This meta-analysis investigated whether the clinical efficacy of doripenem is comparable to that of alternative antibiotics for treating hospital-acquired pneumonia (HAP) and ventilator-associated pneumonia (VAP). The PubMed, Web of Science, Cochrane Library, Ovid MEDLINE, and EBSCO databases were searched for literature published before October 20, 2021. Clinical studies comparing the efficacy of doripenem with that of other antibiotics in HAP/VAP treatment were included. Primary outcomes included all-cause mortality at 28 to 30 days, whereas the secondary outcome was the clinical cure rate. In total, 5 clinical studies were included in this meta-analysis. All-cause mortality did not differ significantly between doripenem and the comparators. For VAP alone, no statistical differences were observed between doripenem and the comparators. For Pseudomonas aeruginosa-related pneumonia, mortality did not differ between doripenem and the comparators. The clinical cure rates were 60.7% and 57.3% for doripenem and the comparators, respectively; a similar trend was observed in the subgroup analysis for VAP. For HAP/VAP due to P. aeruginosa, the clinical cure rates for doripenem and the comparators did not differ. Doripenem was comparable to other antibiotics in the treatment of HAP and VAP.
Key words: Doripenem, hospital-acquired pneumonia, mortality, Pseudomonas aeruginosa, ventilator-associated pneumonia
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