in a multicentre double-blind clinical trial of over 700 patients with gastric or duodenal ulcers roxatidine acetate 75 mg twice daily and cimetidine 200mg four times daily produced endoscopically confirmed and subjective and objective healing rates in excess of 90 % for both types of ulcer , with no significant difference between the treatments .
C0013295
duodenal ulcers
C0008783
cimetidine