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  • Title: A phase II study of antofloxacin hydrochloride, a novel fluoroquinolone, for the treatment of acute bacterial infections.
    Author: Wang J, Xiao Y, Huang W, Xu N, Bai C, Xiu Q, Mei C, Zheng Q.
    Journal: Chemotherapy; 2010; 56(5):378-85. PubMed ID: 20938175.
    Abstract:
    AIMS: To evaluate the clinical and bacterial efficacies and the safety of antofloxacin hydrochloride tablets in the treatment of acute exacerbations of chronic bronchitis (AECB) and acute pyelonephritis (AP). PATIENTS AND METHODS: A randomized, controlled, multicenter, double-blind, double-dummy clinical trial was conducted at 6 hospitals in China. The patients in the investigational group took an oral 400-mg loading dose of antofloxacin on the first day followed by 200 mg daily. Control group patients took 200 mg of levofloxacin orally twice daily for 7-14 days. RESULTS: A total of 284 patients were enrolled into the study, including 140 cases of AECB and 144 cases of AP; 141 patients were in the antofloxacin group and 143 patients were in the levofloxacin group. Two hundred fifty-four patients completed the entire treatment and follow-up and comprised the per-protocol analysis data set; 30 patients were excluded because of informed consent withdrawal, loss to follow-up, protocol violations, or adverse drug events. Treatment was ceased in 3 patients in the antofloxacin group and in 1 patient in the levofloxacin group because of skin rashes, dizziness, or adverse gastrointestinal effects. At the end of the 2-regimen treatment, the observed effectiveness rates for AECB were 90.3 and 87.7% for the treatment and control groups, respectively, and 96.9 and 92.1% for AP. The overall bacterial eradication rates were 95.9 and 92.4%, and drug-related adverse events were observed in 13.1 and 10.1% of patients, respectively. There were no severe adverse effects. No statistical differences in drug efficacy and safety were detected between the 2 treatment groups (p > 0.05). CONCLUSIONS: Antofloxacin hydrochloride is an effective and well-tolerated new fluoroquinolone that demonstrates clinical and bacteriological efficacies similar to levofloxacin for the treatment of AECB and AP.
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