Can bariatric surgery boost fertility in obese men?
NCT ID NCT01842295
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study looked at 46 obese men aged 18 to 50 who were scheduled for weight-loss surgery (gastric banding, bypass, or sleeve gastrectomy). Researchers measured changes in sperm quality and other fertility-related factors before and after surgery. The goal was to understand if losing weight through surgery could improve a man's ability to father children.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
bariatric surgery (gastric banding, bypass, sleeve gastrectomy)
What this could lead to
If successful, this study could show that weight-loss surgery improves sperm quality, potentially helping obese men with fertility issues.
What could go wrong
This is a small, completed observational study with only 46 participants. Results may not apply to all men, and the study does not test a new treatment.
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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Jean Verdier Hospital
Bondy, 93140, France