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ClinicalTrials.gov public records Last synced Oct 19, 2026, 9:46 AM EDT

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Showing 49–72 of 98 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Probiotic and Gastrointestinal Symptoms Due to Menstruation in Healthy Women

NCT04457401
Conditions
Menstrual Discomfort
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Analysis of MicroBial Metabolites After Eating Refined Food

NCT04308473
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
Conditions
Diabetes Mellitus, Type 2
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Multiple Sclerosis, Relapsing-remitting
Interventions
Modified Paleo diet
Other
Lead sponsor
Amanda Irish
Other
Eligibility
18 Years to 45 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Obesity, Blood Glucose, High
Interventions
Micronutrient-dense plant-rich Intervention
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Flagstaff, Arizona
Conditions
Digestive Health, Gastrointestinal Health
Interventions
Placebo + Meal, BC-006 + Meal
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
40 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction, Heart Failure, Systolic, Heart Failure With Preserved Ejection Fraction, Heart Failure, Diastolic
Interventions
Lactobacillus Plantarum 299v Freeze Dried Capsule, Freeze Dried Potato Starch Capsule
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
21 Years to 89 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Nuts and Olestra for Persistent Organic Pollutant Reduction (NO-POPs) Trial

NCT02675101
Conditions
Persistent Organic Pollutants, Endocrine Disrupting Chemicals, Endocrine Disruptor Effects
Interventions
Whole Nuts, Olestra: Fat Free Pringles, Vegetable Oil: Original Pringles
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
45 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
La Jolla, California
Conditions
Myelodysplastic Syndromes, Chronic Myelomonocytic Leukemia-1, Cytopenia
Interventions
Vitamin C (ascorbic acid), Placebo
Dietary Supplement · Other
Lead sponsor
Copenhagen University Hospital, Rigshospitalet
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Diabete Type 2, Obesity & Overweight, Nutritional Intervention, Food Insecurity
Interventions
Meal kits, No-prep meals, Culinary nutrition classes, Text messages
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Parkinson Disease
Interventions
Mediterranean Diet
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Assessment Study Via Digital Images

NCT03267004
Conditions
Diet Habit
Interventions
Dietary Assessment of Meal A using images taken by Sony Smarteyeglass, Dietary Assessment of Meal B using Images taken by Sony Smarteyeglass
Device
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Knoxville, Tennessee
Completed Not applicable Interventional Results available

Pill Swallow Study

NCT04911296
Conditions
Not Determined
Interventions
Mock-RP
Other
Lead sponsor
RANI Therapeutics
Industry
Eligibility
21 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Probiotics and Health-related Quality of Life in Individuals With Seasonal Allergies

NCT02349711
Conditions
Healthy
Interventions
Probiotic mixture, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Type 2 Diabetes, Blood Pressure
Interventions
DASH-FP, DASH-NFP, Control
Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Conditions
Prediabetes, Lipid Profile, Hypertension, Glycemic Control, Arterial Stiffness, Blood Pressure, Inflammation Biomarkers, Dietary Quality, Body Composition Measurement, Waist Circumference, Anthropometrics: Height and Weight
Interventions
Mediterranean Diet Nutrition Education, Mediterranean Diet Nutrition Education with Baked White Potato
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Las Vegas, Nevada
Completed Not applicable Interventional Accepts healthy volunteers

Novel Metabolites of Beta-Carotene and Lycopene

NCT02550483
Conditions
Healthy
Interventions
Base diet + high beta-carotene tomato juice, Base diet + high lycopene tomato juice, Base diet + placebo beverage
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Beltsville, Maryland
Conditions
Breast Cancer, HER-2 Positive Breast Cancer
Interventions
Resistant Potato Starch, Placebo control
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Burlington, Vermont
Completed Not applicable Interventional Results available

Potato Research for Enhancing Metabolic Outcomes

NCT04203238
Conditions
Insulin Resistance, Obesity
Interventions
Reduced Meat High Potato Diet, Reduced Meat High Pulses Diet
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Potassium From Potatoes and Potassium Gluconate

NCT01881295
Conditions
Potassium Bioavailability, Blood Pressure
Interventions
Placebo control, Low dose potassium gluconate, Medium dose potassium gluconate, High dose potassium gluconate, Low dose potato, Medium dose potato, High dose potato, High dose French fries, Basal diet control
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
West Lafayette, Indiana
Active, not recruiting Not applicable Interventional

Diet and Health in Adults With Metabolic Syndrome

NCT03935048
Conditions
Metabolic Syndrome
Interventions
Higher protein, low glycemic load diet
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 85 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Fayetteville, Arkansas
Conditions
Multiple Myeloma, Lymphoma
Interventions
Resistant Starch, Maltodextrin
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Omaha, Nebraska
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Produce Prescriptions and Veggie Meter Scores for College Food Security

NCT07511699
Conditions
Food Insecurity, Carotenoid Status, Produce Prescription
Interventions
Produce boxes
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Newark, New Jersey
Conditions
Premenopausal Women, Overweight and Obese Women
Interventions
Active Comparator, Placebo Comparator
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 45 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Chicago, Illinois