Bing Zhao, Huiwen Zheng, Juliano Timm, Zexuan Song, Shaojun Pei, Ruida Xing, Yajie Guo, Ling Ma, Feina Li, Qing Li, Yan Li, Lin Huang, Chong Teng, Ni Wang, Aastha Gupta, Sandeep Juneja, Fei Huang, Yanlin Zhao, Xichao Ou
BACKGROUND: Pretomanid is a key component of new regimens for the treatment of drug-resistant tuberculosis (TB) which are being rolled out globally. However, there is limited information on the prevalence of pre-existing resistance to the drug. METHODS: To investigate pretomanid resistance rates in China and its underlying genetic basis, as well as to generate additional minimum inhibitory concentration (MIC) data for epidemiological cutoff (ECOFF)/breakpoint setting, we performed MIC determinations in the Mycobacterial Growth Indicator Tube™ (MGIT) system, followed by WGS analysis, on 475 Mycobacterium tuberculosis (MTB) isolated from Chinese TB patients between 2013 and 2020...
May 3, 2024: Annals of Clinical Microbiology and Antimicrobials