Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:36 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 437 matching trials from the live ClinicalTrials.gov search.
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of a Synbiotic Supplement on a High-protein Diet

NCT03123510
Conditions
Obesity
Interventions
Bifidobacterium spp plus bimuno- galacto-oligosaccharides, Placebo
Dietary Supplement
Lead sponsor
South Dakota State University
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Brookings, South Dakota
Conditions
Atopic Dermatitis
Interventions
FB-401
Biological
Lead sponsor
Forte Biosciences, Inc.
Industry
Eligibility
2 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
8
States / cities
Fremont, California • Lake City, Florida • Newnan, Georgia + 5 more
Conditions
Depression
Interventions
Max Stress B, Placebo Max Stress B
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Conditions
HSIL, High Grade Squamous Intraepithelial Lesion, HPV-Related Squamous Cell Carcinoma, Anal HSIL
Interventions
EXE-346 Probiotic, Placebo, Usual Care High Resolution Anoscopy (HRA)
Drug · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
Conditions
Vulvodynia, Vestibulodynia, Vulvar Diseases, Vulvar Vestibulitis, Vulvar Pain
Interventions
BioNourish, a component of the Flourish HEC kit, Control - no intervention
Device · Other
Lead sponsor
Vaginal Biome Science
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Virginia Beach, Virginia
Terminated Phase 2Phase 3 Interventional Results available

Probiotic (VSL #3) for Gulf War Illness

NCT02011542
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
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of Probiotics on Drug, Vitamin, and Hormone Metabolism

NCT04281407
Conditions
Metabolism
Interventions
Visbiome
Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Gastric Acid Suppression and Probiotic Colonization

NCT03327051
Conditions
Probiotics
Interventions
Omeprazole, VSL #3, Placebo
Drug · Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Bariatric Surgery Candidate
Interventions
Probiotic, microcrystalline cellulose
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Non Small Cell Lung Cancer (NSCLC)
Interventions
Dacomitinib, Doxycycline, Probiotic, Alclometasone cream
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
79
States / cities
Duarte, California • Fullerton, California • Irvine, California + 49 more
Completed Not applicable Interventional Accepts healthy volunteers

Probiotic Chocolate Study in Multiple Sclerosis

NCT06475183
Conditions
Multiple Sclerosis, Healthy Nutrition
Interventions
Bouchard Belgian Dark Chocolate Probiotic Napolitains, containing bifidobacterium longum
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
New York, New York
Active, not recruiting Not applicable Interventional

Probiotics and Insulin Resistance in Obese Asthmatics

NCT05949255
Conditions
Asthma, Obesity, Insulin Resistance
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 99 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
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
Advanced Ovarian Carcinoma, Recurrent Ovarian Carcinoma, Stage II Ovarian Cancer AJCC v8, Stage III Ovarian Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8
Interventions
Biospecimen Collection, Placebo Administration, Probiotic, Questionnaire Administration
Procedure · Drug · Dietary Supplement + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
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
HIV, Non-Alcoholic Fatty Liver Disease, Metabolic-Associated Steatotic Liver Disease
Interventions
Prebiotic, Probiotic
Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Depression
Interventions
Visbiome, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
15 Years to 24 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Menopause
Interventions
Probiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Lallemand Health Solutions
Industry
Eligibility
40 Years to 59 Years · Female only
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
5
States / cities
Lake Worth, Florida • Port Saint Lucie, Florida • Atlanta, Georgia + 2 more
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
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Pea Proteins on Muscle Damage and Recovery

NCT05657314
Conditions
Pea Proteins, Muscle Damage, Amino Acid Change
Interventions
Active Comparator
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Canfield, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Infant Formula on Caregiver-perceived Intolerance

NCT03679234
Conditions
Healthy Infants
Interventions
Routine infant formula
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
14 Days to 60 Days
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
7
States / cities
Norwich, Connecticut • Owensboro, Kentucky • Dayton, Ohio + 4 more
Withdrawn Not applicable Interventional Accepts healthy volunteers

Do Probiotics Improve Recovery From Acute Constipation in Kids?

NCT05734833
Conditions
Constipation
Interventions
Culturelle Probiotic + Fiber, Placebo
Dietary Supplement · Other
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
6 Months to 8 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Hartford, Connecticut
Completed Phase 3 Interventional Results available

B. Lactis HN019 for Functional Constipation

NCT01463293
Conditions
Constipation
Interventions
B. lactis HN019, Placebo
Dietary Supplement
Lead sponsor
Fonterra Research Centre
Industry
Eligibility
18 Years to 70 Years
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
12
States / cities
Glendale, Arizona • Encinitas, California • Garden Grove, California + 8 more
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