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  • Title: A multicentre, randomised, double-blind, double-dummy, parallel-controlled, phase 3 clinical trial assessing the efficacy and safety of intravenous nemonoxacin malate vs. levofloxacin for community-acquired pneumonia in adult patients.
    Author: Li Y, Zhu D, Sun S, Chang X, Cao Z, Yang Y, Fu X, Li X, Xu J, Zhu Y, Hui F, Xu X, Chen Z, Peng L, Ma Z, Mo B, Li C, Lv Y, Zhao L, Zhu G, He Y, Liu H, Chen J, Wang Y, Liang Y, Lu Y, Qin Z, Yang H, Zhang M, Wu S, Tong Z, Ye F, Xiao Z, Wang X, Qiu C, Kuang J, Huang H, Wang K, Ying K, Jin F, Lv X, Huang Y, Liu D, Wang W, Zhang Y.
    Journal: Int J Antimicrob Agents; 2024 Aug; 64(2):107235. PubMed ID: 38851462.
    Abstract:
    BACKGROUND: Nemonoxacin malate is a novel non-fluorinated quinolone for oral and intravenous (IV) administration. This phase 3, multicentre, randomised, double-blind, double-dummy, parallel-controlled clinical trial (NCT02205112) evaluated the efficacy and safety of IV nemonoxacin vs. levofloxacin for the treatment of community-acquired pneumonia (CAP) in adult patients. METHODS: Eligible patients were randomised to receive 500 mg nemonoxacin or levofloxacin via IV infusion, once daily for 7-14 days. The primary endpoint was the clinical cure rate at the test-of-cure (TOC) visit in the modified intent-to-treat (mITT) population. Secondary efficacy and safety were also compared between nemonoxacin and levofloxacin. RESULTS: Overall, 525 patients were randomised and treated with nemonoxacin (n = 349) or levofloxacin (n = 176). The clinical cure rate was 91.8% (279/304) for nemonoxacin and 85.7% (138/161) for levofloxacin in the mITT population (P > 0.05). The clinical efficacy of nemonoxacin was non-inferior to levofloxacin for treatment of CAP. Microbiological success rate with nemonoxacin was 88.8% (95/107) and with levofloxacin was 87.8% (43/49) (P > 0.05) at the TOC visit in the bacteriological mITT population. The incidence of drug-related adverse events (AEs) was 37.1% in the nemonoxacin group and 22.2% in the levofloxacin group. These AEs were mostly local reactions at the infusion site, nausea, elevated alanine aminotransferase/aspartate aminotransferase (ALT/AST), and QT interval prolongation. The nemonoxacin-related AEs were mostly mild and resolved after discontinuation of nemonoxacin. CONCLUSIONS: Nemonoxacin 500 mg IV once daily for 7-14 days is effective and safe and non-inferior to levofloxacin for treating CAP in adult patients.
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