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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Walnuts Clear all
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 2, 2026, 10:10 AM EDT
Completed Not applicable Interventional

A Single Group Study to Evaluate the Efficacy of a Cosmetic Product Line on Acne Symptoms

NCT06122467
View directory record Official record
Conditions
Acne
Interventions
EQ Exfoliating Cleanser, EQ Gel, EQ Moisturizer
Other
Lead sponsor
Menning Labs
Industry
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 2, 2026, 10:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Black Walnuts and Health

NCT04849949
View directory record Official record
Conditions
Healthy
Interventions
Control, Black walnut, English walnut
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 45 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Sep 2, 2026, 10:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of California Walnuts on Vascular Function in Postmenopausal Women

NCT01072864
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Walnuts
Other
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2010 · Synced Sep 2, 2026, 10:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ellagic Acid, Urolithin and Colonic Microbial Communities Affected by Walnut Consumption

NCT04066816
View directory record Official record
Conditions
Colo-rectal Cancer, Colon Cancer, Diet Habit
Interventions
Walnuts
Other
Lead sponsor
UConn Health
Other
Eligibility
50 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 25, 2021 · Synced Sep 2, 2026, 10:10 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 2, 2026, 10:10 AM EDT
Completed Not applicable Interventional

Effect of Daily Walnut Consumption on Memory in Subjects With Long-COVID

NCT07429903
View directory record Official record
Conditions
Long-COVID, Brain Fog, Cognition, Memory
Interventions
whole food - walnuts
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
40 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 2, 2026, 10:10 AM EDT
Not listed Not applicable Interventional

Metabolomics Initiative: Mediterranean-amplified vs Habitual Western Diet on Food Signatures, Health, and Microbiome

NCT05500976
View directory record Official record
Conditions
Dietary Habits
Interventions
Semi-controlled dietary intervention - Western, Semi-controlled dietary intervention - MiniMed
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 69 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Sep 2, 2026, 10:10 AM EDT
Completed Not applicable Interventional

Effect of High-Dose Guarana And Cancer-Related Fatigue

NCT03897556
View directory record Official record
Conditions
Cancer-related Fatigue
Interventions
Guarana herb, Usual Care
Dietary Supplement · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Sep 2, 2026, 10:10 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 2, 2026, 10:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Walnut Consumption and Gut Microbiota

NCT05441748
View directory record Official record
Conditions
Obesity, Inflammation
Interventions
Walnuts, Walnut Oil, Control
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
25 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Sep 2, 2026, 10:10 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Walnuts on Cognitive Function and Gut Microbiome in Older Adults

NCT06942351
View directory record Official record
Conditions
Aging, Inflammation Biomarkers
Interventions
Walnuts, Crackers
Other
Lead sponsor
Oregon State University
Other
Eligibility
55 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 2, 2026, 10:10 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 2, 2026, 10:10 AM EDT
Recruiting Not applicable Interventional

Walnuts as an Infant Solid Food for Health

NCT07081698
View directory record Official record
Conditions
Gut -Microbiota, Inflammatory Markers, Infant Development
Interventions
Infant walnut intake
Other
Lead sponsor
Colorado State University
Other
Eligibility
5 Months to 5 Months
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Sep 2, 2026, 10:10 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 2, 2026, 10:10 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 2, 2026, 10:10 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 2, 2026, 10:10 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 2, 2026, 10:10 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 2, 2026, 10:10 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 2, 2026, 10:10 AM EDT
Completed Not applicable Interventional

Effects of Walnut Consumption on Endothelial Function in Type 2 Diabetes

NCT00901043
View directory record Official record
Conditions
DIABETES MELLITUS TYPE 2
Interventions
Walnut supplementation, Ad lib diet
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
35 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Sep 2, 2026, 10:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of the Consumption of California Walnuts on Cardiovascular Health

NCT01235390
View directory record Official record
Conditions
Cardiovascular Health, Immune Function
Interventions
Walnuts
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2013 · Synced Sep 2, 2026, 10:10 AM EDT
Enrolling by invitation Not applicable Interventional

Mediterranean Diet Intervention Among Men at LBJ Hospital With Prostate Cancer

NCT06935097
View directory record Official record
Conditions
Prostate Cancer
Interventions
Mediterranean diet-based Intervention
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 2, 2026, 10:10 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 2, 2026, 10:10 AM EDT