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The safety and effectiveness of vonoprazan-based eradication therapy; a prospective post-marketing surveillance.

著者 Ashida K , Honda Y , Sanada K , Takemura Y , Sakamoto S
Expert Opin Drug Saf.2019 Oct 24 ; ():1-7.
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: The safety and effectiveness of vonoprazan-based () eradication therapy in routine clinical practice, and patient characteristics that influence safety and effectiveness, have not been well investigated. : -positive patients with gastric ulcer, duodenal ulcer, idiopathic thrombocytopenic purpura, history of endoscopic treatment of early gastric cancer, and gastritis were enrolled. Patients received vonoprazan 20 mg, amoxicillin (AMPC) 750 mg, and clarithromycin (CAM) 200-400 mg twice daily for 7 days for the first-line eradication. For the second-line eradication, vonoprazan, AMPC, and metronidazole (MTZ) 250 mg were administered. The incidence of adverse drug reactions (ADRs) and eradication rates were evaluated. : The incidences of ADRs with vonoprazan/AMPC/CAM and vonoprazan/AMPC/MTZ were 3.22% (16/497) and 1.89% (1/53), respectively. Commonly reported ADRs were diarrhea, nausea, dysgeusia, feces soft, and rash. The eradication rates of the first-line therapy and the second-line therapy were 91.24% (427/468) and 95.45% (42/44), respectively. No notable differences in ADRs and eradication rates were observed when stratified by patient demographic characteristics. : No new safety concerns were observed, and the effectiveness of vonoprazan-based triple therapy was confirmed in routine clinical practice. : This study is registered at the Japan Pharmaceutical Information Center Clinical Trials Information (JapicCTI-153003).
PMID: 31646920 [PubMed - as supplied by publisher]
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