Copyright: © 2025 by the authors. Licensee: Pirogov University.
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ORIGINAL RESEARCH

Susceptibility of the nontuberculous mycobacteria circulating in Russia to bedaquiline

About authors

1 Central Tuberculosis Research Institute, Moscow, Russia

2 Russian University of Medicine, Moscow, Russia

Correspondence should be addressed: Tatiana G. Smirnova
Yauzskaya alleya, 2, str. 1А, Moscow, 107564, Russia; ur.liam@aktat_s

About paper

Funding: the study was conducted under the State Assignment of the Central Tuberculosis Research Institute, R&D project: 123061500080-6 “Developing an Import-Independent Technology to Determine Minimal Inhibitory Concentrations of Antibacterial Drugs Effective Against the Clinically Significant Nontuberculous Mycobacterial Species”

Author contribution: Chernousova LN, Ergeshov AЕ — study design; Ustinova VV, Kiseleva EA — experimental procedure; Smirnova TG — data analysis, manuscript writing; Larionova EE — data analysis; Zaytseva AS — literature review, manuscript draft writing; Andreevskaya SN — data analysis; all authors contributed to the discussion.

Compliance with ethical standards: the study was conducted in accordance with the principles of the Declaration of Helsinki (1964) and its further revisions.

Received: 2025-10-02 Accepted: 2025-10-18 Published online: 2025-10-30
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Fig. Bedaquiline MIC distribution for the studied slow-growing NTM species showing differences in drug susceptibility. MAC — M. avium complex mycobacteria (M. avium, M. intracellulare, M. chimaera); the resulting MIC value for the slow-growing NTM species showing high drug susceptibility (MAC and M. kansasii) are highlighted in green; MIC of M. xenopi, the slow-growing NTM species showing low bedaquiline susceptibility, is highlighted in red. The tentative ECOFF value is pointed by arrow
Table. Bedaquiline MIC for the studied NTM species