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  • Title: Comparison of ceftibuten once daily and amoxicillin-clavulanate three times daily in the treatment of acute exacerbations of chronic bronchitis.
    Author: McAdoo MA, Rice K, Gordon GR, Sahn SA.
    Journal: Clin Ther; 1998; 20(1):88-100. PubMed ID: 9522107.
    Abstract:
    In medical practice, antibiotics are generally given empirically for the treatment of acute exacerbations of chronic bronchitis (AECB). To be effective, antibiotic therapy should be broad in spectrum, and it should also cover the common beta-lactamase-producing pathogens. In this multicenter, randomized, investigator-masked study, 469 patients with AECB were randomized (in a ratio of 2:1) to receive 400-mg oral ceftibuten capsules once daily or 500-mg amoxicillin-clavulanate tablets three times daily for 5 to 15 days. Patients receiving ceftibuten were further divided into those who took the capsule with a meal (fed) and those who took the capsule 1 hour before a meal (fasted). Clinical and microbiologic responses were evaluated after treatment at 0 to 6 days (end of treatment) and 7 to 21 days (follow-up). Overall clinical success was determined by cure/improvement of signs and symptoms of AECB at the end of treatment and at follow-up. Overall microbiologic assessment was graded as eradication, persistence, relapse, reinfection, colonization, superinfection, or unassessable. Tolerability was evaluated by grading observed adverse events. The mean duration of treatment was 10.4 days for patients who received ceftibuten and 10.1 days for patients who received amoxicillin-clavulanate. A total of 252 patients receiving ceftibuten and 117 patients receiving amoxicillin-clavulanate were evaluable for clinical efficacy, and 55 patients were evaluable for microbiologic response. Both treatments improved the signs and symptoms of bronchitis, and overall clinical success rates were equivalent for patients treated with ceftibuten (211 of 252 [84%]) and amoxicillin-clavulanate (93 of 117 [79%]) (95% confidence interval [CI], -4.5% to 13.6%). Overall microbiologic eradication rates were also similar for patients treated with ceftibuten (36 of 37 [97%]) and amoxicillin-clavulanate (12 of 14 [86%]) (95% CI, -5.2% to 21.2%). The most frequently reported treatment-related adverse events were gastrointestinal disturbances, which occurred in 15% (47 of 316) and 24% (36 of 152) of patients treated with ceftibuten and amoxicillin-clavulanate, respectively. No significant difference was observed in the ceftibutenfed and ceftibuten-fasted groups in overall clinical assessments of the clinical efficacy population and safety population. In conclusion, 400 mg oral ceftibuten once daily has a similar clinical success rate to 500 mg amoxicillin-clavulanate three times daily, with a trend toward fewer gastrointestinal side effects, in the treatment of patients with AECB.
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