• Antoni Torres, Javier Garau, Pierre Arvis, Jean Carlet, Shurjeel Choudhri, Amar Kureishi, Marie-Aude Le Berre, Hartmut Lode, John Winter, Robert C Read, and MOTIV (MOxifloxacin Treatment IV) Study Group.
• Servei de Pneumologia i Allèrgia Respiratòria, Institut Clinic del Torax, Hospital Clínic de Barcelona, Spain.
• Clin. Infect. Dis. 2008 May 15; 46 (10): 1499-509.

BackgroundThe aim of this study was to show that sequential intravenous and oral moxifloxacin monotherapy (400 mg once per day) is as efficacious and safe as a combination regimen (intravenous ceftriaxone, 2 g once per day, plus sequential intravenous and oral levofloxacin, 500 mg twice per day) in patients hospitalized with community-acquired pneumonia.MethodsWe conducted a prospective, multicenter, randomized, double-blind noninferiority trial. Patients with a Pneumonia Severity Index (PSI) of III-V were stratified on the basis of PSI risk class before randomization. The primary efficacy end point was clinical response at test of cure (4-14 days after the completion of treatment). Secondary efficacy end points were clinical and bacteriological response at end of treatment (days 7-14) and at follow-up assessment (21-28 days after the end of treatment), overall mortality, and mortality attributable to pneumonia.ResultsSeven hundred thirty-three patients were enrolled in the study (368 in the moxifloxacin arm and 365 in the comparator arm); 49% had a PSI of IV, and 10% had a PSI of V. Of 569 patients (291 in the moxifloxacin arm and 278 in the comparator arm) valid for per-protocol analysis, the overall clinical cure rates at test of cure were 86.9% for moxifloxacin and 89.9% for the comparator regimen (95% confidence interval, -8.1% to 2.2%). Bacteriological success at test of cure was 83.3% for moxifloxacin and 85.1% for the comparator regimen (95% confidence interval, -15.4% to 11.8%). There were no significant differences between moxifloxacin and comparator treatments in the incidence of treatment-emergent adverse events or in mortality.ConclusionsMonotherapy with sequential intravenous/oral moxifloxacin was noninferior to treatment with ceftriaxone plus levofloxacin combination therapy in patients with community-acquired pneumonia who required hospitalization.

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