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RECRUITING
NCT04975178
PHASE3

Efficacy, Safety and Immunogenicity Evaluation of MTBVAC in Newborns in Sub-Saharan Africa

Sponsor: Biofabri, S.L

View on ClinicalTrials.gov

Summary

The objective of this project is to demonstrate safety, immunogenicity and improved efficacy of the new live attenuated M. tuberculosis vaccine called MTBVAC in a Phase 3 efficacy trial in HIV-uninfected infants born to HIV-infected and HIV-uninfected mothers as compared to standard of care BCG vaccination. The proposal builds upon a group of TB vaccine development partners in Europe and sub-Saharan Africa established in a previous EDCTP-supported project. It creates an expanded consortium of clinical trial partners for the optimal implementation of a large infant efficacy trial of MTBVAC in high TB incidence settings. New capacity for efficacy trials in infants will be a valuable resource for the TB vaccine development community. The proposal will create a network of institutions in three TB endemic African countries with enhanced laboratory capacity to conduct TB vaccine immunology studies and to bio-bank samples to discover immune correlates of vaccine-mediated protection.

Official title: Randomised, Double-Blind, Controlled Phase 3 Trial to Evaluate the Efficacy, Safety and Immunogenicity of MTBVAC in Healthy HIV Unexposed (HU) and HIV Exposed Uninfected (HEU) Newborns in Tuberculosis-Endemic Regions of Sub-Saharan Africa

Key Details

Gender

All

Age Range

5 Minutes - 7 Days

Study Type

INTERVENTIONAL

Enrollment

7120

Start Date

2022-10-17

Completion Date

2029-02

Last Updated

2025-02-10

Healthy Volunteers

Yes

Conditions

Interventions

BIOLOGICAL

MTBVAC

MTBVAC is a novel TB vaccine candidate based on an attenuated M. tuberculosis clinical isolate of the Euro-American lineage. Attenuation is based on two independent, stable genetic deletions of the genes phoP and fadD26 coding for two major virulence factors, the transcription factor PhoP and the cell-wall lipids PDIM, respectively. We hypothesize that MTBVAC will provide improved protection, as individuals latently infected with live M.tuberculosis have an 80% lower chance of developing TB, and as MTBVAC contains most of the genes deleted from BCG and presents a wider collection of antigens to the host immune system. Preclinical studies in different animal models indicated that MTBVAC is safe and is able to induce an improved protection compared to BCG.

BIOLOGICAL

BCG

BCG is a live attenuated M. bovis strain developed 100 years ago and is used as a preventive vaccine against tuberculosis. It is administered at birth.

Locations (1)

South African Tuberculosis Initiative, Brewelskloof Hospital

Worcester, Western Cape, South Africa