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ClinicalTrials.gov public records Last synced Oct 25, 2026, 7:40 PM EDT

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Showing 1–24 of 60 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: walnuts Clear all
Completed Phase 2 Interventional

WALNUTS for POWER: Polyphenols, Omega-3 Fatty Acids, Weight Loss, and EneRgy

NCT03824652
View directory record Official record
Conditions
Prostate Cancer
Interventions
walnuts, usual diet, phone counseling with dietitian
Other
Lead sponsor
Stephen Freedland
Other
Eligibility
18 Years and older · Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 25, 2026, 7:40 PM 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 18, 2016 · Synced Oct 25, 2026, 7:40 PM EDT
Completed Not applicable Interventional

Snacking, Satiety &Weight: A Randomized, Controlled Trial

NCT02050165
View directory record Official record
Conditions
Obesity
Interventions
KIND Bars, Typical American Snack
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
25 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 25, 2026, 7:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Walnut and Immunity Study

NCT05915390
View directory record Official record
Conditions
Immune Response, Upper Respiratory Tract Infection
Interventions
walnuts, Habitual diet
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
55 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Oct 25, 2026, 7:40 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Infancy to Toddlerhood: Early Nutrition & Tolerance (INTENT)

NCT04803981
View directory record Official record
Conditions
Diet Diversity, Infant Nutrition
Interventions
SpoonfulONE
Other
Lead sponsor
Before Brands, Inc
Industry
Eligibility
4 Months to 6 Months
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Oct 25, 2026, 7:40 PM EDT
Completed Not applicable Interventional

A Mediterranean Diet Nutrition Education Program for the Reduction of Cardiovascular Disease Risk in the Southeastern U.S.

NCT03683134
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor, Obesity
Interventions
Mediterranean diet, Olive oil and mixed nuts, American Heart Association
Behavioral · Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
19 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Oct 25, 2026, 7:40 PM 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 10, 2017 · Synced Oct 25, 2026, 7:40 PM 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 7, 2026 · Synced Oct 25, 2026, 7:40 PM 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 23, 2026 · Synced Oct 25, 2026, 7:40 PM 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 26, 2026 · Synced Oct 25, 2026, 7:40 PM 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 30, 2026 · Synced Oct 25, 2026, 7:40 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of an Evening Snack of Walnuts on Diet and Sleep Quality in Adolescents

NCT07862556
View directory record Official record
Conditions
Diet Quality, Sleep
Interventions
Walnuts, Control (usual diet)
Other
Lead sponsor
Penn State University
Other
Eligibility
13 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 25, 2026, 7:40 PM 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 4, 2020 · Synced Oct 25, 2026, 7:40 PM 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 13, 2019 · Synced Oct 25, 2026, 7:40 PM EDT
Terminated Not applicable Interventional

Walnuts and Glucose Variability

NCT01787214
View directory record Official record
Conditions
Type-2 Diabetes
Interventions
Full dose, Half dose, Control
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
40 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2014 · Synced Oct 25, 2026, 7:40 PM 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 15, 2017 · Synced Oct 25, 2026, 7:40 PM EDT
Active, not recruiting Not applicable Interventional

Response of Cardiometabolic Biomarkers and Gut Microbiota to Walnut Consumption

NCT05321277
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Walnuts, No-nut diet
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
45 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 25, 2026, 7:40 PM 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 28, 2016 · Synced Oct 25, 2026, 7:40 PM EDT
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 28, 2011 · Synced Oct 25, 2026, 7:40 PM 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 24, 2017 · Synced Oct 25, 2026, 7:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Walnuts on Central Blood Pressure, Arterial Stiffness Indices, Lipoproteins, and Other CVD Risk Factors

NCT02210767
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Walnut Diet, Walnut Control Diet, Low ALA Diet
Other
Lead sponsor
Penn State University
Other
Eligibility
30 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 25, 2026, 7:40 PM EDT
Completed Not applicable Interventional

Walnut Ingestion in Adults at Risk for Diabetes: Effects on Body Composition, Diet Quality, and Cardiac Risk Measures

NCT02330848
View directory record Official record
Conditions
Diabetes
Interventions
Walnut Ad libitum diet, Walnut Calorie controlled
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
25 Years to 75 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 25, 2026, 7:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Walnut Intake on Vascular Function and Metabolism

NCT03900403
View directory record Official record
Conditions
Overweight and Obesity, Endothelial Dysfunction, Cardiovascular Risk Factor
Interventions
Walnut Intake
Other
Lead sponsor
University of California, Davis
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Oct 25, 2026, 7:40 PM 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 19, 2009 · Synced Oct 25, 2026, 7:40 PM EDT