Lansoprazole is a new type of drug that inhibits gastric acid secretion. It has a significant inhibitory effect on basal gastric acid secretion and gastric acid secretion caused by all stimuli (such as histamine, carbamoylcholine, etc.). It is significantly better than H2 receptor blockers, and the degree of inhibition is significantly dependent on the concentration.
It is clinically used for the treatment of duodenal ulcer, gastric ulcer, anastomotic ulcer, reflux esophagitis, Zollinger-Ellison syndrome (Zollinger-Ellison syndrome; gastrinoma), with remarkable curative effect.