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A Phase 2, partially-blinded, randomised trial assessing the safety and efficacy of TBAJ876 or bedaquiline, in combination with pretomanid and linezolid in adult participants with newly diagnosed, drug-sensitive, smear-positive pulmonary tuberculosis

A phase 2, partially-blinded, randomised trial assessing the safety and efficacy of TBAJ876 or bedaquiline, in combination with pretomanid and linezolid in adult participants with newly diagnosed, drug-sensitive, smear-positive pulmonary tuberculosis

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
PACTR
Registry ID
PACTR202311505748497
Enrollment
300
Registered
2023-11-10
Start date
2023-09-15
Completion date
Unknown
Last updated
2026-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Tuberculosis

Interventions

TBAJ876 25 mg Pa L HR
TBAJ876 50mg Pa L HR
TBAJ876 100mg Pa L HR
B Pa L

Sponsors

TB Alliance
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Signed written informed consent prior to undertaking any trial-related procedures. 2. Participants aged 18 to 65 years, inclusive. 3. Body weight (in light clothing and no shoes) =35 kg. 4. Sputum positive for tubercle bacilli (at least 1+ on the IUATLD/WHO scale [Section 13.4] on smear microscopy) at the trial laboratory. 5. DS-TB participants defined as the following: a. Sensitive to rifampicin and isoniazid by rapid sputum-based test AND b. Either newly diagnosed for TB or have a history of being untreated for at least 3 years after cure from a previous episode of TB. 6. A chest x-ray during the screening period or within 14 days of screening which in the opinion of the investigator is compatible with pulmonary TB. 7. Be of non-childbearing potential OR using effective methods of birth control

Exclusion criteria

Exclusion criteria: 1. History or presence of pulmonary, hepatic, musculoskeletal abnormalities, renal, hematological, gastrointestinal, endocrine, immunologic, dermatologic, neurological, psychiatric disease 2. Cardiovascular abnormalities 3. Karnofsky performance status score of 450 msec at screening visit. 12. Participants with any of the following at the screening visit per medical history: a. A personal or family history of congenital QT prolongation, b. A history of known, untreated, and uncontrolled hypothyroidism, c. A history of or ongoing bradyarrhythmia, d. A history of Torsade de Pointe. 13. Unstable Diabetes Mellitus which required hospitalization for hyper- or hypo-glycemia within the past year prior to the start of screening. 14. Females who have a positive pregnancy test during the screening visit or are already known to be pregnant, breastfeeding, or planning to conceive a child during the trial or within 6 months of completing treatment with IMP. Males planning to conceive a child during the trial or within 6 months of stopping treatment with IMP. 15. Any diseases or conditions in which the use of standard TB drugs or any of their components is contra-indicated, including but not limited to drug allergy. 16. Use of any drug within 30 days prior to randomisation known to prolong QTc interval.

Design outcomes

Primary

MeasureTime frame
Time to stable sputum culture conversion to negative status using data from weekly cultures through 8 weeks of treatment.

Secondary

MeasureTime frame
Proportion of participants with a favourable outcome at 26 weeks after the end of treatment.

Countries

Tanzania, Uganda

Contacts

Public ContactHarriet;Nyanda Elias Mayanja Kizza;Ntinginya

National PI Uganda;National PI Tanzania

harriet.mayanja@mak.ac.ug;nelias@mmrp.org+256772593482;+255252503364

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Feb 4, 2026