- 45+day Evaluation 3 At day 45+ during the sixth visit and will serve the purpose of asking the same question ("Do you have any new symptom since you started taking the study medication?"), collect specimens for a second urea breath test, and complete an exit survey to assess subject's satisfaction with the research experience and obtain their guess of the arm they were assigned to. The validated dyspepsia questionnaire will be administered again to assess changes in symptoms as well.