Esomeprazole,a new proton pump inhibitor,is the S isomer of omeprazole.Its pharmacodynamic and pharmacokinetic profile,clinical trials and adverse reactions were reviewed in this paper.

• 艾司奥美拉唑是一种新型的质子泵抑制剂,它是奥美拉唑的S型光学异构体。本文介绍它的药效学、药代动力学、临床试验和不良反应。