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Achlorhydria

MONDO:0043465

Absence of hydrochloric acid in the gastric juice.

Also known as: achlorhydria, absent gastric acidity, achylia gastrica, gastric anacidity, hypochlorhydria

2 clinical trials for this condition and its sub-types.

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Broader categories

Disease (717) Digestive system disorder (166) Human disease (15) Stomach disorder (4) Disease by body system or component (0)

Not yet recruiting 1 Completed 1

Vitamin c shown to briefly change stomach acidity in small study

Knowledge-focused Completed

This completed Phase 1 study tested whether vitamin C (ascorbic acid) tablets can temporarily reduce stomach pH (increase acidity) in 11 healthy young men whose stomach acid was lowered by the drug omeprazole. Participants took vitamin C once and had their stomach pH monitored fo…

Phase 1 • Sponsor: Indiana University • Aim: Knowledge-focused

Last updated Jun 27, 2026 07:51 UTC