Abstract
Healthcare-associated pneumonia (HCAP) may have a more severe course than community-acquired pneumonia (CAP); hence, it is more likely to be caused by drug-resistant bacterial pathogens and anaerobes involved in aspiration pneumonia. We compared the efficacy and safety of initial empiric therapy with piperacillin/tazobactam (PIPC/TAZ, 13.5 g/day) with that of meropenem (MEPM, 1.5 g/day) as single broad-spectrum regimens with gram-negative and anaerobic coverage in patients with HCAP in Japan. The clinical cure rate was 75.9 % (22/29 cases) in the PIPC/TAZ group and 64.3 % (18/28 cases) in the MEPM group. The clinical efficacy rate was 87.9 % (29/33 cases) in the PIPC/TAZ group and 74.2 % (23/31 cases) in the MEPM group. The bacteriological eradication rate was 94.4 % (17/18) in the PIPC/TAZ group and 87.5 % (14/16) in the MEPM group. Adverse drug reactions were seen in 22.4 % (11/49 cases) of patients in the PIPC/TAZ group and 17.4 % (8/46 cases) of patients in the MEPM group. Although not statistically different, the PIPC/TAZ group had a slightly higher efficacy rate than the MEPM group. Both treatment regimens are tolerable and might be appropriate to use as initial empiric therapy for HCAP in Japan. To investigate the differences in efficacy profiles of those two regimens, a further confirmatory study with a larger cohort as determined by a power analysis is recommended.
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Acknowledgments
This study was funded by the non-profit organization, Nagasaki Evaluation Organization for Clinical Interventions (NEOCI).
Conflict of interest
Shigeru Kohno has received honoraria, lecture fees, and research grants for activities other than this trial from Taisho-Toyama Pharma Co., Ltd. and Dainippon Sumitomo Pharma Co., Ltd. No other co-authors declare any conflicts of interest.
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Appendix: Participating institutions and chief investigator of this study
Appendix: Participating institutions and chief investigator of this study
Japanese Red Cross Nagasaki Genbaku Isahaya Hospital (Kiyoyasu Fukushima), Japanese Red Cross Nagasaki Genbaku Hospital (Koji Hashiguchi), Isahaya Health-Insurance General Hospital (Yuichi Inoue), Sasebo City General Hospital (Yuichi Fukuda), Senju Hospital (Hikaru Tanaka), Sasebo Chuo Hospital (Tsutomu Kobayashi), Hokusho Central Hospital (Yasuhito Higashiyama), National Hospital Organization Nagasaki Medical Center (Eisuke Sasaki), Nagasaki Municipal Hospital (Naofumi Suyama), Nagasaki Municipal Medical Center (Yoji Futsuki), Saiseikai Nagasaki Hospital (Keiko Iida), Izumikawa Hospital (Yoshihisa Kohno), Nagasaki Goto Chuoh Hospital (Hideki Ikeda), all in Nagasaki, and National Hospital Organization Ureshino Medical Center (Toyomitsu Sawai), Saga, Japan.
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Yamamoto, Y., Izumikawa, K., Morinaga, Y. et al. Prospective randomized comparison study of piperacillin/tazobactam and meropenem for healthcare-associated pneumonia in Japan. J Infect Chemother 19, 291–298 (2013). https://doi.org/10.1007/s10156-013-0552-6
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DOI: https://doi.org/10.1007/s10156-013-0552-6