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Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Pretzels Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Impacts of Warning Labels on Ultra-Processed Foods

NCT06296355
View directory record Official record
Conditions
Health Behavior, Diet, Healthy
Interventions
Health Warning Label, Identity Warning Label, Barcode Label
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Extension Family Lifestyle Intervention Project (E-FLIP for Kids)

NCT01820338
View directory record Official record
Conditions
Obesity
Interventions
Behavioral Child Tx Contacts, Behavioral Parent-Tx Contacts, Dietary and Physical Activity Information
Behavioral · Other
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 12 Years
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Phytonutrients From Novel Preparations of Broccoli

NCT03773497
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Common Snack Combination, Cheesy Broccoli Snack, Cheesy Broccoli with Daikon Radish Snack, Uncooked Broccoli Snack
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2019 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a Healthy Snack on Body Weight and Composition

NCT03159689
View directory record Official record
Conditions
Overweight
Interventions
Mixed Tree Nuts, Pretzels
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
40 Years to 60 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2021 · Synced Sep 2, 2026, 2:30 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 22, 2026 · Synced Sep 2, 2026, 2:30 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effect on Dietary Compensation and Weight Gain in Adults by Savory Solid and Sugary Liquid Discretionary Food Sources

NCT02564874
View directory record Official record
Conditions
Weight Gain
Interventions
Discretionary calorie source
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 59 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2017 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Exploring the Role of Almonds in Enhancing Immune Strength

NCT05059639
View directory record Official record
Conditions
Immune Health
Interventions
Almond, Pretzel
Other
Lead sponsor
San Diego State University
Other
Eligibility
40 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Sep 2, 2026, 2:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Snacks on Aging

NCT06879626
View directory record Official record
Conditions
Aging
Interventions
Pecan, Pretzel
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Post-prandial Glucose Response From Phytochemical Rich Potato Products

NCT03066713
View directory record Official record
Conditions
Glycemic Response, Appetitive Behavior
Interventions
Skin Off French Fry, Skin On French Fry, Hash brown, Carbohydrate control
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 2, 2026, 2:30 PM EDT
Active, not recruiting Not applicable Interventional

Functional Snack Foods With Safflower Oil and Soy in Postmenopausal Women Having Metabolic Syndrome

NCT02199054
View directory record Official record
Conditions
Metabolic Syndrome, Overweight
Interventions
wheat-safflower oil pretzels, soy-safflower oil pretzels, control wheat pretzels
Other
Lead sponsor
Ohio State University
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Benefits of Consuming Hummus as an Afternoon Snack

NCT03595462
View directory record Official record
Conditions
Appetitive Behavior
Interventions
Snack, No Snack
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 1, 2019 · Synced Sep 2, 2026, 2:30 PM EDT
Terminated Not applicable Interventional

Soy Modulation of Immune Activation, LDL- Levels, and Lowering Inflammation by Pretzel Isoflavone Dietary Intervention

NCT02818283
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV) Infection, Hypercholesterolemia
Interventions
Soy Pretzel, Wheat Pretzel
Dietary Supplement · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Almond for Physical Performance

NCT04787718
View directory record Official record
Conditions
Muscle Soreness, Energy
Interventions
Almond, Control group
Other
Lead sponsor
San Diego State University
Other
Eligibility
30 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 2, 2026, 2:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Mixed Nut Consumption on Satiety and Weight Management

NCT03375866
View directory record Official record
Conditions
Satiety
Interventions
Pretzels, Mixed nuts
Other
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2028
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Do Weight Status and the Level of Dietary Restraint Moderate the Relationship Between Package Unit Size and Food Intake?

NCT01384552
View directory record Official record
Conditions
Overweight
Interventions
Package Unit Size - Single Serving, Package Unit Size - Standard
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 35 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 2, 2026, 2:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Snack Types on Acute Glucose and Insulin Response

NCT03956602
View directory record Official record
Conditions
Satiety
Interventions
Pretzels, Brazil nuts, Potato chips, Mixed nuts, White bread, Dried mango, Mango fruit
Other
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 55 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Almonds on Skin Lipids and Wrinkles

NCT02954315
View directory record Official record
Conditions
Rhytides
Interventions
Almonds
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a Healthy Snack on Radiance, Aging and Inflammation of the Skin

NCT04352504
View directory record Official record
Conditions
Skin Laxity
Interventions
Almond, Pretzel
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2020 · Synced Sep 2, 2026, 2:30 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Snacks and Brain Health

NCT07348406
View directory record Official record
Conditions
Cognitive Assessment, Psychological Function, GI Health
Interventions
Pecan snack, Pretzel snack
Biological
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 2, 2026, 2:30 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Snacks and Satiety

NCT03947281
View directory record Official record
Conditions
Eating Behavior, Overweight, Obesity
Interventions
Almond snack, Cereal-based snack
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 45 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Sep 2, 2026, 2:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Dietary Intervention (Soy Soft Pretzels) for Reducing Chronic Inflammation in Obese Individuals

NCT07650409
View directory record Official record
Conditions
Colorectal Carcinoma, Obesity-Related Malignant Neoplasm
Interventions
Biospecimen Collection, Dietary Intervention, Questionnaire Administration
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 2, 2026, 2:30 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Almonds on Glycemia in Adults With Elevated Hemoglobin A1c Concentrations

NCT05176197
View directory record Official record
Conditions
Glucose Intolerance, Glucose Metabolism Disorders (Including Diabetes Mellitus)
Interventions
Almond, Control
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 70 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Pecan Nut Snacks v Equicaloric Snacks on Appetite, Food Intake, Metabolism, Hormones and Biomarkers

NCT04484974
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Pecan snack, Tortilla chip snack
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 4, 2024 · Synced Sep 2, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Almond Consumption on the Human Gastrointestinal Microbiota and Metabolic Health

NCT04223323
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Almonds, Pretzels
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
30 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 2, 2026, 2:30 PM EDT