Efficacy, Safety and Immunogenicity Evaluation of MTBVAC in Newborns in Sub-Saharan Africa
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.
Timeline
- Start
- 2022-10-17
- Primary completion
- 2029-02
- Completion
- 2029-02
Publications
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- Background Tait DR, Hatherill M, Van Der Meeren O, Ginsberg AM, Van Brakel E, Salaun B, Scriba TJ, Akite EJ, Ayles HM, Bollaerts A, Demoitie MA, Diacon A, Evans TG, Gillard P, Hellstrom E, Innes JC, Lempicki M, Malahleha M, Martinson N, Mesia Vela D, Muyoyeta M, Nduba V, Pascal TG, Tameris M, Thienemann F, Wilkinson RJ, Roman F. Final Analysis of a Trial of M72/AS01E Vaccine to Prevent Tuberculosis. N Engl J Med. 2019 Dec 19;381(25):2429-2439. doi: 10.1056/NEJMoa1909953. Epub 2019 Oct 29.
- Background Tameris MD, Hatherill M, Landry BS, Scriba TJ, Snowden MA, Lockhart S, Shea JE, McClain JB, Hussey GD, Hanekom WA, Mahomed H, McShane H; MVA85A 020 Trial Study Team. Safety and efficacy of MVA85A, a new tuberculosis vaccine, in infants previously vaccinated with BCG: a randomised, placebo-controlled phase 2b trial. Lancet. 2013 Mar 23;381(9871):1021-8. doi: 10.1016/S0140-6736(13)60177-4.
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- Background White AD, Sibley L, Sarfas C, Morrison A, Gullick J, Clark S, Gleeson F, McIntyre A, Arlehamn CL, Sette A, Salguero FJ, Rayner E, Rodriguez E, Puentes E, Laddy D, Williams A, Dennis M, Martin C, Sharpe S. MTBVAC vaccination protects rhesus macaques against aerosol challenge with M. tuberculosis and induces immune signatures analogous to those observed in clinical studies. NPJ Vaccines. 2021 Jan 4;6(1):4. doi: 10.1038/s41541-020-00262-8.
- Background Whitehead J. Overrunning and underrunning in sequential clinical trials. Control Clin Trials. 1992 Apr;13(2):106-21. doi: 10.1016/0197-2456(92)90017-t.
- Giersing B, Mo AX, Hwang A, Baqar S, Earle K, Ford A, Deal C, Dull P, Friede M, Hall BF. Meeting summary: Global vaccine and immunization research forum, 2023. Vaccine. 2025 Feb 6;46:126686. doi: 10.1016/j.vaccine.2024.126686. Epub 2025 Jan 5.
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Comparator | BCG | Vaccine | 0.05 ml | Intrathecal |
| Subject | MTBVAC | Vaccine | 0.05 ml | Intrathecal |