Phase 2 Tuberculosis Trial, Recruiting NCT06192160 Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) Condition: Tuberculosis
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Phase 2 Tuberculosis Trial, Recruiting

NCT06192160
Recruiting Phase 2

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People diagnosed with pulmonary (lung) tuberculosis (TB) who have either never been treated for TB before, or who completed TB treatment more than 2 years ago, with a positive sputum (mucus/phlegm) test result showing a medium or high level of TB bacteria within the last 7 days.
  • People whose TB has been confirmed by laboratory testing within the last 7 days to be sensitive (not resistant) to two common TB antibiotics: isoniazid (INH) and rifampicin (RIF).
  • People who have had their HIV status confirmed through approved testing, following a documented process for confirming a positive result if applicable.
  • People living with HIV who have a CD4+ immune cell count of at least 100 cells/mm³, tested within the last 30 days.
  • People living with HIV who are already taking, or plan to start by week 8 of the trial, a dolutegravir-based HIV treatment regimen.
  • People aged 18 years or older.
  • People whose recent blood test results (within the last 7 days) fall within acceptable ranges for liver enzymes, kidney function, potassium and magnesium levels, white blood cells, red blood cells (haemoglobin), and platelets — and who test negative for hepatitis B and hepatitis C infections.
  • Women who could become pregnant must have a negative pregnancy test within 3 days before joining, and must agree to use at least two forms of contraception during the trial and for 12 months after stopping the study medications.
  • Women who cannot become pregnant (due to menopause, hysterectomy, removal of both ovaries, or tubal ligation) are eligible without needing to use contraception.
  • Women who could become pregnant but do not engage in sexual activity that could lead to pregnancy do not need to use additional contraception.
  • Men who engage in sexual activity that could lead to a partner's pregnancy must agree to remain abstinent or use male contraception during the trial and for 90 days after stopping the experimental treatment, and are strongly encouraged to inform partners who could become pregnant to also use effective contraception.
  • Men who have had a confirmed successful vasectomy or confirmed absence of sperm for any reason are eligible without needing to use contraception.
  • Men with pregnant partners must agree to use condoms during vaginal intercourse for the duration of the trial and for 90 days after stopping the experimental treatment.
  • Men must agree not to donate sperm during the trial and for 90 days after stopping the experimental treatment.
  • People with a Karnofsky performance score of 60 or above (a measure of general physical functioning) assessed within the last 14 days (confirm with trial site).
  • People who have had a chest X-ray within the last 14 days.
  • People who have a verifiable home address and are willing to let the study team know if they move during the trial.
  • People who are willing and able to give their informed consent to participate.

Who may not be able to join:

  • People who have already received more than 7 cumulative days of TB treatment for their current TB episode in the 60 days before joining the trial.
  • People who, in the opinion of the treating doctor, currently have TB affecting parts of the body other than the lungs.
  • People whose heart rhythm test (ECG) shows a QTcF interval greater than 450 milliseconds within the last 7 days (a measure of heart electrical activity).
  • People with a current or past history of heart failure.
  • People with a personal or family history of a condition called congenital long QT syndrome (an inherited heart rhythm disorder).
  • People with a known and untreated underactive thyroid (hypothyroidism).
  • People with a history of, or ongoing, an abnormally slow heart rhythm (bradyarrhythmia).
  • People with a history of a serious heart rhythm disorder called torsades de pointes.
  • People currently experiencing moderate or severe peripheral neuropathy (nerve damage causing pain, numbness, or weakness, typically in the hands or feet).
  • People with other significant health conditions — such as diabetes, liver or kidney disease, blood disorders, or chronic diarrhoea — where, in the opinion of the site doctor, the current health condition is likely to affect treatment or assessment.
  • People who are pregnant, breastfeeding, or planning to become pregnant within the next 12 months.
  • People who weigh less than 35 kg.
  • People who are unable to swallow oral medications.
  • People currently taking any medications listed as prohibited by the trial.
  • People with a known allergy or sensitivity to any of the investigational study drugs or their ingredients.
  • People with active drug or alcohol use or dependence, or a mental health condition (such as major depression) that, in the opinion of the site doctor, could interfere with following the trial requirements.
  • People who have taken another experimental drug or vaccine within 30 or more days before joining the trial.

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 28 July 2026
Phase 2: approximately ~30% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: Radojka Savic, PharmD, PhD, University of California

Phone: 415-502-0640

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 2
Registry
ClinicalTrials.gov
Start date
11 March 2025
Est. completion
11 November 2026

Where this trial is recruiting

Botswana 🇧🇷 Brazil Haiti 🇮🇳 India Kenya Malawi 🇲🇽 Mexico 🇵🇪 Peru 🇵🇭 Philippines 🇿🇦 South Africa 🇹🇭 Thailand Uganda 🇻🇳 Vietnam Zimbabwe

Primary endpoints

Difference in mean log10 (Time to positivity (TTP)) slope from longitudinal mycobacteria growth indicator tube (MGIT) liquid culture measurements over the first 6 weeks of treatment; Difference in the cumulative proportion of participants having at least one new Grade 3 or higher adverse event (AE) by week 8 of treatment

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov