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ClinicalTrials.gov public records Last synced Oct 29, 2026, 4:24 AM EDT

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

Showing 337–360 of 438 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: probiotic Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Probiotics to Improve Women's Health

NCT01800760
View directory record Official record
Conditions
Healthy
Interventions
Probiotics
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Oct 29, 2026, 4:24 AM EDT
Not listed Phase 2Phase 3 Interventional

Probiotic (Visbiome) for Gulf War Illness

NCT03078530
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Oct 29, 2026, 4:24 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Diabetic Cardiomyopathy and Heart Failure

NCT05571865
View directory record Official record
Conditions
Diabetic Cardiomyopathies, Heart Failure
Interventions
Probiotic
Dietary Supplement
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 29, 2026, 4:24 AM EDT
Active, not recruiting Not applicable Interventional

Comparison of Surgery and Medicine on the Impact of Diverticulitis (COSMID) Trial

NCT04095663
View directory record Official record
Conditions
Diverticulitis
Interventions
Partial Colectomy, Medical Management
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
29
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 29, 2026, 4:24 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Effects of Probiotics in Atopic Dermatitis

NCT00378300
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Oral Probiotics
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months to 3 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Oct 29, 2026, 4:24 AM EDT
Terminated Phase 1 Interventional

Probiotics in the Reduction of Antibiotic Associated Diarrhea

NCT02589964
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced Oct 29, 2026, 4:24 AM EDT
Withdrawn Phase 2 Interventional

Growth Hormone and Exclusion Diet Therapy in Juvenile Crohn's Disease

NCT01647412
View directory record Official record
Conditions
Crohn's Disease
Interventions
Growth Hormone, Nutraceutical Combination, Exclusion Diet, Placebo Growth Hormone
Drug · Dietary Supplement · Other
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Oct 29, 2026, 4:24 AM EDT
Terminated Phase 2 Interventional

Continued Safety Evaluation of FB-401 in Children, Adolescents and Adults (2 Years and Older) With Mild to Moderate Atopic Dermatitis Previously Enrolled in the FB401-01 Study

NCT04936113
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Oct 29, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Effects of Flourish on Recurrent Urinary Tract Infection

NCT05397782
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
BioNourish, a component of Flourish HEC
Device
Lead sponsor
Vaginal Biome Science
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 29, 2026, 4:24 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

An 8-Week Study Evaluating Gut and Digestive Health After Use of a Dietary Supplement System

NCT07421596
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 29, 2026, 4:24 AM EDT
Active, not recruiting Not applicable Interventional

Probiotics and Insulin Resistance in Obese Asthmatics

NCT05949255
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 16, 2026 · Synced Oct 29, 2026, 4:24 AM EDT
Active, not recruiting No phase listed Observational

Impact of GABA Probiotic Lactiplantibacillus Plantarum Lp815 on Sleep Outcomes in Participants with Self-Reported Sleep Disturbance

NCT06789718
View directory record Official record
Conditions
Insomnia (moderate)
Interventions
GABA Probiotic Lactiplantibacillus plantarum Lp815 (5 Billion cfu/dose), Placebo, Optional Sub-Study: Neurotransmitter Urine Test
Dietary Supplement · Other · Diagnostic Test
Lead sponsor
Verb Biotics LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Oct 29, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Highly Processed Foods and Vascular Health

NCT05628350
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
No UPF controlled diet, High UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 29, 2026, 4:24 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

A Novel Probiotic-antibiotic Combination to Prevent Recurrent Urinary Tract Infections

NCT06149676
View directory record Official record
Conditions
Recurrent Uti
Interventions
Saccharomyces Boulardii 250 MG [Florastor]
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
2 Years to 17 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 29, 2026, 4:24 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Early FMT for C.Difficile

NCT02465463
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Fecal microbiota transplant (FMT), flexible sigmoidoscopy
Procedure · Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 79 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 31, 2018 · Synced Oct 29, 2026, 4:24 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The Effect of a Probiotic Strain on Aspirin-induced GI Damage

NCT03910322
View directory record Official record
Conditions
Reduction of Small Intestinal Ulceration Risk
Interventions
Bif195, Placebo
Dietary Supplement
Lead sponsor
Chr Hansen
Industry
Eligibility
40 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 29, 2026, 4:24 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Control of Colic in Infants by Dietary Supplementation With the Probiotic Lactobacillus Reuteri

NCT01067027
View directory record Official record
Conditions
Colic
Interventions
Lactobacillus reuteri
Dietary Supplement
Lead sponsor
Children's Investigational Research Program, LLC
Other
Eligibility
14 Days to 60 Days
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Bentonville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2011 · Synced Oct 29, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate a Probiotic in Healthy Subjects With a History of Abdominal Discomfort and Bloating

NCT01099696
View directory record Official record
Conditions
Abdominal Discomfort, Bloating
Interventions
B. infantis 35624, placebo
Dietary Supplement
Lead sponsor
Procter and Gamble
Industry
Eligibility
18 Years to 75 Years
Enrollment
302 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
10
States / cities
Chicago, Illinois • Rockford, Illinois • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2012 · Synced Oct 29, 2026, 4:24 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The COLIC Study: Colonization of the Infant Gut With B. Infantis EVC001 to Reduce Symptoms of Colic

NCT05129384
View directory record Official record
Conditions
Infantile Colic
Interventions
B. infantis EVC001 or Lactose Placebo
Dietary Supplement
Lead sponsor
Evolve BioSystems, Inc.
Industry
Eligibility
14 Days to 42 Days
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Oct 29, 2026, 4:24 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Gut Microbiome Response to Long-Haul Travel in Elite Football Players

NCT07585474
View directory record Official record
Conditions
Microbial Composition, Immune Function
Interventions
Probiotic Capsule, Placebo
Drug
Lead sponsor
Sheffield Hallam University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 29, 2026, 4:24 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of a Synbiotic Supplement on a High-protein Diet

NCT03123510
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 21, 2017 · Synced Oct 29, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Probiotic Prophylaxis for Immunosuppressant Associated Diarrhea (IAD) Following Kidney Transplantation

NCT00364650
View directory record Official record
Conditions
Immunosuppressant Associated Diarrhea
Interventions
Probiotic Supplement, Placebo
Drug · Other
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 26, 2011 · Synced Oct 29, 2026, 4:24 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Garden of Life Once Daily Women's Probiotic: Vaginal pH and Quality of Life Study

NCT05330091
View directory record Official record
Conditions
Vaginal Health
Interventions
Once Daily Women's Probiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Garden of Life, LLC
Industry
Eligibility
19 Years to 70 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Wellington, Florida
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Oct 29, 2026, 4:24 AM EDT
Terminated Not applicable Interventional

Dose Ranging Study With the Probiotic Combination (VSL#3) in Diarrhea IBS

NCT00179582
View directory record Official record
Conditions
IBS
Interventions
VSL#3
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 27, 2019 · Synced Oct 29, 2026, 4:24 AM EDT