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ClinicalTrials.gov public records Last synced Nov 15, 2026, 4:02 AM EST

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Showing 49–72 of 93 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Microbiome, Human Clear all

Conditions: Gut Microbiota
Interventions: Dietary Fiber, Placebo; Other
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years to 45 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019
U.S. locations: 1
States / cities: Davis, California

Conditions: Healthy
Interventions: Table Grape Powder, Beige Diet; Other
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years to 55 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Pediatric Obesity
Interventions: Not listed
Lead sponsor: University of Florida; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 83 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2024
U.S. locations: 1
States / cities: Gainesville, Florida

Conditions: Human Microbiome
Interventions: Mupirocin calcium ointment, 2%, Topical Chlorhexidine, 4%; Drug
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 18 Years and older
Enrollment: 58 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Cardiovascular Risk Factor
Interventions: Choline Bitartrate, Pre-cooked, pre-peeled whole hardboiled eggs, Egg whites from pre-cooked, pre-peeled hardboiled eggs, Phosphatidylcholine capsules; Dietary Supplement · Other
Lead sponsor: The Cleveland Clinic; Other
Eligibility: 18 Years and older
Enrollment: 86 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2020
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Obesity, Unspecified
Interventions: Elderberry Juice, Placebo Beverage; Other
Lead sponsor: Washington State University; Other
Eligibility: 22 Years to 75 Years
Enrollment: 18 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Spokane, Washington

Conditions: Obesity, Inflammation, Human Microbiome, Insulin Resistance, Dyslipidemias
Interventions: Omega-3 polyunsaturated fatty acid, High-Intensity Interval Training, Safflower oil, Low-intensity training; Dietary Supplement · Behavioral
Lead sponsor: Texas Tech University; Other
Eligibility: 18 Years to 65 Years
Enrollment: 129 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: Lubbock, Texas

Conditions: Healthy Participants, Tobacco Use Disorder, Human Microbiome
Interventions: Fiberoptic bronchoscopy; Other
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 80 Years
Enrollment: 59 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2015
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Human Milk Microbiome, Bacterial Growth
Interventions: Sterile pump set-up, Mother's Own pump set-up; Device
Lead sponsor: Cornell University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 52 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017
U.S. locations: 1
States / cities: Ithaca, New York

Conditions: Colorectal Neoplasms, Gastrointestinal Microbiome
Interventions: Gixam; Device
Lead sponsor: Jubaan Ltd.; Industry
Eligibility: 18 Years to 75 Years
Enrollment: 426 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 3
States / cities: New York, New York

Conditions: Atopic Dermatitis (AD)
Interventions: TMT Lotion, Placebo Lotion; Biological · Drug
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 18 Years to 80 Years
Enrollment: 54 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2019
U.S. locations: 2
States / cities: San Diego, California • Denver, Colorado

Conditions: Dysbiosis, Gut -microbiota, Microbiome Analysis, Probiotic, Antibiotic Prophylaxis
Interventions: Placebo Capsule, Probiotic with Human Milk Oligosaccharides (HMO); Drug · Dietary Supplement
Lead sponsor: Acibadem Maslak Hospital; Other
Eligibility: 18 Years to 65 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Obesity
Interventions: Not listed
Lead sponsor: University of Southern California; Other
Eligibility: 18 Years to 59 Years · Female only
Enrollment: 221 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2022
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Axial Spondyloarthritis, Ankylosing Spondylitis
Interventions: Not listed
Lead sponsor: Eyal Kedar; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2017
U.S. locations: 1
States / cities: Potsdam, New York

Conditions: Healthy Adults
Interventions: SuperHMO, Non-GMO corn Maltodextrin, Rapid Absorption; Dietary Supplement
Lead sponsor: Seeding Inc; Industry
Eligibility: 18 Years to 40 Years
Enrollment: 32 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Rockville, Maryland

Conditions: Overweight or Obesity, Healthy
Interventions: Mixed berries, FOS, Control, Combination; Dietary Supplement
Lead sponsor: Clinical Nutrition Research Center, Illinois Institute of Technology; Industry
Eligibility: 20 Years to 60 Years
Enrollment: 105 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2026
U.S. locations: 1
States / cities: Chicago, Illinois

