Moxifloxacin, a new 8-methoxyfluoroquinolone, was evaluated in a large community-based study involving 16,007 patients over a 9-month period. This study was designed as a large post-marketing observational study of the speed, efficacy and tolerability of moxifloxacin when used in clinical practice for the treatment of community-acquired bacterial pneumonia, or acute exacerbations of chronic bronchitis. Physicians and patients were specifically questioned about overall efficacy and safety as well as symptom relief. According to physicians' assessments 96.3% of patients were cured or improved after moxifloxacin treatment. Symptom relief ('feeling better') occurred in almost 70% of patients by day 3 and only 2.3% reported an adverse drug reaction. No individual adverse drug reaction was reported at a frequency above 1%. Among the 209 events considered as serious, only 34 were regarded as possibly or probably related to therapy. There were no moxifloxacin-related clinically relevant cases of phototoxicity, hepatotoxicity or cardiotoxicity. Overall, 92.1% of patients considered moxifloxacin to have been beneficial.
Moxifloxacin, a new respiratory quinolone, was compared with the macrolides azithromycin, clarithromycin and roxithromycin in a cohort study to assess clinical, safety and health-related outcomes of these antimicrobials in general practice settings. In total 332 patients with acute exacerbations of chronic bronchitis (AECB) each received one of the antimicrobial agents for a standard short course of therapy. Random allocation of therapeutic agents occurred by centre, not individuals, and the drugs were prescribed in an open manner. In addition to clinical evaluation by their physicians, all patients kept daily diaries to assess AECB symptoms over the study period, therapy received and quality of life. The overall clinical response rate was 96% and all four regimens were well tolerated. After 14 days there were no significant differences between the study groups, but analyses of patients' daily evaluations of certain AECB specific symptoms showed a faster response rate in the moxifloxacin group.
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