- 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
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Healthy Participants
- Interventions
- LOAM, Inulin, Cellulose Placebo
- Dietary Supplement
- Lead sponsor
- Ventoscity LLC
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 125 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Quality of Life, Health, Subjective
- Interventions
- RS blend, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Metagenics, Inc.
- Industry
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Gig Harbor, Washington
- Conditions
- Clostridium Infections, Methicillin-resistant Staphylococcus Aureus (MRSA), Vancomycin-Resistant Enterococci, Carbapenem-Resistant Enterobacteriaceae, Asymptomatic Infections
- Interventions
- Resistant Potato Starch, Maltodextrin
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2027 – 2030
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Bifidobacteria, Healthy Volunteers
- Interventions
- Placebo (Maltodextrin), Xylooligosarcharide 1.4g, Xylooligosarcharide 2.8g
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 20 Years to 50 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 2
- States / cities
- Los Angeles, California
- Conditions
- Diverticulitis
- Interventions
- High-dose prebiotic, Low-dose prebiotic, Placebo
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Dysbiosis
- Interventions
- Cranberry beverage, Placebo beverage
- Other
- Lead sponsor
- Iowa State University
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Ames, Iowa
- Conditions
- Healthy
- Interventions
- Bovine Milk Oligosaccharide, Placebo Glucose Polymer
- Dietary Supplement
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2021
- U.S. locations
- 1
- States / cities
- Davis, California
- 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
- Conditions
- Gastrointestinal Tolerance of Probiotics in Infants
- Interventions
- Synbiotic Supplement, Lactose (inactive placebo)
- Dietary Supplement
- Lead sponsor
- Persephone Biosciences
- Industry
- Eligibility
- 2 Months to 24 Months
- Enrollment
- 110 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Aging
- Interventions
- Probiotic capsule and Fiber Sachet, Probiotic capsule and Placebo sachet, Placebo capsule and Fiber Sachet, Placebo capsule and Placebo sachet
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 65 Years and older · Female only
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015
- U.S. locations
- 2
- States / cities
- Gainesville, Florida • Ocala, Florida
- Conditions
- Aging
- Interventions
- Soluble corn fiber
- Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 60 Years and older · Male only
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Hypertension, Gut Dysbiosis, Overweight , Obesity
- Interventions
- Synbiotic, Placebo
- Dietary Supplement
- Lead sponsor
- Southern Utah University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 47 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Cedar, Utah
- Conditions
- Healthy Adult Participants
- Interventions
- Fiber Blend 1 (Low Dose), Fiber Blend 2 (High Dose), Placebo
- Dietary Supplement · Other
- Lead sponsor
- LOAM Science
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- West Hollywood, California
- Conditions
- Insulin Sensitivity
- Interventions
- Maltodextrin, Synbiotic, Sevelamer
- Drug
- Lead sponsor
- The University of Texas Health Science Center at San Antonio
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 69 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2018
- U.S. locations
- 1
- States / cities
- San Antonio, Texas
- Conditions
- Changes in Gut Microbiota with Prebiotic Supplementation, Quality of Life
- Interventions
- Treatment, Placebo
- Dietary Supplement
- Lead sponsor
- Pharmavite LLC
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- Older Adults, Bioelectrical Impedance, Appetite Hormones, Metabolic Health, Body Composition Measurement, Cognitive Health
- Interventions
- Synbiotic supplement
- Dietary Supplement
- Lead sponsor
- Texas Tech University
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Lubbock, Texas
- Conditions
- Weight Gain Trajectory, Metabolic Syndrome
- Interventions
- Prebiotin
- Dietary Supplement
- Lead sponsor
- Baylor University
- Other
- Eligibility
- Not listed
- Enrollment
- 11 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Waco, Texas
- Conditions
- Irritable Bowel Syndrome
- Interventions
- DS-01
- Drug
- Lead sponsor
- Beth Israel Deaconess Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis, Inflammation, Aging
- Interventions
- SBD111 medical food, Placebo
- Other
- Lead sponsor
- Hebrew SeniorLife
- Other
- Eligibility
- 60 Years and older · Female only
- Enrollment
- 220 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2029
- U.S. locations
- 1
- States / cities
- Roslindale, Massachusetts
- Conditions
- Gastrointestinal Microbiome, Nutrition, Healthy
- Interventions
- AG1 - Nutritional Supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Athletic Greens International
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Gastrointestinal Disease Symptoms
- Interventions
- Prebiotic, probiotic, postbiotic combination, Placebo
- Dietary Supplement
- Lead sponsor
- Colorado State University
- Other
- Eligibility
- 25 Years to 65 Years · Female only
- Enrollment
- 103 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Fort Collins, Colorado
- Conditions
- Constipation Chronic Idiopathic
- Interventions
- MHS 1031, placebo
- Dietary Supplement · Other
- Lead sponsor
- Microbiome Health Sciences
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 172 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Manassas, Virginia