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The incidence of resistant tuberculosis (TB) continues to rise worldwide, in part because treatment protocols are prolonged, complex, and painful, all potentially leading to medication failures. Several small single-nation studies have found that bedaquiline-based regimens appear effective for these infections (NEJM JW Infect Dis Mar 2020 and N Engl J Med 2020 382:893; NEJM JW Infect Dis Mar 2022 and Am J Respir Crit Care Med 2022; 205:1214; NEJM JW Infect Dis Sep 2022 and N Engl J Med 2022; 387:810). Now, investigators sponsored by USAID and the manufacturer of bedaquiline have performed a randomized, phase 3, noninferiority, unmasked study — STREAM stage 2 — on the treatment of multidrug-resistant TB in seven countries between March 2016 …