Special Drug Use Surveillance of Vonoprazan for "Prevention of Recurrence of Gastric/Duodenal Ulcer in Patients Receiving Low-dose Aspirin: Long-term Use"

Special Drug Use Surveillance of Takecab Tablets for "Prevention of Recurrence of Gastric/Duodenal Ulcer in Patients Receiving Low-dose Aspirin: Long-term Use"

The purpose of this survey is to investigate the safety and effectiveness of long-term administration of vonoprazan tablets for up to 12 months in the routine clinical setting in patients receiving low-dose aspirin.

The drug being tested in this survey is called vonoprazan. Vonoprazan is being tested to treat people who have gastric or duodenal ulcers.

This survey will look at the safety and effectiveness of long-term administration of vonoprazan tablets for up to 12 months in the routine clinical setting in patients receiving low-dose aspirin.

The survey will enroll approximately 1,000 participants.

- Vonoprazan 10 mg

This multi-center observational survey will be conducted in Japan.

Inclusion Criteria:

• Participants with a history of gastric or duodenal ulcer

Exclusion Criteria:

• Participants with gastric or duodenal ulcer at initiation of vonoprazan therapy
• Participants with active upper gastrointestinal hemorrhage at initiation vonoprazan therapy
• Participants with a history of hypersensitivity to any ingredients in vonoprazan Tablets
• Participants receiving atazanavir sulfate or rilpivirine hydrochloride