Which bariatric surgery wins? new trial pits SASI bypass against sleeve gastrectomy
NCT ID NCT05611697
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study compares two weight-loss surgeries—SASI bypass and sleeve gastrectomy—in 220 adults with severe obesity. The goal is to see which one leads to more weight loss and fewer problems like acid reflux. Participants will be randomly assigned to one of the two procedures and followed for changes in BMI and reflux symptoms.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
surgical procedure (SASI bypass or sleeve gastrectomy)
What this could lead to
If successful, this could show which surgery is better for long-term weight loss and reducing acid reflux in people with severe obesity.
What could go wrong
This is a randomized trial but not blinded, and results may not apply to everyone. Both surgeries carry risks like infection, leaks, or nutritional deficiencies.
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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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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Oslo University Hospital
RECRUITINGOslo, 4950, Norway
Contact
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The Morbid Obesity Center, Vestfold Hospital Trust
RECRUITINGTønsberg, Vestfold, 3103, Norway
Contact