Breath test reveals gut bacteria changes after Weight-Loss surgery
NCT ID NCT02819037
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how gastric bypass surgery changes the bacteria in the small intestine. Researchers measured hydrogen in the breath of 51 severely obese patients before surgery and at several points up to 2 years after. The goal was to find out how often bacterial overgrowth occurs and how it relates to digestion and nutrient absorption.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Centre Hospitalier d'Arras
Arras, 62022, France
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Centre Hospitalier de Douai
Douai, 59507, France
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Other studies related to the condition(s) this trial covers.
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