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High-dose levofloxacin in community-acquired pneumonia: A randomized, open-label study

High-dose levofloxacin in community-acquired pneumonia: A randomized, open-label study
Lee J.H.Kim S.W.Kim J.H.Ryu Y.J.Chang J.H.
Ewha Authors
장중현scopus; 이진화scopus; 류연주scopus
Issue Date
Journal Title
Clinical Drug Investigation
1173-2563JCR Link
vol. 32, no. 9, pp. 569 - 576
Background: The conventional treatment for community-acquired pneumonia (CAP) involves combination therapy consisting of a b-lactam penicillin or a cephalosporin with a macrolide. Alternatively, high-dose levofloxacin treatment has been used as single-agent therapy for treating CAP, covering atypical pathogens. Objective: This study compared the clinical efficacy and safety of high-dose levofloxacin with combined ceftriaxone and azithromycin for the treatment of CAP. Patients and Methods: This phase IV, prospective, randomized, open-label trial enrolled patients admitted to a tertiary referral hospital for CAP treatment from 2010 to 2011. Hospital admission was decided based on clinical judgement and the pneumonia severity index. Forty subjects were enrolled and assigned to two treatment arms using a random numbers table. The 20 subjects in the experimental group were given levofloxacin 750mg intravenously once daily, followed by the same dose of oral levofloxacin at discharge when clinically improved and the 20 subjects in the control group were given ceftriaxone 2.0 g intravenously once daily plus oral azithromycin 500mg for 3 consecutive days, followed by oral cefpodoxime 200mg per day at discharge after clinical improvement. The primary outcome was the clinical success rate. Secondary outcomes were the microbiological success rate and adverse events during the study. Results: Of the 40 subjects enrolled, 36 completed the study: 17 in the experimental group and 19 in the control group. The groups did not differ in terms of demographic factors or clinical findings at baseline. The clinical success rate (cured + improved) was 94% in the experimental (levofloxacin) group and 84% in the control group (p > 0.05). The microbiological success rate and overall adverse events were also similar in both groups. Conclusion: Single-agent, high-dose levofloxacin treatment exhibited excellent clinical and microbiological efficacy with a safety profile comparable to that of ceftriaxone plus azithromycin therapy. Large-scale clinical trials are required to verify these results. © 2012 Springer International Publishing AG. All rights reserved.
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