期刊
BMC INFECTIOUS DISEASES
卷 21, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12879-021-06553-2
关键词
MDR-TB; Treatment regimen; MIC; Treatment outcome; Adverse effects
资金
- Shanghai Natural Science Foundation [20ZR1446700]
- Shanghai Clinical research Center for infectious diseases (tuberculosis) [19MC 1910800]
The study confirmed that an inexpensive standardized regimen for multidrug-resistant tuberculosis (MDR-TB) with low resistance to isoniazid is effective and safe, especially for newly treated patients. The outcome of the treatment was favorable, with a high cure rate and low occurrence of adverse events.
Background To verify the efficacy and safety of an inexpensive standardized regimen for multidrug-resistant tuberculosis (MDR-TB) with low resistance to isoniazid (INH), a multicenter prospective study was conducted in eastern China. Methods Patients diagnosed as MDR-TB with low concentration INH resistance and rifampicin resistance, second-line/injectable agents sensitive were prospectively enrolled, given the regimen of Amikacin (Ak)-Fluoroquinolones (FQs)-Cycloserine (Cs)-Protionamide (Pto)-PasiniaZid (Pa)-Pyrazinamide (Z) for 6 months followed by 12 months of FQs-Cs-Pto-Pa-Z, and then followed up for treatment outcomes and adverse events (AEs). Results A total of 114 patients were enrolled into the study. The overall favorable treatment rate was 79.8% (91/114). Among 91 cases with favorable treatment, 75.4% (86/114) were cured and 4.4% (5/114) were completed treatment. Regarding to unfavorable outcomes, among 23 cases, 8.8% (10/114) had failures, 8.8% (10/114) losing follow up, 0.9% (1/114) had treatment terminated due to intolerance to drugs and 1.8% (2/114) died. Treatment favorable rate was significantly higher in newly treated MDR-TB (91.7%, 33/36) than that in retreated MDR-TB (74.4%, 58/78, p 0.03). The investigators recorded 42 AEs occurrences in 30 of 114 patients (26.3%). Clinicians rated most AEs as mild or moderate (95.24%, 40/42). Conclusions The regimen was proved to be effective, safe and inexpensive. It is suitable for specific drug resistant population, especially for newly-treated patients, which could be expected to be developed into a short-course regimen. Clinical trials registration China Clinical Trial Registry ChiCTR-OPC-16009380
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