Of 373 patients treated for drug-susceptible tuberculosis, 35.4% (46.2% aged ≥65 years) developed moderate/severe adverse events that required treatment interruption (34.8%), first-line drug discontinuation (26.2%, primarily pyrazinamide), second-line drug initiation (30.0%), and treatment duration up to 3.8 months longer. More safe and effective options are needed, including for the elderly.
Keywords: TB; adverse events; elderly; tuberculosis.
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