Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 24, 2026, 1:42 PM EDT

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Showing 697–720 of 1,015 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

Military Health and Nutrition Examination Study

NCT06380322
Conditions
Hypertension, Type 2 Diabetes, Dyslipidemias, Cardiovascular Diseases
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
6
States / cities
Fort Carson, Colorado • Hinesville, Georgia • Fort Campbell, Kentucky + 3 more
Conditions
Non-Small-Cell Lung Carcinoma, Malignant Melanoma, Renal Cell Carcinoma, Triple-Negative Breast Cancer
Interventions
Checkpoint Inhibitor, Immune
Drug
Lead sponsor
VastBiome
Industry
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Elizabethtown, Kentucky
Conditions
Obesity, High Blood Pressure, High Cholesterol, Type2 Diabetes, Heart Diseases
Interventions
Curcumin
Dietary Supplement
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Bacterial Vaginosis, Vulvovaginal Candidiasis
Interventions
Phexxi
Drug
Lead sponsor
Queen's Medical Center
Other
Eligibility
18 Years to 54 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Conditions
Colorectal Cancer, Coffee, Gastrointestinal Microbiome, Stenosis, Fibrosis, Liver, Ultrasound Elastography, Proton Magnetic Resonance Spectroscopy
Interventions
Nestlé NESCAFÉ® TASTER'S CHOICE® House Blend capsule., Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Healthy Adults
Interventions
Bismuth subsalicylate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Overactive Bladder
Interventions
conjugated estrogen
Drug
Lead sponsor
Loyola University
Other
Eligibility
55 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Maywood, Illinois
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Evaluating the Effects of a Fermented Diet on Microbiome Diversity in Individuals With Long COVID

NCT06560554
Conditions
Long COVID
Interventions
Fermented foods, Control
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Obesity &Amp; Overweight
Interventions
Cardiovascular Exercise, Butyrate
Behavioral · Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Female Breast Cancer
Interventions
Home-based exercise intervention
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Recruiting No phase listed Observational Accepts healthy volunteers

The Gut and Skin Microbiome in Vitiligo Disease Progression

NCT03577327
Conditions
Vitiligo, Healthy
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Recruiting No phase listed Observational Accepts healthy volunteers

Capsule Microbiota Sampling in IBS/Functional Gastrointestinal Disease

NCT06215222
Conditions
IBS - Irritable Bowel Syndrome, Healthy, Functional Bloating, Functional Gastrointestinal Disorders
Interventions
Microbiota Sampling
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Redwood City, California
Completed No phase listed Observational Accepts healthy volunteers

Registry for the Atopic Dermatitis Research Network

NCT01494142
Conditions
Atopic Dermatitis, Eczema Herpeticum
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Months to 80 Years
Enrollment
3,387 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
9
States / cities
Los Angeles, California • Denver, Colorado • Chicago, Illinois + 5 more
Conditions
Calcium Oxalate Urolithiasis, Renal Cell Carcinoma
Interventions
Not listed
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2029
U.S. locations
1
States / cities
Miami, Florida
Conditions
Healthy Volunteers, Overweight
Interventions
Sucralose, Placebo
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 60 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Obesity, Non-Alcoholic Fatty Liver Disease
Interventions
Blood Draw, Stool collection, BodPod Measurement, Liver Ultrasound
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
5 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Gut Microbiome Response to Long-Haul Travel in Elite Football Players

NCT07585474
Conditions
Microbial Composition, Immune Function
Interventions
Probiotic Capsule, Placebo
Drug
Lead sponsor
Sheffield Hallam University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Not listed No phase listed Observational Accepts healthy volunteers

Ovarian Morphology in Girls

NCT04424576
Conditions
Amenorrhea, Oligomenorrhea, Puberty
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
9 Years to 17 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
3
States / cities
Kansas City, Missouri • Ithaca, New York • Rochester, New York
Not listed Not applicable Interventional Accepts healthy volunteers

Infant Restore: Efficacy of Microbiome Analysis and Education

NCT06424691
Conditions
Microbiota, Eczema, Microbiome, Gut Microbiome
Interventions
Tailored Recommendations, Consult Call, Email Series
Dietary Supplement · Behavioral
Lead sponsor
Seeding Inc
Industry
Eligibility
0 Months to 3 Months
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Fredericksburg, Texas
Completed Phase 2 Interventional Results available

Inulin for Infections in the Intensive Care Unit

NCT03865706
Conditions
Antibiotic Resistant Infection, Nosocomial Infection, Pathogen Transmission, Nutrition Disorders, Critical Illness, Sepsis
Interventions
Inulin Oral Suspension, Placebo Oral Suspension, Broad-spectrum antibiotics
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Breast Cancer
Interventions
Fecal swab collection, Blood samples
Biological
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Obesity, Body Weight
Interventions
DGA Mediterranean diet pattern, energy balance, DGA Mediterranean diet pattern, negative energy balance, TAD diet pattern, negative energy balance
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
19 Years to 64 Years · Female only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Mushroom Blend on Gastrointestinal Symptoms and the Microbiome

NCT07027462
Conditions
Healthy
Interventions
Mushroom blend, Placebo
Dietary Supplement · Other
Lead sponsor
University of South Carolina
Other
Eligibility
30 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina