Study Results
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Basic Information
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RECRUITING
PHASE3
610 participants
INTERVENTIONAL
2025-06-18
2029-12-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Drug-susceptible TB (A1)
2 months (9 weeks) BLSZ regimen: The treatment involves the use of bedaquiline (B), linezolid (L), sitafloxacin (S), and pyrazinamide (Z) throughout the entire process. At the end of 2 months (9 weeks) of treatment, if the sputum smear is still positive or if clinical symptoms have not improved, the treatment duration can be extended to 13 weeks. After the extended treatment period (3 months or 13 weeks), if the sputum smear remains positive or if clinical symptoms have not been relieved, the patient should be switched to the standard treatment regimen, and the subject should be withdrawn from the study.
Bedaquiline (B)
The initial dose of bedaquiline is 400 mg daily for 2 weeks, followed by 200 mg three times a week.
Sitafloxacin (S)
200mg once daily
Linezolid (L)
600mg once daily
Pyrazinamide (Z)
20-30 mg/kg/day; 1000 mg for patients weighing \<50 kg, 1500 mg for patients weighing ≥50 kg but \<75 kg, and 2000 mg for patients weighing ≥75 kg.
Drug-resistant TB (A2)
2 months (9 weeks) BLSZ regimen: The treatment involves the use of bedaquiline (B), linezolid (L), sitafloxacin (S), and pyrazinamide (Z) throughout the entire process. At the end of 2 months (9 weeks) of treatment, if the sputum smear is still positive or if clinical symptoms have not improved, the treatment duration can be extended to 13 weeks. After the extended treatment period (3 months or 13 weeks), if the sputum smear remains positive or if clinical symptoms have not been relieved, the patient should be switched to the standard treatment regimen, and the subject should be withdrawn from the study.
Bedaquiline (B)
The initial dose of bedaquiline is 400 mg daily for 2 weeks, followed by 200 mg three times a week.
Sitafloxacin (S)
200mg once daily
Linezolid (L)
600mg once daily
Pyrazinamide (Z)
20-30 mg/kg/day; 1000 mg for patients weighing \<50 kg, 1500 mg for patients weighing ≥50 kg but \<75 kg, and 2000 mg for patients weighing ≥75 kg.
Drug-susceptible TB (B)
2HRZE/4HR (26 weeks): Four drugs-isoniazid (H), rifampicin (R), pyrazinamide (Z), and ethambutol (E)-are used during the first 2 months of the intensive phase. This is followed by 4 months of consolidation treatment, during which only isoniazid and rifampicin are used.
Pyrazinamide (Z)
20-30 mg/kg/day; 1000 mg for patients weighing \<50 kg, 1500 mg for patients weighing ≥50 kg but \<75 kg, and 2000 mg for patients weighing ≥75 kg.
Isoniazid (H)
4-6 mg/kg once daily, 300 mg once daily
Rifampicin (R)
8-12 mg/kg once daily, 450 mg for patients weighing \<50 kg, 600 mg for patients weighing ≥50 kg but \<75 kg, and 750 mg for patients weighing ≥75 kg.
Ethambutol (E)
15-25 mg/kg once daily, 750 mg once daily
Drug-resistant TB (C)
6 months (26 weeks) of BPaLM: The treatment involves the use of bedaquiline (B), pretomanid (Pa), linezolid (L), and moxifloxacin (M) throughout the entire course. If the sputum culture remains positive at 4 months, or if clinical symptoms are not relieved by 6 months, or if chest CT results show worsening at 6 months, the treatment may be extended to 9 months. If the patient chooses to withdraw from the study at 6 months, they are allowed to do so.
Bedaquiline (B)
The initial dose of bedaquiline is 400 mg daily for 2 weeks, followed by 200 mg three times a week.
Linezolid (L)
600mg once daily
Moxifloxacin (M)
400mg once daily
Pretomanid (Pa)
200mg once daily
Interventions
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Bedaquiline (B)
The initial dose of bedaquiline is 400 mg daily for 2 weeks, followed by 200 mg three times a week.
Sitafloxacin (S)
200mg once daily
Linezolid (L)
600mg once daily
Pyrazinamide (Z)
20-30 mg/kg/day; 1000 mg for patients weighing \<50 kg, 1500 mg for patients weighing ≥50 kg but \<75 kg, and 2000 mg for patients weighing ≥75 kg.
