TAK-438

Comparison of TAK-438 (Vonoprazan) to Lansoprazole in the Treatment of Gastric Ulcer Participants With or Without Helicobacter Pylori Infection

Comparison of TAK-438 (Vonoprazan) to Lansoprazole in the Treatment of Duodenal Ulcer Participants With or Without Helicobacter Pylori Infection

A Bioequivalence (BE) Study of TAK-438 Orally Disintegrating (OD) Tablet

A Study to Evaluate the Bioequivalence (BE) and the Food Effect of TAK-438ASA Tablet

A Pharmacokinetic Study of TAK-438 in Healthy Adult Chinese Participants

TAK-438 Bismuth Drug Interaction Study

TAK-438_110 Drug Interaction With Cytochrome P450 3A4 (CYP3A4) Inhibitor Clarithromycin

TAK-438 - Safety, Blood Levels & Effects of Repeated Doses

Safety, Tolerability, and Pharmacokinetics of TAK-438 in Healthy Western Male Subjects, Preliminary Food Effect Analysis, and an Ethnic Comparison With Japanese Subjects

Long-term Extension Study of TAK-438 for the Prevention of Recurrent Gastric or Duodenal Ulcers During Therapy of Low-dose Aspirin

Long-term Extension Study of TAK-438 for the Prevention of Recurrent Gastric or Duodenal Ulcers During Therapy of Non-steroidal Anti-inflammatory Drug (NSAID)

Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of TAK-438 in Healthy Male Participants

Safety, Tolerability and Pharmacokinetics of TAK-438 in Healthy Male Participants

A Unblinded Study of TAK-438 (20 mg) for Prevention of Recurrence of Gastric or Duodenal Ulcer During Long-Term Non-Steroid Anti-Inflammatory Drug (NSAID) Therapy

A Randomized, Double-Blind, Multicenter Study to Evaluate the Acid-inhibitory and Dose-response Efficacy of TAK-438 (20 mg, 40 mg) in Patients With Proton Pump Inhibitor (PPI) - Resistant Erosive Esophagitis

A Unblinded Study of TAK-438 (20 mg) for Prevention of Recurrence of Gastric or Duodenal Ulcer During Long-Term Low-Dose Aspirin Therapy

Efficacy and Safety of TAK-438 for the Prevention of Recurrent Gastric or Duodenal Ulcers During Therapy of Non-steroidal Anti-inflammatory Drug (NSAID)

Efficacy and Safety of TAK-438 for the Prevention of Recurrent Gastric or Duodenal Ulcers During Therapy of Low-dose Aspirin

Efficacy of TAK-438, Amoxicillin and Clarithromycin in the First Line Eradication of H. Pylori

Long-Term Safety Study of TAK-438 in the Maintenance Treatment of Healed Erosive Esophagitis