CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 831 enrolled
Drug / intervention
H56:IC31 +1 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03512249
NCT03512249Phase 2Completed

Phase 2, Double-blind, Randomized, Placebo-Controlled Study to Evaluate Safety and Efficacy of H56:IC31 in Reducing the Rate of TB Disease Recurrence in HIV Negative Adults Successfully Treated for Drug-Susceptible Pulmonary Tuberculosis

International AIDS Vaccine Initiative·interventional·Posted Apr 30, 2018·Updated Feb 24, 2026

In Brief

A Phase 2 clinical trial evaluating H56:IC31 and Placebo for Tuberculosis, Pulmonary. Completed, enrolled 831 participants across 6 sites in 2 countries.

Detailed Summary

This is a phase 2, double-blind, randomized (1:1), placebo-controlled trial with two parallel groups. * H56:IC31 (investigational vaccine) * Placebo 900 HIV-negative adults with a diagnosis of drug susceptible pulmonary TB are planned to be included, recruited from TB clinics with established relationships to the trial sites at the start of their TB treatment. 5 study sites in South Africa: 2 sites from the AURUM institute (Klerksdorp and Tembisa) and 3 in Cape Town at TASK Applied Science (TASK), the University of Cape Town Lung Institute (UCTLI) and South African Tuberculosis Vaccine Initiative (SATVI) under UCT, respectively. 1 study site in Tanzania (TZ): 1 site at Mbeya Medical Research Centre (MMRC) under the National Institute for Medical Research (NIMR).

Study Details

Timeline

Phase 2CompletedFinished
20192020202120222023202420252026
First PostedApr 30, 2018
Enrollment StartJan 31, 2019
Primary CompletionMar 20, 2023
TodayJul 2, 2026
Enrollment to primary: 4.1 yearsPosted 8.2 years ago

Interventions

H56:IC31biological

5ug H56/500 nmol IC31

Placebobiological

Sterile saline for injection