The drug being tested in this survey is called vonoprazan. Vonoprazan is being tested to treat patients who have gastric ulcer, duodenal ulcer, and reflux esophagitis.~This survey will look at the safety and effectiveness of vonoprazan in patients with gastric ulcer, duodenal ulcer, and reflux esophagitis in the routine clinical setting. The survey will enroll approximately 3000 participants.~- Vonoprazan 20 mg~This multi-center survey will be conducted in Japan.
The purpose of this survey is to evaluate the safety and effectiveness of vonoprazan tablets in patients with gastric ulcer, duodenal ulcer, and reflux esophagitis in the routine clinical setting.