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Comparison of in vitro activity of the nitroimidazoles delamanid and pretomanid against multidrug-resistant and extensively drug-resistant tuberculosis

  • Shu’an Wen
  • Wei Jing
  • Tingting Zhang
  • Zhaojing Zong
  • Yi Xue
  • Yuanyuan Shang
  • Fen Wang
  • Hairong HuangEmail author
  • Naihui ChuEmail author
  • Yu PangEmail author
Original Article

Abstract

Delamanid exhibited greater in vitro potency than pretomanid against multidrug-resistant (MDR-) and extensively drug-resistant tuberculosis (XDR-TB) isolates. The pretomanid minimum inhibitory concentration (MIC) values of four MDR-TB isolates were found to be resistant to delamanid ranging from 0.031 to 0.063 mg/L. A novel nonsynonymous mutation within the fbiA gene (Glu249Lys) may be contributing to high-level resistance to delamanid and pretomanid in Mycobacterium tuberculosis.

Keywords

Mycobacterium tuberculosis Delamanid Pretomanid Susceptibility Minimum inhibitory concentration 

Notes

Acknowledgements

We thank the staff from the National Clinical Laboratory on Tuberculosis for their technical assistance.

Author contributions

SW, WJ, NC, YP, and HH designed this study. SW, WJ, TZ, ZZ, and YX performed the experiments. SW, WJ, YS, FW, and YP interpreted the data. SW, TZ, NC, YP, and HH wrote the manuscript. All authors approved the final version of the paper.

Funding information

This study was supported by the Beijing Talents Foundation (2017000021223ZK39), the Beijing Municipal Administration of Hospitals’ Youth Programme (QML20171601), the Beijing Municipal Administration of Hospitals’ Ascent Plan (DFL20151501 and DFL20181602), and the Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201809).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.National Clinical Laboratory on Tuberculosis, Beijing Key Laboratory on Drug-Resistant Tuberculosis Research, Beijing Chest Hospital, Beijing Tuberculosis and Thoracic Tumor InstituteCapital Medical UniversityBeijingChina
  2. 2.Department of Tuberculosis, Beijing Chest Hospital affiliated to Capital Medical UniversityBeijingTuberculosis and Thoracic Tumor Research InstituteBeijingChina

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