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.

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.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Jean Verdier Hospital

    Bondy, 93140, France

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Other studies related to the condition(s) this trial covers.