Diet over drugs: Low-Carb plan may boost sperm in obese men
NCT ID NCT06339840
First seen Apr 14, 2026 · Last updated Jun 19, 2026 · Updated 11 times
Summary
This study tests whether a strict low-carbohydrate diet combined with lifestyle guidance can help obese men (BMI 30+) lose weight and improve their fertility. Researchers will measure weight, sperm quality, and reproductive outcomes in 98 men aged 22-40. The goal is to find a non-drug way to boost fertility in couples undergoing assisted reproduction.
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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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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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Third Affiliated Hospital of Zhengzhou University
RECRUITINGZhengzhou, Henan, 450052, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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
low-carbohydrate diet and lifestyle guidance
What this could lead to
If successful, this could show that a simple diet change improves sperm quality and fertility in obese men, offering a non-drug option for couples trying to conceive.
What could go wrong
This is a small, early-stage trial with only 98 participants. Results may not apply to all obese men, and diet adherence can be challenging. The study does not test a drug or cure.
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.