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  • Title: Real-life treatment of acute exacerbations of chronic bronchitis with moxifloxacin or macrolides: a comparative post-marketing surveillance study in general practice.
    Author: Schaberg T, Möller M, File T, Stauch K, Landen H.
    Journal: Clin Drug Investig; 2006; 26(12):733-44. PubMed ID: 17274680.
    Abstract:
    OBJECTIVE: To compare the real-life treatment of acute exacerbations of chronic bronchitis (AECBs) using moxifloxacin tablets or one of the oral macrolides azithromycin, clarithromycin or roxithromycin in terms of symptom relief, time until improvement and cure, overall efficacy and tolerability. METHODS: This prospective, non-interventional, multicentre study included out-patients with AECB whose last exacerbation was treated with a macrolide. The current AECB was treated either with moxifloxacin or with one of the macrolides azithromycin, clarithromycin or roxithromycin. Data were obtained on the patient's characteristics, disease and treatment history, the course of the current AECB including time to improvement and cure, and the final assessments of efficacy and tolerability. All adverse events were recorded in patients treated with moxifloxacin; for patients receiving macrolides, only drug-related adverse events were reported. RESULTS: 464 physicians treated 904 patients with moxifloxacin and 846 patients with one of the macrolides. Age, sex and body mass index were well matched between the two treatment groups. However, more moxifloxacin than macrolide patients presented with a generally bad condition (62.8% vs 48.6%). About 42% of patients in both groups had had chronic bronchitis for 1-5 years, and about 27% for 5-10 years. The mean number of AECBs in the previous 12 months was 2.7 and 2.6, respectively. Moxifloxacin was administered to most patients for 5 (43.8%) or 7 days (42.4%). Patients in the macrolide group were treated in most cases with clarithromycin 500 mg for 4-7 days, roxithromycin 300 mg for 6-7 days or azithromycin 500 mg for 3 days. Physicians assessed overall efficacy and tolerability as 'very good' or 'good' in 96.1% and 98.1%, respectively, of moxifloxacin-treated patients and in 67.5% and 91.7%, respectively, of macrolide-treated patients. The mean duration until improvement and cure of AECB was 3.2 days (+/- SD 1.5) and 6.2 days (+/- 2.6) in moxifloxacin-treated patients compared with 4.5 days (+/- 1.8) and 7.5 days (+/- 3.0) in macrolide-treated patients (p < 0.0001). CONCLUSION: The results of this study conducted under real-life treatment conditions in patients with AECBs who were previously treated with a macrolide showed faster symptom relief and higher recovery rates with moxifloxacin compared with macrolides. The two treatment groups had comparably good safety and tolerability profiles.
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