Retrospective Comparison of Levofloxacin and Moxifloxacin on Multidrug-Resistant Tuberculosis Treatment Outcomes
Abstract
BACKGROUND/AIMS: To compare the effect of levofloxacin and moxifloxacin on treatment outcomes among patients with multidrug-resistant tuberculosis (MDR-TB). METHODS: A retrospective analysis of 171 patients with MDR-TB receiving either levofloxacin or moxifloxacin was performed. Treatment responses were categorized into treatment success (cured and treatment completed) or adverse treatment outcome (death, failure, and relapsed). RESULTS: The median age of the patients was 42.0 years. Approximately 56% of the patients were male. Seventeen patients had extensively drug-resistant tuberculosis, and 20 had a surgical resection. A total of 123 patients (71.9%) received levofloxacin for a median 594 days, and 48 patients (28.1%) received moxifloxacin for a median 673 days. Other baseline demographic, clinical, and radiographic characteristics were similar between the two groups. The moxifloxacin group had a significantly higher number of resistant drugs (p < 0.001) and a higher incidence of resistance to ofloxacin (p = 0.005) in the drug sensitivity test. The treatment success rate was 78.9% in the levofloxacin group and 83.3% in the moxifloxacin group (p = 0.42). Adverse reactions occurred at similar rates in the groups (p = 0.44). Patients in the moxifloxacin group were not more likely to have treatment success than those in the levofloxacin group (adjusted odds ratio, 0.76; 95% confidence interval, 0.24 to 2.43; p = 0.65). CONCLUSIONS: Both levofloxacin and moxifloxacin showed…
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