptly antiretroviral treatment with Tenofovir/Emtricitabine plus Raltegravir but will not receive the investigational vaccines. Control patients will consecutively be assigned to the 0-24w control arm (ARM C 'long control') or 0-8w control arm (ARM D 'short control') until 12 patients per arm are reached. The purpose of the control arms is to have a study population to compare the viral reservoir decay kinetics in the absence of vaccination. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01712425
Study type	Interventional
Source	IrsiCaixa
Contact
Status	Completed
Phase	Phase 1
Start date	October 2012
Completion date	October 2015

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See also
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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.

Safety and Immunogenicity of ChAdV63.HIVconsv and MVA.HIVconsv Candidate HIV-1 Vaccines in Recently HIV-1 Infected Individuals

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms