# Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets

> **NCT04199624** · PHASE1 · COMPLETED · sponsor: **Indiana University** · enrollment: 11 (actual)

## Conditions studied

- Hypochlorhydria

## Interventions

- **DRUG:** Omeprazole 20mg
- **DIETARY_SUPPLEMENT:** Vitamin C

## Key facts

- **NCT ID:** NCT04199624
- **Lead sponsor:** Indiana University
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-10-01
- **Primary completion:** 2023-06-07
- **Final completion:** 2023-06-07
- **Target enrollment:** 11 (ACTUAL)
- **Last updated:** 2025-09-22

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04199624

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04199624, "Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT04199624. Licensed CC0.

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