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

Objectives: Long, ineffective, and toxic regimens hinder the treatment of patients with multidrug-resistant tuberculosis (MDR-TB) and pre-extensive drug-resistant tuberculosis (pre-XDR-TB). Methods: We conducted a multicenter cohort study to prospectively evaluate the safety and efficacy of three 9-...

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Main Authors: Liang Fu, Xilin Zhang, Juan Xiong, Feng Sun, Taoping Weng, Yang Li, Peize Zhang, Hui Li, Qianting Yang, Yi Cai, Hancheng Liang, Qiuqi Chen, Zhaoqing Wang, Lei Liu, Xinchun Chen, Wenhong Zhang, Guofang Deng
Format: Article
Language:English
Published: Elsevier 2023-10-01
Series:International Journal of Infectious Diseases
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1201971223006872
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author Liang Fu
Xilin Zhang
Juan Xiong
Feng Sun
Taoping Weng
Yang Li
Peize Zhang
Hui Li
Qianting Yang
Yi Cai
Hancheng Liang
Qiuqi Chen
Zhaoqing Wang
Lei Liu
Xinchun Chen
Wenhong Zhang
Guofang Deng
author_facet Liang Fu
Xilin Zhang
Juan Xiong
Feng Sun
Taoping Weng
Yang Li
Peize Zhang
Hui Li
Qianting Yang
Yi Cai
Hancheng Liang
Qiuqi Chen
Zhaoqing Wang
Lei Liu
Xinchun Chen
Wenhong Zhang
Guofang Deng
author_sort Liang Fu
collection DOAJ
description Objectives: Long, ineffective, and toxic regimens hinder the treatment of patients with multidrug-resistant tuberculosis (MDR-TB) and pre-extensive drug-resistant tuberculosis (pre-XDR-TB). Methods: We conducted a multicenter cohort study to prospectively evaluate the safety and efficacy of three 9-month, all-oral, 5-drug regimens. Regimen A (bedaquiline [Bdq]+linezolid [Lzd]+moxifloxacin [Mfx]+cycloserine [Cs]+pyrazinamide [Pza]) and Regimen B (Lzd+Mfx+Cs+clofazimine [Cfz]+Pza) were used to treat MDR-TB patients (Groups A and B, respectively, assigned according to the patient's treatment preference), while Regimen C (Bdq+Lzd+Cs+Cfz+Pza) was used to treat pre-XDR-TB patients (Group C). The primary endpoint was the occurrence of an unfavorable outcome within 12 months of treatment completion, regardless of regimen. Results: A total of 104 patients (34 in Group A, 46 in Group B, and 24 in Group C), with a median age of 35.5 (29.0-54.0) years, were included in the analysis population. At 12 months after treatment completion, five patients were deemed non-assessable. Of the remaining 99 participants, seven (7.1%) had an unfavorable outcome (including two deaths from any cause, four with treatment failure, and one loss to follow-up) and 92 (92.9%) had a favorable outcome. Culture conversion was achieved in 82.5% (80/97) of participants at month 2 and in 97.9% (94/97) of participants at month 6. Adverse events (AEs) resulting in drug adjustment occurred in 69.2% (72/104) of participants, mainly due to Lzd and Pza use. A QT interval prolongation of ≥ 500 ms occurred in 5.8% (6/104) of participants. Conclusion: The primary outcome of the three tailored, 9-month, all-oral, 5-drug regimens was satisfactory in the vast majority of MDR-TB and pre-XDR-TB patients, with manageable and reversible AEs.
