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NCT04199624 · ClinicalTrials.gov registry record · Phase 1
Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets
A Phase 1 study, sponsored by Indiana University.
- Completed
- Registry status
- Phase 1
- Development phase
- 11
- Enrollment target
NCT04199624: Completed Phase 1 study, sponsored by Indiana University.
NCT04199624 is a Phase 1 study that has completed, run by Indiana University. The registered enrollment target is 11 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (82% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04199624, a Phase 1 study, has completed, sponsored by Indiana University.
- COMPLETED
- Registry status
- Phase 1
- Development phase
- 11 participants
- Enrollment target
Study Summary
This study evaluates the use of ascorbic acid, vitamin C, to temporary reduce gastric pH in individuals with omeprazole induced hypochlorhydria. All participants will receive ascorbic acid tablets to measure the change in gastric pH.
Primary Outcome
Gastric pH measurements will be continuously monitored throughout the study using a catheter-based pH monitoring system. Gastric pH versus time data will be collected for five hours.
Interventions
- DIETARY_SUPPLEMENT Vitamin C
- DRUG Omeprazole 20mg
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 11 participants |
| Start Date | 2021-10-01 |
| Est. Completion | 2023-06-07 |
| Phase | Phase 1 |
What the finished NCT04199624 record still lists
NCT04199624 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 11 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (82% lower).
The record links to 0 conditions, and to 2 interventions - of which Vitamin C is the first listed.
NCT04199624 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04199624 about?
NCT04199624 is a clinical study titled "Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets". This study evaluates the use of ascorbic acid, vitamin C, to temporary reduce gastric pH in individuals with omeprazole induced hypochlorhydria. All participants will receive ascorbic acid tablets to measure the change in gastric pH.
What is the current status of trial NCT04199624?
This trial is currently completed. It is a Phase 1 study. The enrollment target is 11 participants. The study started on 2021-10-01. Estimated completion is 2023-06-07.
What interventions are being tested in trial NCT04199624?
The interventions under investigation include: Vitamin C (DIETARY_SUPPLEMENT), Omeprazole 20mg (DRUG).
Who is sponsoring clinical trial NCT04199624?
This trial is sponsored by Indiana University, which has 890 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04199624's enrollment target sits among peer trials
11 1911th of 2000 higher than 88 of 2,000 other Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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