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Clinical Trial Summary

A5409/RAD-TB is an adaptive Phase 2 randomized, controlled, open-label, dose-ranging, platform protocol to evaluate the safety and efficacy of multidrug regimens for the treatment of adults with drug-susceptible pulmonary tuberculosis (TB). A5409 hypothesizes that novel regimens for the treatment of pulmonary tuberculosis will result in superior early efficacy, as determined by longitudinal mycobacteria growth indicator tube (MGIT) liquid culture time to positivity (TTP) measurements over the first 6 weeks of treatment, and will have acceptable safety and tolerability over 8 weeks of treatment relative to standard of care [(SOC) isoniazid/rifampicin/pyrazinamide/ethambutol (HRZE)]. The study will run for 52 weeks, inclusive of 26 weeks of TB treatment comprised of 8 weeks of experimental or SOC treatment (based on treatment arm assignment) followed by 18 weeks of SOC treatment with 45 participants in each experimental treatment arm and at least 90 participants in the SOC arm.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT06192160
Study type Interventional
Source National Institute of Allergy and Infectious Diseases (NIAID)
Contact Radojka Savic, PharmD, PhD
Phone 415-502-0640
Email rada.savic@ucsf.edu
Status Not yet recruiting
Phase Phase 2
Start date April 15, 2024
Completion date April 14, 2026

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