NEJM January 1, 2025
Multidrug-resistant tuberculosis (MDR-TB) is a growing public health problem.1 Recently, the World Health Organization endorsed new regimens for the treatment of MDR-TB that rely on new and repurposed antibiotic agents (i.e., bedaquiline, pretomanid, and linezolid with or without moxifloxacin [BPaL/M]).2 Much of the global burden of MDR-TB is driven by patient-to-patient transmission of drug-resistant Mycobacterium tuberculosis3 and since BPaL/M is used to treat MDR-TB, resistance to these drugs that is emerging in patients with MDR-TB could spread. On the other hand, experimental...