Not applicableStudy completedNCT01399164What this trial is testingCobalamin Absorption From Fortified FoodWho this might be right forVitamin B-12 DeficiencyAchlorhydria USDA, Western Human Nutrition Research Center 6
Early research (Phase 1)Study completedNCT04199624What this trial is testingAssessment of Gastric pH Changes Induced by Ascorbic Acid TabletsWho this might be right forHypochlorhydria Indiana University 11
Not applicableStudy completedNCT00550368What this trial is testingClinical Experiment of Helicobacter Pylori TransmissionWho this might be right forInfectionAchlorhydria Stanford University 45
Early research (Phase 1)Study completedNCT04942652What this trial is testingStudy to Evaluate Effects of Food or Proton Pump Inhibitor on the Pharmacokinetics of Itraconazole in Healthy VolunteersWho this might be right forAchlorhydria Seoul National University Hospital 13
Not applicableStudy completedNCT00001240What this trial is testingEvaluating Patients With Abnormal Levels of Gastric AcidWho this might be right forAchlorhydriaGastrinomaZollinger Ellison Syndrome National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Post-approval studies (Phase 4)Study completedNCT00582972What this trial is testingDoes Omeprazole Decrease Intestinal Calcium Absorption?Who this might be right forOsteoporosisAchlorhydriaGERD+1 more University of Wisconsin, Madison 23