Diet change may boost sperm health in IVF couples
NCT ID NCT06831292
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether a short diet change can improve sperm quality in men whose partners are undergoing IVF. One hundred couples in Sweden will take part. Men will follow Nordic dietary guidelines for a few weeks. Researchers will check sperm count, movement, and small RNA molecules to see if diet makes a difference.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2024
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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23 to 56 years
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male (biological) partner in infertile couple, scheduled for first IVF treatment * Mature sperm cells in semen * Able to speak and read Swedish * Omnivore * Will refrain from nicotine and alcohol during intervention * Sperm sampled provided no more than 3 weeks before intervention start Exclusion Criteria: * Former or present malignant disease * Former radiotherapy in pelvic area * Former chemotherapy * Known genetic/chromosomal disorder * Food allergy
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University Hospital
RECRUITINGLinköping, Östergötland County, 58185, Sweden
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Other studies related to the condition(s) this trial covers.
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