Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 22, 2026, 2:05 PM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets

NCT04199624
Conditions
Hypochlorhydria
Interventions
Omeprazole 20mg, Vitamin C
Drug · Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of the Ability of Betaine Hydrochloride to Increase Stomach Acid in Healthy Volunteers

NCT01237353
Conditions
Pharmacodynamic
Interventions
betaine hydrochloride, Rabeprazole
Dietary Supplement · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 59 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
San Francisco, California