Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 17, 2026, 8:25 PM EDT

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Showing 1–24 of 255 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Health 1: Power Line Evaluation; Effect Size Determination

NCT06486077
Conditions
Metabolic Health
Interventions
Power Line Program
Dietary Supplement
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Lehi, Utah
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Polarization Sensitive Optical Coherence Tomography (PS-OCT) for Retinal Imaging

NCT02441777
Conditions
Healthy
Interventions
Polarization-Sensitive OFDI
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Philadelphia Chromosome Negative, B Cell Acute Lymphoblastic Leukemia (B-ALL), B-ALL
Interventions
Nutrition Intervention, Exercise intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Parkinson Disease
Interventions
Psyllium, Coarse wheat bran, Maltodextrin
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Prostate Cancer
Interventions
behavioral dietary intervention, dietary intervention, therapeutic dietary intervention
Behavioral · Dietary Supplement · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
1
States / cities
Houston, Texas
Conditions
Microvascular Disease, Retinal Disease
Interventions
XyCAM CRE Imaging
Device
Lead sponsor
Stuart Terry Eye Associates
Other
Eligibility
21 Years to 100 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Antonio, Texas
Completed No phase listed Observational Results available

Flexiva Pulse Registry

NCT05027971
Conditions
Urinary Calculi, Benign Prostatic Hyperplasia
Interventions
Flexiva Pulse High Power Single-Use Laser Fibers
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Phoenix, Arizona • Miami, Florida • Orlando, Florida + 1 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of a Fermented Dairy Protein With Prebiotic Fiber on GI Complaints

NCT06946017
Conditions
Digestive Health, Quality of Life
Interventions
Fermented dairy protein with prebiotic fiber supplement, Control placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 50 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Early Phase 1 Interventional Accepts healthy volunteers

WHNRC (Western Human Nutrition Research Center) Fiber Intervention Study

NCT04543877
Conditions
Inflammation, Vaccine, Intestinal Permeability, Typhoid Fever
Interventions
Inulin, Maltodextrin, Ty21a Typhoid Fever Vaccine
Dietary Supplement · Biological
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 59 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Davis, California
Conditions
Gut Microbiome
Interventions
Dietary MACs, Control
Dietary Supplement · Other
Lead sponsor
Access Business Group
Industry
Eligibility
40 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Kidney Disease
Interventions
psyllium
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 90 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Prostate Cancer
Interventions
therapeutic dietary intervention
Procedure
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
40 Years to 80 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Recruiting Not applicable Interventional Accepts healthy volunteers

The CARING Study: Creating and Restoring Health Through Nutrition Guidance

NCT05795439
Conditions
Type2diabetes, Type 2 Diabetes Treated With Insulin
Interventions
Low-fat, vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Resistant Starch (Type-4) on Metabolic Syndrome

NCT01887964
Conditions
Metabolic Syndrome
Interventions
RS4 enriched flour, Control flour
Other
Lead sponsor
South Dakota State University
Other
Eligibility
18 Years to 80 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Brookings, South Dakota
Completed Not applicable Interventional Accepts healthy volunteers

Protein-Prebiotic Wellbeing Study

NCT05303753
Conditions
Digestive Health, Quality of Life
Interventions
fermented dairy protein with prebiotic fiber
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 35 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus Type 2 in Obese
Interventions
low-fat vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
B Precursor Type Acute Leukemia
Interventions
Dietary Intervention, Activity and Exercise Intervention
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
10 Years to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Angiogram, Percutaneous Coronary Intervention
Interventions
RadAR EasyCLik plus ®-STF hemostatic pad, TR BAND® Compression device plus ®-STF hemostatic pad, SoftSeal®-STF hemostatic pad, VascBand™ Hemostat
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Inflammatory Bowel Diseases, Crohn Disease, Crohn Colitis, Crohn's Ileocolitis, Crohn's Gastritis, Crohn's Jejunitis, Crohn's Duodenitis, Crohn's Esophagitis
Interventions
Personalized Risk Estimation for Crohn's Disease (PRE-Crohn's) tool, Standard Crohn's Disease Education
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Spinal Cord Compression
Interventions
No interventions
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
Conditions
Crohn Disease
Interventions
Tirzepatide, Mediterranean diet
Drug · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Diet Gout Trial

NCT03569020
Conditions
Gout, Hyperuricemia
Interventions
Subsidy for food purchases and dietitian education
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Woodlawn, Maryland • Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Yogurt and GI Health

NCT05931471
Conditions
Yogurt Intake, Gastrointestinal Immune Function, Gut Microbiome, Gut Health
Interventions
Yogurt Intervention
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
50 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Davis, California
Conditions
Obesity, Overweight, Weight Loss
Interventions
Weight Management Intervention
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Freeport, Illinois • Hillsboro, Illinois • Marshall, Illinois