Overview ASTERIX: Low Dose ASA and Nexium Status: Completed Trial end date: 2005-09-01 Target enrollment: Participant gender: Summary The purpose of the study is to evaluate the effect of esomeprazole 20 mg od versus placebo for the prevention of gastric and/or duodenal ulcers in patients taking low-dose ASA. Phase: Phase 3 Details Lead Sponsor: AstraZenecaTreatments: Esomeprazole