- Conditions
- Cognitive Ability, General, Immune System Function, Emotions
- Interventions
- Probiotics, placebo
- Dietary Supplement
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 12 Years to 20 Years
- Enrollment
- 104 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 2
- States / cities
- Salt Lake City, Utah
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 1–23
of 23
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Lower Urinary Tract Symptoms
- Interventions
- Lactobacillus rhamnosus GG
- Drug
- Lead sponsor
- Medstar Health Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 96 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 2
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Alcohol Use Disorder, Alcoholic Liver Disease, Microbiome
- Interventions
- VSL #3 112.5 Capsule, Placebo
- Drug · Other
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Healthy
- Interventions
- Probiotic mixture, Placebo
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 224 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Surgical Wound Infection, Cystitis, Bacteremia, Pneumonia, Enterocolitis, Pseudomembranous
- Interventions
- Synbiotic 2000
- Drug
- Lead sponsor
- Beth Israel Medical Center
- Other
- Eligibility
- Not listed
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Gastrointestinal Health
- Interventions
- Bacillus (Shouchella) clausii CSI08, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Colorado State University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Fort Collins, Colorado
- Conditions
- Spinal Cord Injuries, Neurogenic Bladder
- Interventions
- Lactobacillus RhamnosusGG, Saline bladder wash
- Drug
- Lead sponsor
- Medstar Health Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Depression, Sleep, Stress, Anxiety, Mood Disorders
- Interventions
- Probiotic
- Dietary Supplement
- Lead sponsor
- Lindenwood University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Saint Charles, Missouri
- Conditions
- Pregnancy Related
- Interventions
- Probiotic, Placebo
- Dietary Supplement
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 3
- States / cities
- La Jolla, California • San Diego, California
- Conditions
- Neurogenic Bladder
- Interventions
- Culturelle 10 Billion CFU Capsule
- Drug
- Lead sponsor
- Medstar Health Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 182 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Obesity, Abdominal, Adiposity
- Interventions
- VSL#3, Placebo
- Dietary Supplement
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Diarrhea, Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- Lactobacillus plantarum strain 299v, Lactobacillus acidophilus probiotic, placebo, laboratory biomarker analysis, questionnaire administration, quality-of-life assessment, Bifidobacterium lactis probiotic supplement
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2012
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Gulf War Illness
- Interventions
- VSL#3, Placebo
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 35 Years to 75 Years
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Colic, Gastrointestinal Tract Infections
- Interventions
- L. reuteri, Sunflower Oil
- Biological
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Gulf War Illness
- Interventions
- Placebo, Visbiome, VSL#3
- Drug
- Lead sponsor
- Ashok Tuteja
- Federal
- Eligibility
- 35 Years to 75 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Post-Acute COVID-19 Syndrome, Long COVID-19
- Interventions
- Synbiotic IVS-1, Maltodextrin
- Dietary Supplement
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis
- Interventions
- Probiotic Mixture, Placebo
- Dietary Supplement
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Vaginal Dysbiosis, Vaginal Disease, Molecular-bacterial Vaginosis
- Interventions
- Probiotic Group, Placebo Group
- Dietary Supplement
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years to 45 Years · Male only
- Enrollment
- 29 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Brooklyn, New York
- Conditions
- Irritable Bowel Syndrome
- Interventions
- Bifidobacterium infantis, Pancrelipase, Nitazoxanide, Placebo
- Drug
- Lead sponsor
- American Academy of Family Physicians
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 61 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 9
- States / cities
- Lomita, California • Leawood, Kansas • Baton Rouge, Louisiana + 4 more
- 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
- Healthy
- Interventions
- Placebo, Probiotic Combination, Bifidobacterium bifidum, Bifidobacterium longum
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 634 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Gastrointestinal Symptoms, Digestive Health, Gut Health
- Interventions
- PhytoPower 1 and PhytoPower 2
- Dietary Supplement
- Lead sponsor
- SF Research Institute, Inc.
- Network
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- San Francisco, 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