Brain secrets of weight-loss surgery revealed
NCT ID NCT04350892
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at how weight-loss surgery affects brain chemicals that control appetite. Researchers measured spinal fluid from 51 people before and after gastric bypass or sleeve gastrectomy, and compared them to people who lost weight through dieting. The goal is to understand why surgery works so well for long-term weight loss and to find clues for future non-surgical treatments.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Roux-en-Y Gastric Bypass and Sleeve Gastrectomy (weight-loss surgeries)
What this could lead to
If this study succeeds, it could point toward new non-surgical treatments for obesity by revealing how the brain responds to weight-loss surgery.
What could go wrong
This is a small, completed observational study that measures brain chemicals, not a treatment trial. The findings may not lead directly to new therapies.
Disclaimer
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This is a summary of
the original study
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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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Locations
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Columbia University Medical Center
New York, New York, 10032, United States