Isoniazid (H)
4-6 mg/kg once daily, 300 mg once daily
Rifampicin (R)
8-12 mg/kg once daily, 450 mg for patients weighing \<50 kg, 600 mg for patients weighing ≥50 kg but \<75 kg, and 750 mg for patients weighing ≥75 kg.
Ethambutol (E)
15-25 mg/kg once daily, 750 mg once daily
Moxifloxacin (M)
400mg once daily
Pretomanid (Pa)
200mg once daily
Eligibility Criteria
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Inclusion Criteria
2. Clinical symptoms and/or pulmonary imaging (chest X-ray or chest CT) support the diagnosis of active pulmonary tuberculosis;
3. Microbiological testing (molecular or phenotypic) confirms the presence of Mycobacterium tuberculosis, whether resistant to rifampicin or not; Recommend using respiratory specimens for GeneXpert MTB/RIF testing;
4. Voluntarily sign the informed consent form for participating in this project and be able and willing to accept follow-up visits;
5. Willing to undergo HIV testing;
6. Willing to preserve samples including DNA;
7. For women with fertility, they have a negative serum or urine pregnancy test within 3 days before enroll the study and be willing to use effective contraceptive measures during the study period. Female subjects without fertility must have records of menopause, hysterectomy, bilateral oophorectomy, or bilateral tubal ligation. Acceptable forms of contraception include condoms, intrauterine devices, cervical caps with spermicides, and diaphragm with spermicides.
Exclusion Criteria
2. Intolerance or allergy to any investigational drug (i.e., bedaquiline, linezolid, fluoroquinolones \[including moxifloxacin, sitagliptin\], pyrazinamide);
3. Resistance to any investigational drug (i.e., bedaquiline, linezolid, fluoroquinolones \[including moxifloxacin, sitagliptin\], pyrazinamide). The following detection methods can be used: tNGS or other drug sensitivity testing methods (such as GeneXpert MTB/XDR, dissolution curve method, phenotypic drug sensitivity, etc.);
4. Suffering from hematogenous disseminated tuberculosis or coexisting with extrapulmonary tuberculosis (as specified in this study, the scope of pulmonary tuberculosis includes: simple pulmonary tuberculosis, pulmonary tuberculosis + tuberculous pleurisy/bronchial tuberculosis/mediastinal lymph node tuberculosis. Extrapulmonary tuberculosis refers to tuberculosis other than the chest-related types mentioned above);
5. Presence of non-tuberculous mycobacteria or other microbial lung infections that affect treatment outcomes;
6. Simultaneously using drugs that affect the efficacy of this study or have contraindications for combination therapy;
7. Use of any immunosuppressive medication or systemic glucocorticoids for more than 2 weeks before screening;
8. Any medication currently used or planned to be used that is known to significantly prolong the QTc interval, including but not limited to: amiodarone, amitriptyline, chloroquine, chlorpromazine, cisapride, dipyridamole, itraconazole, procaine, quinidine, or sotalol;
9. Uncontrolled blood sugar in diabetes, with no likelihood of improving blood sugar status according to the judgment of the researchers;
10. HIV positive;
11. Coexisting with severe autoimmune diseases, severe liver and kidney dysfunction, psychiatric disorders, hematological disorders, or malignant tumors;
12. Laboratory parameters within 14 days prior to recruitment: (1) Serum AST and ALT levels ≥ 3 times the upper limit of normal (ULN); (2) Blood creatinine ≥ 2 times ULN; (3) Hemoglobin ≤ 70 g/L; (4) Platelet count ≤ 50 × 10\^9/L; (5) Blood potassium levels are ≥ 5.5 mmol/L or ≤ 3.5 mmol/L;
13. ECG QTcF ≥450 ms (allowing for one re-test during the screening phase to reassess eligibility for inclusion); Presence of one or more risk factors that could cause QT interval prolongation, such as arrhythmia, myocardial ischemia, etc.; history or family history of long QT syndrome;
