Short-course Regimens for the Treatment of Pulmonary Tuberculosis
Public ClinicalTrials.gov record NCT05766267. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Phase 2C Clinical Trial of Novel, Short-course Regimens for the Treatment of Pulmonary Tuberculosis: CRUSH-TB (Combination Regimens for Shortening TB Treatment)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine whether one or two 17-week regimens of tuberculosis treatment bedaquiline (B or BDQ), moxifloxacin (M), pyrazinamide (Z)-- (BMZ) plus either Rifabutin (Rb) or Delamanid (D or DLM) are as effective as a standard six-month regimen for treatment of pulmonary tuberculosis (TB). All three regimens are administered daily, seven days each week. The first 17-week regimen is 2 months of bedaquiline (B or BDQ), moxifloxacin (M), pyrazinamide (Z), (BMZ) plus rifabutin (Rb) (BMZRB) followed by 2 months of bedaquiline (B or BDQ), moxifloxacin (M) and Rifabutin (Rb) (2 BMZRb/2 BMRb, Arm 1) The Second 17-week regimen is 2 months of bedaquiline (B or BDQ), moxifloxacin (M), pyrazinamide (Z), (BMZ) plus delamanid (D or DLM); (BMZD) followed by 2 months of bedaquiline (B or BDQ), moxifloxacin (M) and delamanid (D or DLM) (2 BMZD/2 BMD, Arm 2) The standard 26-week treatment control regimen which is two months of isoniazid, rifampin, ethambutol, and pyrazinamide (2HRZE) followed by four months of isoniazid and rifampin (4HR); (2HRZE/4HR, Arm 3) Target enrollment is 288 male and female participants (96/arm). participants. Participants will be followed until 78 weeks post-randomization, or until the last enrolled participant completes 52 weeks post-randomization, whichever comes first.
Study identification
- NCT ID
- NCT05766267
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Enrollment
- 288 participants
Conditions and interventions
Conditions
Interventions
- Rifabutin Drug
- Delamanid Drug
- Bedaquiline Drug
- Moxifloxacin Drug
- Pyrazinamide Drug
- Isoniazid Drug
- Rifampin Drug
- Ethambutol Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 20, 2023
- Primary completion
- Dec 30, 2026
- Completion
- Dec 30, 2027
- Last update posted
- Sep 18, 2025
2023 – 2027
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| TBTC Site 26 Seattle & King County TB Control Program | Seattle | Washington | 98104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05766267, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 18, 2025 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05766267 live on ClinicalTrials.gov.