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

Conditions: Hormonal Contraception
Interventions: Depot medroxyprogesterone acetate (DMPA), Etonogestrel implant (Eng-Implant), Levonorgestrel IUD (Lng-IUD); Drug
Lead sponsor: Emory University; Other
Eligibility: Up to 45 Years · Female only
Enrollment: 155 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2023
U.S. locations: 3
States / cities: Atlanta, Georgia

Conditions: Metabolic Syndrome
Interventions: Yogurt smoothie with BB-12, Yogurt smoothie; Drug
Lead sponsor: Penn State University; Other
Eligibility: 55 Years to 75 Years
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2022
U.S. locations: 1
States / cities: University Park, Pennsylvania

Conditions: Healthy
Interventions: TMAO dietary precursors, Control (or active comparator); Other
Lead sponsor: Cornell University; Other
Eligibility: 21 Years to 50 Years · Male only
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2016
U.S. locations: 2
States / cities: Ithaca, New York

Conditions: Healthy Adult Participants
Interventions: 60 grams per day of intervention food; Other
Lead sponsor: University of California, Davis; Other
Eligibility: 19 Years to 70 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2029
U.S. locations: 2
States / cities: Davis, California

Conditions: Infection, Enterocolitis, Necrotizing, Ventilator-associated Pneumonia
Interventions: oropharyngeal mother's milk, oropharyngeal sterile water; Other
Lead sponsor: Endeavor Health; Other
Eligibility: 1 Day to 4 Days
Enrollment: 260 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2022
U.S. locations: 5
States / cities: Miami, Florida • Evanston, Illinois • Park Ridge, Illinois + 2 more

Conditions: Health of the Human Microbiome
Interventions: Introduction of a dog into the home; Other
Lead sponsor: University of Arizona; Other
Eligibility: 50 Years to 80 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015
U.S. locations: 1
States / cities: Tucson, Arizona

Conditions: Autoimmune
Interventions: Sample Collection; Other
Lead sponsor: Yale University; Other
Eligibility: 18 Years and older
Enrollment: 75 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2023
U.S. locations: 2
States / cities: New Haven, Connecticut • New York, New York

Search by objective public record fields.

The Effects of Dietary Fiber on the Gut Microbiome and HDL Particles of Human Subjects

The Effect of Grape Consumption on Increasing the Good Bacteria in the Human Intestine

Pediatric Obesity and the Infant Microbiome (BEACH)

Cultures Before and After Decolonization in Community Dwelling Adults With Current S. Aureus Colonization

Effects of Choline From Eggs vs. Supplements on the Generation of TMAO in Humans

Elderberry Consumption and Human Health

Combining HIIT and n-3 PUFA to Reduce Inflammation and Improve Metabolic Health

Lung HIV Microbiome Project (Michigan Site)

Milk in Life Conditions (MiLC): Bacterial Composition of Human Milk Pumped and Stored in "Real-Life" Conditions

Predicting Adenomatous Polyps in the Colon Using Images of a Human Tongue

Targeted Microbiome Transplant in Atopic Dermatitis

Impact of Probiotics on Gut Microbiome During Antibiotic Prophylaxis in Elective Orthopedic Surgery

The Effects of Natural Sugars in Breast Milk on Healthy Infant Growth and Development

Is the Human Microbiome Altered in Patients With Axial Spondyloarthritis?

Adult HMO Supplementation and the Gut Microbiome

Berries, Inflammation, and Gut Microbiome

High-Resolution Measurements of Diet-Microbiome Interactions

Contraceptive Hormones, Immunity, and Microbiome Evaluation

Probiotics and Gut Health

Trimethylamine-N-oxide Production and Metabolism

Kimchi and Gut Health

Oropharyngeal Administration of Mother's Colostrum for Premature Infants (NS-72393-360)

Dogs as Probiotics

The Human Microbiome in Immune-Mediated Diseases