Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 27, 2026, 4:54 AM EDT

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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Conditions
Breast Cancer
Interventions
Probiotic
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Delayed Transit Time, Irregular Bowel Function
Interventions
Yogurt smoothie without probiotic, Yogurt smoothie with probiotic added post fermentation, Yogurt smoothie with probiotic added pre-fermentation, A capsule containing the probiotic
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
University Park, Pennsylvania
Conditions
Bacterial Vaginosis, Yeast Infection
Interventions
Prebiotic + Probiotic Supplement, Active Placebo Supplement, Excipient Placebo Supplement
Dietary Supplement
Lead sponsor
Happy V
Industry
Eligibility
25 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Upper Respiratory Infection
Interventions
Probiotics, placebo
Dietary Supplement
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years to 25 Years
Enrollment
231 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Framingham, Massachusetts
Conditions
Fecal Analysis
Interventions
ProNutrients Probiotic
Dietary Supplement
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition Interventions to Support the Immune System in Response to Stress

NCT02053506
Conditions
Mitigation of Immune Function Decrements in Response to Stress
Interventions
Immune-enhancing nutritional beverage, Probiotics (BB-12), Placebo (for nutritional beverage and probiotic)
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Natick, Massachusetts
Conditions
Healthy
Interventions
Probiotic: Bacillus subtilis, Lactobacillus plantarum, Bifidobacterium animalis, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
35 Years to 65 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
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
Menopause
Interventions
Provitalize Natural Menopause Probiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Maneuver Marketing
Industry
Eligibility
45 Years to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Gut Microbiota, Adiposity
Interventions
Synbiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Texas State University, San Marcos
Other
Eligibility
18 Years to 64 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Marcos, Texas
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Synbiotic Supplement, Inert Compound
Biological
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Batlimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Improving the Iron Status of Athletes With Pre-, Pro- and Synbiotics

NCT06021171
Conditions
Iron-deficiency, Iron Deficiency Anemia, Iron Deficiency (Without Anemia)
Interventions
Partially hydrolyzed guar gum + bifidobacterium lactis, Partially hydrolyzed guar gum, Maltodextrin
Dietary Supplement
Lead sponsor
King's College
Other
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Conditions
Bipolar Depression
Interventions
Probiotic Supplement, Inert Compound
Biological
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Towson, Maryland
Conditions
Clostridium Difficile
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Probiotics, Immunity, Stress, and QofL

NCT05063305
Conditions
Stress, Quality of Life
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Clostridium Difficile
Interventions
Florajen-3, Placebo
Dietary Supplement · Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years to 120 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Cincinnati, Ohio
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
Completed Not applicable Interventional Accepts healthy volunteers

Use of Probiotics to Aid in Weight Loss

NCT01445704
Conditions
Weight Loss
Interventions
Probiotics, Placebo
Dietary Supplement
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Greenville, South Carolina