CompletedNot Applicable

Effect of Walnuts on Sperm Parameters and Male Fertility

United States80 participantsStarted 2014-05

Plain-language summary

The investigators are testing the hypothesis that two ounces of whole-shelled walnuts/day added to the diet of men seeking care for infertility will beneficially affect sperm parameters and fertility. The investigators will compare the walnut intervention to the commonly suggested recommendation of adding an OTC multivitamin supplement to the diet.

Who can participate

Age range21 Years

SexMALE

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Age 21 years or older * Sperm concentration \< or = to 41 million per ml * Sperm motility \< or = to 40% * Normal sperm morphology forms \< or = to 5.5% * Patients of Howard H. Kim, MD seen at the Male Reproductive Medicine and Microsurgery Clinic, Cedars-Sinai Medical Center, Los Angeles, California * Have eaten walnuts throughout life without adverse reaction Exclusion Criteria: * Allergy to walnuts or tree nuts * Food allergy * Known genetic cause of infertility * Known anatomical cause of infertility * History of seizure disorder

What they're measuring

Sperm count

Timeframe: 12 weeks

Sperm motility

Timeframe: 12 weeks

Sperm morphology

Timeframe: 12 weeks

Trial details

NCT IDNCT01954498

SponsorUniversity of California, Los Angeles

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2020-03

View on ClinicalTrials.gov More Oligozoospermia trials