Acid pill or liquid: which works better after Weight-Loss surgery?

NCT ID NCT05320796

Recruiting now Knowledge-focused Sponsor: Prof Urs Zingg Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how the body absorbs esomeprazole (a stomach acid reducer) when taken as a tablet or dissolved in water, in people who had gastric bypass surgery a year ago. Fifty participants will have a small device placed in their stomach pouch to measure acid levels, and blood samples will be taken to check drug levels. The goal is to see which form works better to control acid and prevent ulcers.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Esomeprazole (a proton pump inhibitor that reduces stomach acid)
What this could lead to: If it works, this could help doctors choose the best way to give acid-reducing medicine after gastric bypass surgery.
What could go wrong: This is a small, early pilot study with only 50 participants, so results may not apply to everyone. It does not test long-term benefits or risks.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

gastric ulcer gastroesophageal reflux disease Obesity obesity disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

GASTRIC REFLUX OBESITY ULCER, GASTRIC

Contacts and locations

Locations

Spital Limmattal
RECRUITING

Schlieren, Schlieren, 8952, Switzerland

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