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Clinical effectiveness of branded versus generic piperacillin-tazobactam for treating severe community-acquired pneumonia

Purpose: To compare the clinical effectiveness of branded versus generic piperacillin-tazobactam for treating severe community-acquired pneumonia (CAP). Patients and methods: We identified patients with severe CAP who received piperacillin-tazobactam based on a nine-center registry database. Further...

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Main Authors: Cheng-Yi Wang (Author), Chia-Hung Chen (Author), Chih-Yen Tu (Author), Wei-Chih Chen (Author), Li-Kuo Kuo (Author), Yao-Tung Wang (Author), Pin-Kuei Fu (Author), Shih-Chi Ku (Author), Wen-Feng Fang (Author), Chin-Ming Chen (Author), Chih-Cheng Lai (Author)
Format: Book
Published: Elsevier, 2022-09-01T00:00:00Z.
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Summary:Purpose: To compare the clinical effectiveness of branded versus generic piperacillin-tazobactam for treating severe community-acquired pneumonia (CAP). Patients and methods: We identified patients with severe CAP who received piperacillin-tazobactam based on a nine-center registry database. Furthermore, we classified the patients in three hospitals, which used only branded piperacillin-tazobactam as the study group, and the patients in six other hospitals, which used both branded and generic products as the control group. Results: A total of 472 patients (n = 263 in the study group and n = 209 in the control group) with severe CAP were included. The study group using branded piperacillin-tazobactam had higher odds of clinical cure (adjusted odds ratio [OR] = 3.77, 95 % confidence interval [CI], 1.93-7.37) and lower odds of treatment failure (adjusted OR = 0.28, 95 % CI, 0.13-0.58) than the control group receiving either branded or generic piperacillin-tazobactam. In addition, the study group was associated with higher odds of clinical effectiveness (adjusted OR = 2.95, 95 % CI, 1.46-6.11), less odds of clinical ineffectiveness (adjusted OR = 0.39, 95 % CI, 0.18-0.81), and lower risk of in-hospital mortality (adjusted OR = 0.39, 95 % CI, 0.21-0.73). Conclusion: Based on the findings of the present study using indirect comparison, the clinical effectiveness of generic piperacillin-tazobactam for treating patients with severe CAP might not be as good as that of brand-name products.
Item Description:1876-0341
10.1016/j.jiph.2022.07.008

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