Increased Doses Lead to Higher Drug Exposures of Levofloxacin for the Treatment of Tuberculosis. [PublishAheadOfPrint]

Patients with multidrug-resistant tuberculosis in Peru and South Africa were randomized to weight-banded nominal doses of 11, 14, 17 or 20 mg/kg/day levofloxacin (minimum 750 mg) in combination with other second-line agents. 101 patients were included in noncompartmental pharmacokinetic analyses. Respective median AUC_0-24 were 109.49, 97.86, 145.33 and 207.04 h*mcg/ml. Median Cmax were 11.90, 12.02, 14.86, and 19.17 mcg/ml. Higher levofloxacin doses, up to 1500 mg daily, resulted in higher exposures. ClinicalTrials.gov Identifier: NCT01918397

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