New hope for Drug-Resistant TB: shorter Pill-Only regimen tested
NCT ID NCT03828201
First seen Jun 27, 2026 · Last updated Jul 09, 2026 · Updated 2 times
Summary
This study tests a new combination of five oral drugs (bedaquiline, delamanid, levofloxacin, linezolid, and clofazimine) for treating multidrug-resistant tuberculosis (MDR-TB). The goal is to see if a shorter treatment course (16 to 40 weeks) can effectively cure the infection with fewer side effects. About 271 participants aged 12 and older with MDR-TB will be enrolled. The study compares different treatment lengths to find the best balance of effectiveness and safety.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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271 people
The number who actually took part.
- Started
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Jun 2022
- Expected to finish
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May 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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12 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Males and females age ≥12 years. Prior to study procedures, if ≥18 years of age, provides informed consent; if \<18 years of age, child provides informed assent and has a parent or guardian who provides informed consent on the participant's behalf. 2. Has pulmonary TB based on investigator assessment of all available information (e.g., chest radiograph, sputum smear, culture, molecular testing). 3. Has a sputum sample that is positive for M. tuberculosis that is rifamycin-resistant and fluoroquinolone-susceptible by molecular assay. 4. Is HIV seropositive or seronegative; HIV serostatus must be assessed at screening if either (a) HIV serostatus is unknown, or (b) the last documented negative HIV test was more than two (2) months prior to screening. 5. Willing to attend scheduled follow-up visits and undergo study assessments. 6. Participants of child-bearing potential must agree either (a) to practice an adequate birth control (defined as one of the following oral contraceptives, intrauterine devices, contraceptive implants under the skin, contraceptive rings or patches or injections, diaphragms with spermicide or condoms with foam) or (b) to abstain from heterosexual intercourse during study regimen. Exclusion Criteria: 1. Current MTB isolate is known at screening to be fluoroquinolone-resistant. 2. History of allergy (hypersensitivity) or intolerability to one or more agents in the study regimen (i.e., Delamanid, Linezolid, Levofloxacin, Clofazimine or Bedaquiline) 3. History of serotonin syndrome 4. History of symptomatic ventricular arrhythmia or is taking anti-arrhythmic agents 5. History of optic neuropathy or peripheral neuropathy 6. History of Ehlers-Danlos Syndrome, Marfan Syndrome or aortic aneurism 7. History of prior treatment with delamanid or linezolid for TB for greater than one month. 8. Has at screening received ≥14 days of second-line anti-TB drugs during current TB episode 9. Has at screening a Karnofsky score of ≤40 or, in the opinion of the Investigator, is unlikely to survive 76 weeks. 10. Has at screening laboratory results that meet one or more of the following criteria: * Hemoglobin concentration 8.0 g/dL (\<80 g/L) * Platelet count of \<80,000/mm3 * Absolute neutrophil count (ANC) \<2000/ mm3 * Serum creatinine \>2.0 mg/dL (\>177 µmol/L) * Serum ALT \>3x upper limit of normal (ULN) * Total bilirubin \>3x upper limit of normal (ULN) * Serum albumin \<2.8 g/dL (\<28 g/L) * For women of childbearing potential, a positive or indeterminate serum pregnancy test 11. For women of childbearing potential, has a positive or indeterminate urine pregnancy test on the day of randomization. 12. Has at screening a mean QTcF \>450 msec based on three ECGs. 13. At screening requires ongoing use of prohibited drugs indicated in section 4.2 14. At screening, has weight less than 33 Kg 15. In the investigator's judgement is unable to provide consent (if ≥18 years of age) or unable to provide assent (if \>12 years of age). 16. History of congestive heart failure
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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National Lung Hospital, Hanoi Lung Hospital
Hanoi, Vietnam
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TB-HIV Innovations & Clinical Research Foundation Corp
Silang, 4114, Philippines
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Sputum DNA test aims to outsmart Drug-Resistant TB
- Can a shorter TB drug combo beat Drug-Resistant TB?
- New TB test could speed up detection of Drug-Resistant strains
- TB study aims to unlock secrets of the disease
- New hope for Drug-Resistant TB: shorter, safer treatment on the horizon?