14. Women who are pregnant or breastfeeding;
15. Weight \<30 kg, or ≥90 kg;
16. The patient has participated in clinical trials of other drugs within the past 3 months during the screening period;
17. Other conditions deemed unsuitable for participation in the study by the research doctors.
18 Years
65 Years
ALL
No
Sponsors
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First Affiliated Hospital of Zhejiang University
OTHER
Beijing Chest Hospital of Capital Medical University
UNKNOWN
Shenyang Tenth People's Hospital
OTHER
The Sixth People's Hospital of the Xinjiang Uygur Autonomous Region
UNKNOWN
The Fourth Hospital of Inner Mongolia Autonomous Region
UNKNOWN
Guizhou Aerospace Hospital
UNKNOWN
Shenzhen Third People's Hospital
OTHER
Responsible Party
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Shuihua Lu
Professor
Locations
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Beijing Chest Hospital of Capital Medical University
Beijing, , China
Shenzhen Third People's Hospital
Shenzhen, , China
The Sixth People's Hospital of the Xinjiang Uygur Autonomous Region
Ürümqi, , China
Countries
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Central Contacts
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Facility Contacts
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References
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Paton NI, Cousins C, Suresh C, Burhan E, Chew KL, Dalay VB, Lu Q, Kusmiati T, Balanag VM, Lee SL, Ruslami R, Pokharkar Y, Djaharuddin I, Sugiri JJR, Veto RS, Sekaggya-Wiltshire C, Avihingsanon A, Sarin R, Papineni P, Nunn AJ, Crook AM; TRUNCATE-TB Trial Team. Treatment Strategy for Rifampin-Susceptible Tuberculosis. N Engl J Med. 2023 Mar 9;388(10):873-887. doi: 10.1056/NEJMoa2212537. Epub 2023 Feb 20.
Conradie F, Bagdasaryan TR, Borisov S, Howell P, Mikiashvili L, Ngubane N, Samoilova A, Skornykova S, Tudor E, Variava E, Yablonskiy P, Everitt D, Wills GH, Sun E, Olugbosi M, Egizi E, Li M, Holsta A, Timm J, Bateson A, Crook AM, Fabiane SM, Hunt R, McHugh TD, Tweed CD, Foraida S, Mendel CM, Spigelman M; ZeNix Trial Team. Bedaquiline-Pretomanid-Linezolid Regimens for Drug-Resistant Tuberculosis. N Engl J Med. 2022 Sep 1;387(9):810-823. doi: 10.1056/NEJMoa2119430.
Nyang'wa BT, Berry C, Kazounis E, Motta I, Parpieva N, Tigay Z, Solodovnikova V, Liverko I, Moodliar R, Dodd M, Ngubane N, Rassool M, McHugh TD, Spigelman M, Moore DAJ, Ritmeijer K, du Cros P, Fielding K; TB-PRACTECAL Study Collaborators. A 24-Week, All-Oral Regimen for Rifampin-Resistant Tuberculosis. N Engl J Med. 2022 Dec 22;387(25):2331-2343. doi: 10.1056/NEJMoa2117166.
Nyang'wa BT, Berry C, Kazounis E, Motta I, Parpieva N, Tigay Z, Moodliar R, Dodd M, Solodovnikova V, Liverko I, Rajaram S, Rassool M, McHugh T, Spigelman M, Moore DA, Ritmeijer K, du Cros P, Fielding K; TB-PRACTECAL team. Short oral regimens for pulmonary rifampicin-resistant tuberculosis (TB-PRACTECAL): an open-label, randomised, controlled, phase 2B-3, multi-arm, multicentre, non-inferiority trial. Lancet Respir Med. 2024 Feb;12(2):117-128. doi: 10.1016/S2213-2600(23)00389-2. Epub 2023 Nov 16.
Zhang Y, Shi W, Zhang W, Mitchison D. Mechanisms of Pyrazinamide Action and Resistance. Microbiol Spectr. 2014 Aug;2(4):MGM2-0023-2013. doi: 10.1128/microbiolspec.MGM2-0023-2013.
Zhang Y, Chiu Chang K, Leung CC, Wai Yew W, Gicquel B, Fallows D, Kaplan G, Chaisson RE, Zhang W. 'Z(S)-MDR-TB' versus 'Z(R)-MDR-TB': improving treatment of MDR-TB by identifying pyrazinamide susceptibility. Emerg Microbes Infect. 2012 Jul;1(7):e5. doi: 10.1038/emi.2012.18. Epub 2012 Jul 25.
Fu L, Zhang X, Xiong J, Sun F, Weng T, Li Y, Zhang P, Li H, Yang Q, Cai Y, Liang H, Chen Q, Wang Z, Liu L, Chen X, Zhang W, Deng G. Selecting an appropriate all-oral short-course regimen for patients with multidrug-resistant or pre-extensive drug-resistant tuberculosis in China: A multicenter prospective cohort study. Int J Infect Dis. 2023 Oct;135:101-108. doi: 10.1016/j.ijid.2023.08.001. Epub 2023 Aug 10.
Other Identifiers
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SMART-C2405002
Identifier Type: -
Identifier Source: org_study_id
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