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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Walnut Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Mediterranean Diet and Lactation Study: A Diet Study in Lactating Women

NCT01459991
View directory record Official record
Conditions
Breast Feeding
Interventions
Walnut, MyPyramid
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 27, 2011 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Introduction and Maintenance of Still Eating Protein Blends in Support of Infant Nutritional Goals

NCT03667118
View directory record Official record
Conditions
Food Allergy
Interventions
Food Supplement
Dietary Supplement
Lead sponsor
Northwestern University
Other
Eligibility
5 Months to 11 Months
Enrollment
705 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Walnuts and Colon Health

NCT05195970
View directory record Official record
Conditions
Colorectal Cancer, Diet Habit
Interventions
Walnuts
Other
Lead sponsor
UConn Health
Other
Eligibility
39 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Farmington, Connecticut • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 6, 2026, 1:25 AM EDT
Active, not recruiting Phase 1 Interventional

Short-Term Linvoseltamab Treatment on Top of Chronic Dupilumab Treatment for Adults With Severe Immunoglobulin E (IgE)-Mediated Food Allergy

NCT06369467
View directory record Official record
Conditions
Food Allergy
Interventions
linvoseltamab, dupilumab
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
5
States / cities
Tampa, Florida • Atlanta, Georgia • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Walnuts to Achieve Lasting NUTrition to Prevent Diabetes

NCT03334175
View directory record Official record
Conditions
PreDiabetes, Overweight and Obesity
Interventions
Walnuts
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2020 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Pomegranate Juice Consumption on the Health of Mothers and Infants During Breastfeeding

NCT04341961
View directory record Official record
Conditions
Breastfeeding
Interventions
Pomegranate Juice
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional

Yeahhh Baby! Ointment on Hip and/or Knee Pain in Men and Women

NCT04764552
View directory record Official record
Conditions
Joint Pain
Interventions
Yeahhh Baby Ointment, Coconut oil ointment
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
35 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 28, 2021 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Phase 3 Interventional Results available

Omalizumab as Monotherapy and as Adjunct Therapy to Multi-Allergen OIT in Food Allergic Participants

NCT03881696
View directory record Official record
Conditions
Peanut Allergy, Multi-food Allergy
Interventions
Omalizumab, Placebo for Omalizumab, Multi-Allergen Oral Immunotherapy, Placebo for Multi-Allergen Oral Immunotherapy, Double-Blind Placebo-Controlled Food Challenge Based Treatment
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Year to 55 Years
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
10
States / cities
Little Rock, Arkansas • Stanford, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 6, 2026, 1:25 AM EDT
Recruiting Not applicable Interventional

A Nutrition & Exercise Prehabilitation Intervention on Inflammatory Biomarkers in AI Cancer Patients

NCT06644560
View directory record Official record
Conditions
Cancer
Interventions
Prehabilitation Intervention
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional

Effect of Walnuts on Sperm Parameters and Male Fertility

NCT01954498
View directory record Official record
Conditions
Oligozoospermia, Asthenozoospermia, Teratozoospermia, Fertility
Interventions
Walnuts, OTC multivitamin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years and older · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Walnuts and Healthy Aging

NCT01634841
View directory record Official record
Conditions
Age Related Cognitive Decline, Age Related Macular Degeneration
Interventions
Walnuts, habitual diet
Dietary Supplement · Other
Lead sponsor
Loma Linda University
Other
Eligibility
63 Years to 79 Years
Enrollment
708 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Analysis of MicroBial Metabolites After Eating Refined Food

NCT04308473
View directory record Official record
Conditions
Dietary Habits
Interventions
Ultra-processed Food Meal, Whole Food Meal
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 6, 2026, 1:25 AM EDT
Recruiting Not applicable Interventional

Essential Fats For Enhancing Cognitive Thinking (EFFECT) Study

NCT06223672
View directory record Official record
Conditions
Cognitive Decline, Cognitive Impairment
Interventions
Walnuts, Simply White Diary-free chocolate bar
Other
Lead sponsor
Ohio State University
Other
Eligibility
40 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Metabolic Effects of Short-term Walnut Consumption in Subjects With the Metabolic Syndrome

NCT00525629
View directory record Official record
Conditions
Metabolic Syndrome, Type 2 Diabetes, Cardiovascular Disease
Interventions
Walnuts, Control
Dietary Supplement
Lead sponsor
Christos Mantzoros
Other
Eligibility
40 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 14, 2017 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional

The Effects of Walnuts, Walnut-Oil, Almonds and Fish Oils on Glucose Homeostasis in Polycystic Ovary Syndrome

NCT00579904
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Insulin Resistance
Interventions
walnuts, almonds
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2017 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional

Walnut Consumption, Endothelial Function, and Biomarkers

NCT01884363
View directory record Official record
Conditions
Coronary Heart Disease, Type 2 Diabetes
Interventions
Once ounce per day of walnuts
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
30 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Measured Energy Value of Walnuts in the Human Diet

NCT01832909
View directory record Official record
Conditions
Metabolizable Energy of Walnuts
Interventions
Walnut Diet, Control Diet
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
25 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2013 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Benefits of Walnuts for Male Reproductive Health

NCT01505140
View directory record Official record
Conditions
Infertility, Nutrition Disorders
Interventions
Whole walnuts
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 35 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 27, 2016 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Walnut Oral Immunotherapy for Tree Nut Allergy

NCT01546753
View directory record Official record
Conditions
Tree Nut Allergy
Interventions
Walnut Protein Powder, Oat Powder (placebo), Open-label Walnut Protein Powder
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
6 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Sep 6, 2026, 1:25 AM EDT
Recruiting Not applicable Interventional

Snacking Effects on the Brain Response to Foods and Satiety During Dieting

NCT07428187
View directory record Official record
Conditions
Overweight/Obesity
Interventions
Snack Type 1: Walnuts, Snack Type 2: Pretzels
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
25 Years to 45 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Lean Living Study

NCT02501889
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Walnut-rich weight loss diet, Standard weight loss diet
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Walnuts on Antioxidant Capacity and Nutritional Status in Humans

NCT00626691
View directory record Official record
Conditions
Healthy
Interventions
Walnut consumption
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 18, 2009 · Synced Sep 6, 2026, 1:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mediterranean Diet for Post-menopausal Women: Effects on Bone Turnover

NCT01653275
View directory record Official record
Conditions
Osteoporosis, Postmenopausal Bone Loss
Interventions
Mediterranean Diet
Other
Lead sponsor
UConn Health
Other
Eligibility
65 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Sep 6, 2026, 1:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Walnut Consumption and Diabetes Risk

NCT03224533
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Diabetes Outcome
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 80 Years
Enrollment
34,121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 6, 2026, 1:25 AM EDT