New study tests best revision surgery for weight regain after gastric bypass
NCT ID NCT04894838
First seen Apr 29, 2026 · Last updated Jun 19, 2026 · Updated 10 times
Summary
This study compares two types of distal gastric bypass revision surgery for people who regained weight or didn't lose enough after their first gastric bypass. About 150 participants will be randomly assigned to one of two surgical techniques. Researchers will track weight loss and side effects like diarrhea and malnutrition over three years.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Bravis Hospital
RECRUITINGRoosendaal, North Brabant, 4708 AE, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Catharina Ziekenhuis
NOT_YET_RECRUITINGEindhoven, North Brabant, 5623 EJ, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Elisabeth-Tweesteden Hospital
RECRUITINGTilburg, North Brabant, 5022 GC, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Groene Hart Hospital
NOT_YET_RECRUITINGGouda, South Holland, 2803 HH, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Medisch Centrum Leeuwarden
RECRUITINGLeeuwarden, Provincie Friesland, 8934 AD, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
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OLVG
RECRUITINGAmsterdam, North Holland, 1061 AE, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Rijnstate Hospital
RECRUITINGArnhem, Gelderland, 6815 AD, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
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St. Antonius hospital
RECRUITINGNieuwegein, Utrecht, 3435 CM, Netherlands
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Distal gastric bypass (revision surgery)
What this could lead to
If successful, this could help people who regain weight after gastric bypass achieve better long-term weight control.
What could go wrong
This is a surgical study with risks like malnutrition and diarrhea. Results may vary, and it is not a cure for obesity.
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.