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  • Title: An open-label, randomized comparison of levofloxacin and amoxicillin/clavulanate plus clarithromycin for the treatment of hospitalized patients with community-acquired pneumonia.
    Author: Lin TY, Lin SM, Chen HC, Wang CJ, Wang YM, Chang ML, Wang CH, Liu CY, Lin HC, Yu CT, Hsieh LL, Kuo HP, Huang CD.
    Journal: Chang Gung Med J; 2007; 30(4):321-32. PubMed ID: 17939262.
    Abstract:
    BACKGROUND: Anti-pneumococcal fluoroquinolone has been used to treat community-acquired pneumonia (CAP) frequently because of its broad antimicrobial spectrum. METHODS: This randomized, open-label study was conducted in a tertiary teaching hospital. Eligible patients were randomized to levofloxacin 500 mg IV q24h followed by 500 mg orally q24h or a combination of amoxicillin/clavulanate 500 mg/100 mg IV q8h with oral clarithromycin 500 mg q12h and then oral amoxicillin/clavulanate 250 mg/125 mg q8h with oral clarithromycin 500 mg q12h for 7-14 days. RESULTS: From July 2004 to February 2006, 50 patients were enrolled (levofloxacin, n = 26; combination therapy, n = 24). The clinical response rate in the clinically evaluable population was similar for both groups (78.3% vs. 77.3%; p = 1.000). Levofloxacin had a higher microbiological response rate overall, and for Gram-negative and non-pseudomonas Gram-negative pathogens than the combination therapy but the difference was not statistically significant (60.0% vs. 38.9%, 55.0% vs. 21.0% and 75.0% vs. 25.0%, respectively). The length of hospital stay was similar for both groups (7.4 +/- 3.1 vs. 6.8 +/- 2.1 days; p = 1.000). CONCLUSION: Patients who were admitted to our hospital for CAP were older and had more comorbidities with a much higher incidence of Gram-negative pathogens than in a previous study. Levofloxacin was at least as effective as amoxicillin/clavulanate plus clarithromycin in clinical and microbiological responses. Levofloxacin had a higher microbiological eradication rate than the combination therapy but the difference was not statistically significant. This deserves further study with a larer sample size.
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