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Showing 313–336 of 871 matching trials from the live ClinicalTrials.gov search.
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

High-Resolution Measurements of Diet-Microbiome Interactions

NCT07856823
Conditions
IBS (Irritable Bowel Syndrome)
Interventions
Inulin, Low-fiber control breakfast shake, Atmo Gas-Sensing Capsule, CapScan Regional Fluid-Sampling Capsule
Dietary Supplement · Other · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Stanford, California
Completed Not applicable Interventional Accepts healthy volunteers

Highly Processed Foods and Vascular Health

NCT05628350
Conditions
Cardiovascular Diseases
Interventions
No UPF controlled diet, High UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Soluble Corn Fiber Supplementation for 1 Year on Bone Metabolism in Adolescents

NCT02916862
Conditions
Osteoporosis
Interventions
Soluble Corn Fiber (SCF) without Calcium, Soluble Corn Fiber (SCF) + Calcium, Placebo, Placebo + calcium
Dietary Supplement · Combination Product
Lead sponsor
Florida International University
Other
Eligibility
9 Years to 14 Years
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Miami, Florida
Recruiting No phase listed Observational Accepts healthy volunteers

Retinal Imaging in Neurodegenerative Disease

NCT03233646
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis, Huntington Disease, Lewy Body Dementia, Frontotemporal Dementia, Amyotrophic Lateral Sclerosis (ALS), APOE-4 Positive, Traumatic Brain Injury, Concussion, Post-Traumatic Stress Disorder, Down Syndrome, Neuro-Degenerative Disease, Normal Cognition
Interventions
Retinal and Choroidal Imaging
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Head and Neck Cancer
Interventions
porfimer sodium, Photdynamic Therapy (PDT)
Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Melanoma
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
19 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania
Conditions
Asthma in Children
Interventions
Soluble Corn Fiber
Drug
Lead sponsor
Phoenix Children's Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Tropical Spastic Paraparesis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Active, not recruiting Not applicable Interventional

Addressing Diabetes by Elevating Access to Nutrition

NCT05228860
Conditions
Diabetes, Obesity, Lifestyle, Healthy
Interventions
Vida Sana (a Group Lifestyle Intervention), Supplemental Healthy Food Deliveries
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Concord, California
Conditions
Prediabetes
Interventions
Inulin, Placebo
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Blacksburg, Virginia
Conditions
Ulcerative Colitis, Inflammatory Bowel Diseases
Interventions
Fecal Microbiota Transplantation, Psyllium Husk Powder
Drug · Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Gastrointestinal Symptoms, Weight Loss, GLP-1
Interventions
High Fiber Bar with Inulin, High Fiber bar with Fiber Blend, High Fiber Bar with Resistant Starch type 4, Low Fiber Bar
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
25 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Miami Gardens, Florida • Port Saint Lucie, Florida
Conditions
Brain Injury, Sequelae, Stroke, Anoxia, Trauma
Interventions
Magnetic Resonance Imaging, Computed Tomography Angiography
Procedure
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Insulin Sensitivity
Interventions
Blueberry Powder, Placebo
Dietary Supplement
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Type2 Diabetes
Interventions
Psyllium, Wheat Dextrin
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Pancreatic Cysts
Interventions
Endoscopic Ultrasound (EUS)
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Completed Phase 3 Interventional

Polyp Prevention Trial

NCT00339625
Conditions
Diet, Polyps, Adenoma
Interventions
low fat, high fiber, high fruit and vegetable eating plan
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
35 Years to 99 Years
Enrollment
2,079 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

Addressing Food Insecurity: Plant-Based Food Prescription Program

NCT06614920
Conditions
Health Literacy, Nutrition, Healthy, Nutrition Poor, Food Insecurity, Food Insecurity Among Children, Low Income Population
Interventions
Plant-Based Food Provision (with or without food prescription), Plant-Based Nutrition Education
Other
Lead sponsor
University of Miami
Other
Eligibility
Up to 99 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Miami, Florida
Conditions
Bacterial Vaginosis, Yeast Infection
Interventions
Prebiotic + Probiotic Supplement, Active Placebo Supplement, Excipient Placebo Supplement
Dietary Supplement
Lead sponsor
Happy V
Industry
Eligibility
25 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Completed Not applicable Interventional Results available

Bracing for Walking in Parkinson's Disease

NCT03192046
Conditions
Gait Disorders, Neurologic, Parkinson Disease
Interventions
Carbon Fiber Ankle Foot Orthosis (AFO), Standardized walking/exercise program
Device · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
30 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Small Fiber Neuropathy
Interventions
VX-150, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
31
States / cities
Phoenix, Arizona • Berkeley, California • Fresno, California + 26 more
Conditions
Kidney Stones, Nephrolithiasis
Interventions
Empiric Therapy: Diet, Empiric Therapy: Drug, Selective Therapy: Diet, Selective Therapy: Drug
Behavioral · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Healthy
Interventions
Sucrose, Galactooligosaccharide
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
60 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Postprandial Glycemia in Apple Products

NCT03846986
Conditions
Healthy
Interventions
Apple Juice1, Apple Juice2, Raw Apple
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 45 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois