Refining MDR-TB Treatment (T) Regimens (R) for Ultra(U) Short(S) Therapy(T)-PLUS
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- STATUS
- Recruiting
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- End date
- Feb 28, 2023
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- participants needed
- 200
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- sponsor
- Huashan Hospital
Summary
The purpose of this study is to assess the efficacy, safety and tolerability of a combination of bedaquiline, linezolid, cycloserine, clofazimine and pyrazinamide treatments guided by PZA sensitivity for 24 to 36 weeks in subjects with fluoroquinolone-resistant MDR-TB .
Description
The TB-TRUST-plus is a phaseIII, multicenter, open-label trial. The purpose of this study is to assess the feasibility of the ultra-short treatment regimen guided by PZA sensitivity among fluoroquinolone-resistant MDR-TB patients.A total of 200 participants with MDR-TB will be recruited and followed up until 84 weeks after the treatment initiation.
This regimen consists of two periods of 24-36 weeks. During the first 4-8 weeks(waiting for pyrazinamide drug sensitivity test), the regimen consists of bedaquiline, linezolid, cycloserine, clofazimine and pyrazinamide. Then based on molecular PZA drug sensitivity results, patients will be in divided into 3 sub-groups: pyrazinamide-susceptible (PZA-S) patients , pyrazinamide-resistant (PZA-R) patients and pyrazinamide-unavailable (PZA-U)patients.
The Regimen for PZA-S patients, consisting of bedaquiline, linezolid, cycloserine and pyrazinamide, are given until the 24th week (prolonged to 28 or 32 weeks if no smear conversion by end of 16th and 20th week).
PZA-R sub-group regimen, consisting of bedaquiline, linezolid, cycloserine and clofazimine ,are given until 36th week (prolonged to 40 or 44 weeks if no smear conversion by end of 16th and 20th week) .
PZA-U sub-group continue the previous regimen, consisting of bedaquiline, linezolid, cycloserine , clofazimine and pyrazinamide ,until 36th week (prolonged to 40 or 44 weeks if no smear conversion by end of 16th and 20th week) .
The primary objective is to access the treatment success rate without relapse of the PZA sensitivity guided ultra short regimen.
The secondary objective is to access the median time to sputum culture conversion. Safety evaluations performed are the routine lab tests, blood glucose, vital signs, electrocardiograph (ECG), reporting of adverse events, peripheral neuropathy brief examining with the use of a Brief Peripheral Neuropathy rating scale(BPNS) and ophthalmologic examination, including assessment of visual acuity and color visionphysical examinations and chest CT. Adverse events will be monitored and promptly managed during the whole treatment course.
Details
| Condition | drug-resistant tuberculosis |
|---|---|
| Treatment | pyrazinamide, bedaquiline, linezolid, Clofazimine, Cycloserine |
| Clinical Study Identifier | NCT04717908 |
| Sponsor | Huashan Hospital |
| Last Modified on | 29 January 2021 |
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