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spelling doaj.art-27a3d04a958b4e26942255aa5c84c63d2023-09-26T04:12:03ZengElsevierInternational Journal of Infectious Diseases1201-97122023-10-01135101108Selecting an appropriate all-oral short-course regimen for patients with multidrug-resistant or pre-extensive drug-resistant tuberculosis in China: A multicenter prospective cohort studyLiang Fu0Xilin Zhang1Juan Xiong2Feng Sun3Taoping Weng4Yang Li5Peize Zhang6Hui Li7Qianting Yang8Yi Cai9Hancheng Liang10Qiuqi Chen11Zhaoqing Wang12Lei Liu13Xinchun Chen14Wenhong Zhang15Guofang Deng16Division Two of Pulmonary Diseases Department, National Clinical Research Center for Infectious Disease (Shenzhen), Guangdong Provincial Clinical Research Center for Infectious Diseases (Tuberculosis), Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, ChinaTuberculosis Prevention and Control Department, The Fourth People's Hospital of Foshan, Foshan, ChinaHealth Science Center, Shenzhen University, Shenzhen, ChinaDepartment of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, ChinaDepartment of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, ChinaDepartment of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, ChinaDivision Two of Pulmonary Diseases Department, National Clinical Research Center for Infectious Disease (Shenzhen), Guangdong Provincial Clinical Research Center for Infectious Diseases (Tuberculosis), Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, ChinaDivision Two of Pulmonary Diseases Department, National Clinical Research Center for Infectious Disease (Shenzhen), Guangdong Provincial Clinical Research Center for Infectious Diseases (Tuberculosis), Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, ChinaGuangdong Key Lab for Diagnosis & Treatment of Emerging Infectious Disease, Shenzhen Third People's Hospital, National Clinical Research Center for Infectious Disease, Southern University of Science and Technology, Shenzhen, ChinaDepartment of Pathogen Biology, Guangdong Key Laboratory of Regional Immunity and Diseases, Shenzhen University School of Medicine, Shenzhen, ChinaDivision Two of Tuberculosis Diseases Department, The Sixth People's Hospital of Dongguan, Dongguan, ChinaGraduate School of Guangdong Medical University, Zhanjiang, ChinaDivision Two of Pulmonary Diseases Department, National Clinical Research Center for Infectious Disease (Shenzhen), Guangdong Provincial Clinical Research Center for Infectious Diseases (Tuberculosis), Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, ChinaDivision Two of Pulmonary Diseases Department, National Clinical Research Center for Infectious Disease (Shenzhen), Guangdong Provincial Clinical Research Center for Infectious Diseases (Tuberculosis), Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, ChinaDepartment of Pathogen Biology, Guangdong Key Laboratory of Regional Immunity and Diseases, Shenzhen University School of Medicine, Shenzhen, ChinaDepartment of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, ChinaDivision Two of Pulmonary Diseases Department, National Clinical Research Center for Infectious Disease (Shenzhen), Guangdong Provincial Clinical Research Center for Infectious Diseases (Tuberculosis), Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, China; Corresponding author: (G. Deng). Tel: +86-13530027001Objectives: Long, ineffective, and toxic regimens hinder the treatment of patients with multidrug-resistant tuberculosis (MDR-TB) and pre-extensive drug-resistant tuberculosis (pre-XDR-TB). Methods: We conducted a multicenter cohort study to prospectively evaluate the safety and efficacy of three 9-month, all-oral, 5-drug regimens. Regimen A (bedaquiline [Bdq]+linezolid [Lzd]+moxifloxacin [Mfx]+cycloserine [Cs]+pyrazinamide [Pza]) and Regimen B (Lzd+Mfx+Cs+clofazimine [Cfz]+Pza) were used to treat MDR-TB patients (Groups A and B, respectively, assigned according to the patient's treatment preference), while Regimen C (Bdq+Lzd+Cs+Cfz+Pza) was used to treat pre-XDR-TB patients (Group C). The primary endpoint was the occurrence of an unfavorable outcome within 12 months of treatment completion, regardless of regimen. Results: A total of 104 patients (34 in Group A, 46 in Group B, and 24 in Group C), with a median age of 35.5 (29.0-54.0) years, were included in the analysis population. At 12 months after treatment completion, five patients were deemed non-assessable. Of the remaining 99 participants, seven (7.1%) had an unfavorable outcome (including two deaths from any cause, four with treatment failure, and one loss to follow-up) and 92 (92.9%) had a favorable outcome. Culture conversion was achieved in 82.5% (80/97) of participants at month 2 and in 97.9% (94/97) of participants at month 6. Adverse events (AEs) resulting in drug adjustment occurred in 69.2% (72/104) of participants, mainly due to Lzd and Pza use. A QT interval prolongation of ≥ 500 ms occurred in 5.8% (6/104) of participants. Conclusion: The primary outcome of the three tailored, 9-month, all-oral, 5-drug regimens was satisfactory in the vast majority of MDR-TB and pre-XDR-TB patients, with manageable and reversible AEs.http://www.sciencedirect.com/science/article/pii/S1201971223006872Multidrug-resistant tuberculosisPre-extensive drug-resistant tuberculosisTreatmentShort-courseSafety
spellingShingle Liang Fu
Xilin Zhang
Juan Xiong
Feng Sun
Taoping Weng
Yang Li
Peize Zhang
Hui Li
Qianting Yang
Yi Cai
Hancheng Liang
Qiuqi Chen
Zhaoqing Wang
Lei Liu
Xinchun Chen
Wenhong Zhang
Guofang Deng
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
International Journal of Infectious Diseases
Multidrug-resistant tuberculosis
Pre-extensive drug-resistant tuberculosis
Treatment
Short-course
Safety
title 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
title_full 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
title_fullStr 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
title_full_unstemmed 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
title_short 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
title_sort 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
topic Multidrug-resistant tuberculosis
Pre-extensive drug-resistant tuberculosis
Treatment
Short-course
Safety
url http://www.sciencedirect.com/science/article/pii/S1201971223006872
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