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Effect of Walnuts on Sperm Parameters and Male Fertility

NCT01954498 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 80

Last updated 2026-03-13

No results posted yet for this study

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.

Conditions

  • Oligozoospermia
  • Asthenozoospermia
  • Teratozoospermia
  • Fertility

Interventions

DIETARY_SUPPLEMENT

Walnuts

DIETARY_SUPPLEMENT

OTC multivitamin

Sponsors & Collaborators

Principal Investigators

  • Howard H Kim, MD · Cedars-Sinai Medical Center, Los Angeles, CA

  • Wendie A Robbins, RN, PhD · University of California, Los Angeles

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
21 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2014-05-31
Primary Completion
2020-03-31
Completion
2020-03-31

Countries

  • United States

Study Locations

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Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01954498 on ClinicalTrials.gov