Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 26, 2026, 10:19 PM EDT

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Showing 553–576 of 680 matching trials from the live ClinicalTrials.gov search.
Conditions
Bariatric Surgery Candidate
Interventions
Probiotic, microcrystalline cellulose
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Cancer of Head and Neck, Nutrition Aspect of Cancer
Interventions
Nestlé Impact Advanced Recovery
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

PREDICT 2: Personalized Responses to Dietary Composition Trial 2

NCT03983733
Conditions
Diabetes, Heart Diseases, Diet Habit, Diet Modification, Microbial Colonization, Healthy, Obesity, Metabolism
Interventions
Dietary Intervention
Other
Lead sponsor
Zoe Global Limited
Other
Eligibility
18 Years to 70 Years
Enrollment
1,139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Obesity, Overweight, Type 1 Diabetes Mellitus
Interventions
No intervention
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
7 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
San Diego, California
Conditions
Overweight and Obesity, Overweight or Obesity, Obesity, Obesity, Morbid, Obesity, Abdominal, Obesity; Familial, Obesity; Endocrine, Obesity, Visceral, Obesity Hypoventilation Syndrome
Interventions
No intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Conditions
Trauma Injury, Trauma, Critical Illness, Microbiome, Chronic Anemia, Acute Blood Loss Anemia
Interventions
Data and tissue collection
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Gainesville, Florida
Conditions
Gulf War Illness
Interventions
Resistant Potato Starch
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 85 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Enrolling by invitation Not applicable Interventional

Glycemic Impact of NNS Via the Gut Microbiome

NCT07868432
Conditions
Prediabetes
Interventions
Sucralose
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
35 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Inflammation, Metabolic Disorder, Hypertriglyceridemia
Interventions
Aronia juice, Placebo
Dietary Supplement · Other
Lead sponsor
Montana State University
Other
Eligibility
18 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Bozeman, Montana
Conditions
HIV
Interventions
Agrarian Diet, Western-type Diet
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Colorectal Adenoma, Colorectal Cancer (CRC), Colorectal Cancer (CRC) Screening
Interventions
colorectal cancer (CRC) screening, colorectal cancer screening, Colonoscopy after bowel cleansing
Device · Diagnostic Test · Procedure
Lead sponsor
Jubaan Ltd.
Industry
Eligibility
45 Years to 85 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

Dealcoholized Muscadine Wine and Skin Health in Women

NCT04614753
Conditions
Skin Health
Interventions
Dealcoholized Muscadine Wine, Control Beverage
Other
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 67 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Dysbiosis
Interventions
Screening Criteria Review, Pre-Travel Questionnaire, Pre-Travel Stool Specimen Collection, Short-Term Post-Travel Questionnaire, Short-Term Post-Travel Stool Specimen Collection, Long-Term Post-Travel Questionnaire, Long-Term Post-Travel Stool Specimen Collection
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Completed Phase 4 Interventional Accepts healthy volunteers Results available

INF108F in Infants With Food Protein Induced Proctocolitis

NCT05793112
Conditions
Infant Development, Gut Microbiome, Food Protein Induced Allergic Proctocolitis
Interventions
INF108F probiotic, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
1 Day to 90 Days
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Newton, Massachusetts
Conditions
Psoriasis, Psoriasis Vulgaris, Psoriasis Universalis, Psoriasis Face, Psoriasis Nail, Psoriatic Plaque, Psoriasis Diffusa, Psoriasis Punctata, Psoriasis Palmaris, Psoriasis Circinata, Psoriasis Annularis, Psoriasis Genital, Psoriasis of Scalp, Psoriasis Geographica
Interventions
No Intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Conditions
Parkinson Disease
Interventions
PRIM-DJ2727, Placebo oral capsule
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
55 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Houston, Texas
Conditions
Maxillary Sinusitis
Interventions
Azithromycin, Telithromycin
Drug
Lead sponsor
CPL Associates
Other
Eligibility
18 Years to 75 Years
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Taylors, South Carolina
Conditions
Acne Vulgaris, Acneiform Eruptions, Skin Diseases, Sebaceous Gland Diseases
Interventions
Probiotic, Oral herbal powder supplement
Other · Dietary Supplement
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
12 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Conditions
Bladder Cancer, Prostate Cancer, Testicular Cancer, Bladder Carcinoma, Genitourinary System Carcinoma, Malignant Testicular Neoplasm, Melanoma, Prostate Carcinoma, Sarcoma
Interventions
Blood and Tissue
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Phenolic Dependent And Independent Effects Of Whole Grain Sorghum On Immunometabolism

NCT07832071
Conditions
Dietary Intervention, Gut Microbiota, Insulin Sensitivity/Resistance, Obesity & Overweight
Interventions
Whole grain sumac sorghum, Whole grain white sorghum, White rice
Other
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
Gut Health, Gastrointestinal Health
Interventions
Chickpea Pasta
Dietary Supplement
Lead sponsor
Banza LLC
Industry
Eligibility
21 Years to 44 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Conditions
Acne, Acne Vulgaris, Acne Keloidalis, Acne Keloid, Acne Conglobata, Acne Rosacea, Acne Inversa, Acne Cystic, Acne Pomade, Acne Indurata, Acne Papular, Acne Tropica, Acne Urticata, Acne Fulminans, Acne Follicular, Acne Tropicalis, Acne Detergicans, Acne Iodide, Acne Varioliformis
Interventions
No intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Terminated Not applicable Interventional Accepts healthy volunteers

Microbiome and Axial Spondyloarthritis

NCT04713995
Conditions
Axial Spondyloarthritis
Interventions
Dietary recommendations
Other
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bothell, Washington
Completed No phase listed Observational Accepts healthy volunteers

Pilot Study of Gut Commensals in Antiphospholipid Syndrome

NCT01787305
Conditions
Antiphospholipid Syndrome (APS)
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut