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  • Title: Open-label, randomized comparison of the efficacy and tolerability of clarithromycin, levofloxacin, and cefuroxime axetil in the treatment of adults with acute bacterial exacerbations of chronic bronchitis.
    Author: Weiss LR.
    Journal: Clin Ther; 2002 Sep; 24(9):1414-25. PubMed ID: 12380633.
    Abstract:
    BACKGROUND: In the absence of a confirmed pathogen, empiric antimicrobial treatment of patients with acute exacerbations of chronic bronchitis and acute bacterial exacerbations of chronic bronchitis (ABECB) is accepted as standard practice and recommended in treatment guidelines. OBJECTIVE: This study compared the efficacy and tolerability of a 10-day course of 3 antimicrobial regimens commonly used to treat adults with ABECB. METHODS: This prospective, open-label, randomized study assessed clarithromycin 500 mg twice daily, levofloxacin 500 mg once daily, and cefuroxime axetil 250 mg twice daily, each administered for 10 days with food, in patients with ABECB. Efficacy was determined on the basis of the clinical response to treatment and need for hospitalization and/or further antimicrobial therapy. RESULTS: A total of 283 patients (150 men, 133 women) with a mean age of 55 years (range, 29 to 86 years) were randomized to receive clarithromycin (n = 97), levofloxacin (n = 94), or cefuroxime axetil (n = 92). Of 262 clinically assessable patients, clinical cure or improvement occurred in 87.9% (80/91) of those treated with clarithromycin, 87.4% (76/87) of those treated with levofloxacin, and 79.8% (67/84) of those treated with cefuroxime axetil. Eight (8.8%) clarithromycin-treated patients, 6 (6.9%) levofloxacin-treated patients, and 12 (14.3%) cefuroxime axetil-treated patients required a change in antimicrobial therapy to achieve clinical cure/improvement; between-group differences were not significant. No patients treated with clarithromycin required hospitalization for further antimicrobial treatment, compared with 3.4% (3/87) of levofloxacin-treated and 3.6% (3/84) of cefuroxime axetil-treated patients (P = NS). A total of 6.2% (6/97) of clarithromycin-treated patients were prematurely discontinued from treatment due to adverse events, compared with 7.4% (7/94) and 8.7% (8/92) of levofloxacin- and cefuroxime axetil-treated patients, respectively. CONCLUSION: A high rate of clinical efficacy and tolerability was observed in this population of patients with ABECB treated with clarithromycin 500 mg twice daily, levofloxacin 500 mg once daily, or cefuroxime axetil 250 mg twice daily for 10 days.
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