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Gastric bypass limb lengths: a key to better metabolic outcomes?

NCT ID NCT05471037

Ongoing Knowledge-focused Sponsor: University Hospital, Basel, Switzerland Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how changing the length of the small intestine re-routed during gastric bypass surgery affects metabolism and inflammation. Researchers will compare two surgical techniques in 50 people with severe obesity and also include 15 healthy lean individuals as a comparison group. The goal is to understand the underlying metabolic mechanisms, not to test a new treatment.

What this could mean

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

Active substance
Gastric bypass surgery with different limb lengths
What this could lead to
If successful, this could help doctors choose the best surgical technique to improve metabolic health after gastric bypass.
What could go wrong
This is a small, early-stage study with only 65 participants, so results may not apply to everyone. It focuses on understanding mechanisms, not on proving a new treatment works.

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.

morbid obesity

As listed by the trial registrant

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

OBESITY, MORBID

Contacts and locations

Locations

  • St Clara Research Ltd, St Claraspital Basel

    Basel, 4002, Switzerland

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