Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

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 5, 2026, 2:50 PM EDT

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

Showing 25–48 of 66 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Lactobacillus rhamnosus Clear all
Completed Not applicable Interventional

Optimizing Overactive Bladder Treatment

NCT03904407
View directory record Official record
Conditions
Overactive Bladder
Interventions
Lactobacillus Probiotic Capsule, Matching Lactobacillus Probiotic Placebo Capsule
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Hillsborough, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Results available

Lactobacillus Rhamnosus GG in Reducing Incidence of Graft-Versus-Host Disease in Patients Who Have Undergone Donor Stem Cell Transplant

NCT02144701
View directory record Official record
Conditions
Graft Versus Host Disease
Interventions
Lactobacillus rhamnosus GG, laboratory biomarker analysis was not performed because of no differences in the clinical outcomes
Dietary Supplement · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Probiotics on Health-related Quality of Life in College Students With Upper Respiratory Infections

NCT01657643
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 28, 2015 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of a Prebiotic and Probiotic Supplement to Provide Relief From Symptoms Associated With Bacterial Vaginosis and Yeast Infections.

NCT06665126
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Measuring the Influence of Kefir on Children's Stools on Antibiotics (MILK)

NCT00481507
View directory record Official record
Conditions
Respiratory Tract Infections
Interventions
Kefir, Placebo
Other
Lead sponsor
Georgetown University
Other
Eligibility
1 Year to 5 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional

Evaluation of Jarro-Dophilus EPS® Probiotic Formulations

NCT02693314
View directory record Official record
Conditions
Healthy
Interventions
Jarro-Dophilus EPS® (5 billion CFU/capsule), Jarro-Dophilus EPS® High Potency (25 billion CFU/capsule), Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 23, 2018 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Lactobacillus on the Microbiome of Household Contacts Exposed to COVID-19

NCT04399252
View directory record Official record
Conditions
Microbiome
Interventions
Lactobacillus rhamnosus GG, Lactobacillus rhamnosus GG Placebo
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
1 Year and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of Lactobacillus Rhamnosus GG Vs. Placebo in Elderly Subjects Receiving Trivalent Inactivated Influenza Vaccine

NCT01368029
View directory record Official record
Conditions
Healthy, Elderly
Interventions
Lactobacillus rhamnosus GG ATCC 53103 (LGG), Placebo
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
65 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Probiotic on Psychological and Cognitive Effects

NCT03080818
View directory record Official record
Conditions
Aging
Interventions
Probiotic - Lactobacillus Rhamnosus GG, Placebo
Dietary Supplement · Other
Lead sponsor
Kent State University
Other
Eligibility
55 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional

Probiotic Supplementation on Weight Loss

NCT03832439
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 2 Interventional

A Pilot Trial to Determine the Efficacy of Lactobacillus Rhamnosus for Reducing Colonization by Methicillin-resistant Staphylococcus Aureus (MRSA) (PROSE)

NCT01112995
View directory record Official record
Conditions
Infection
Interventions
Lactobacillus rhamnosus, Sugar pill (placebo)
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 4 Interventional

Probiotics to Prevent Severe Pneumonia and Endotracheal Colonization Trial

NCT02462590
View directory record Official record
Conditions
Ventilator Associated Pneumonia, Infections, C-Difficile, Antibiotic-associated Diarrhea, Diarrhea
Interventions
L. rhamnosus GG - Probiotic, Placebo - Microcrystalline Cellulose
Drug
Lead sponsor
McMaster University
Other
Eligibility
18 Years and older
Enrollment
2,650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
2
States / cities
Rochester, Minnesota • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 17, 2020 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 4 Interventional Results available

The Use of Probiotics to Evaluate Colonization With Antimicrobial Resistant Bacteria

NCT01551186
View directory record Official record
Conditions
Infectious Disease of Digestive Tract
Interventions
Lactobacillus rhamnosus GG
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 17, 2018 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Probiotic Blend Reduces Gastrointestinal Symptoms and Positively Impacts Microbiota Modulation in a Randomized Study

NCT05614726
View directory record Official record
Conditions
Microbiota, Constipation, Candida
Interventions
575mg [30 billion colony forming units] probiotic blend of Bifidobacterium breve, Lactobacillus acidophilus, Lacticaseibacillus rhamnosus, Saccharomyces boulardii, and alpha amylase
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
30 Years to 60 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Oct 5, 2026, 2:50 PM EDT
Recruiting Phase 2 Interventional

LGG Supplementation in Patients With AUD and ALD

NCT05178069
View directory record Official record
Conditions
Alcohol Use Disorder, Alcohol-associated Liver Disease
Interventions
: Placebo for Probiotic, Lactobacillus Rhamnosus GG
Drug · Dietary Supplement
Lead sponsor
University of Louisville
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional

Role of Probiotics in Treatment of Pediatric NAFLD Patients by Assessing With Fibroscan

NCT04671186
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Culturelle (Lactobacillus rhamnosus strain GG), Placebo
Dietary Supplement · Other
Lead sponsor
Northwell Health
Other
Eligibility
5 Years to 18 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2023 · Synced Oct 5, 2026, 2:50 PM EDT
Terminated Not applicable Interventional Results available

Novel Therapies in Moderately Severe Acute Alcoholic Hepatitis

NCT01922895
View directory record Official record
Conditions
Acute Alcoholic Hepatitis
Interventions
Lactobacillus Rhamnosus GG, Placebo for Probiotic
Dietary Supplement · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
3
States / cities
Louisville, Kentucky • Cleveland, Ohio • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Impact of Emergency Department Probiotic (LGG) Treatment of Pediatric Gastroenteritis

NCT01773967
View directory record Official record
Conditions
Gastroenteritis
Interventions
LGG, micro-crystalline cellulose
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
3 Months to 48 Months
Enrollment
971 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
10
States / cities
Sacramento, California • Washington D.C., District of Columbia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 1 Interventional

Effect of Lactobacillus Probiotic on Healthy Adults

NCT00748748
View directory record Official record
Conditions
Antibiotic-associated Diarrhea
Interventions
Culturelle
Biological
Lead sponsor
Fargo VA Medical Center
Federal
Eligibility
18 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Jul 4, 2012 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prenatal Probiotic Intervention

NCT03240419
View directory record Official record
Conditions
Childhood Obesity, Maternal Obesity During Childbirth, Insulin Resistance, Inflammation
Interventions
Probiotics, Placebo
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effect of BIO-K+ on Symptoms of Irritable Bowel Syndrome

NCT01545037
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
L. acidophilus CL1285® + L. casei LBC80R® + L. rhamnosus CLR2®, Placebo
Dietary Supplement · Other
Lead sponsor
Bio-K Plus International Inc.
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
3
States / cities
Garden Grove, California • San Francisco, California • Westlake Village, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 2 Interventional Results available

Impact of Probiotics for Reducing Infections in Veterans: The IMPROVE Study

NCT01321606
View directory record Official record
Conditions
Anti-biotic Resistance
Interventions
Lactobacillus rhamnosus HN001, sugar pill (placebo)
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 3, 2018 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Probiotic Administration on Mood

NCT05343533
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Oct 5, 2026, 2:50 PM EDT
Completed Phase 4 Interventional

Rhinovirus Study With Lactobacillus Rhamnosus GG

NCT01229917
View directory record Official record
Conditions
Respiratory Tract Infections [C08.730]
Interventions
Fruit juice with Lactobacillus rhamnosus GG, version 1, Fruit juice with Lactobacillus rhamnosus GG, version 2, Standard fruit juice
Other
Lead sponsor
Valio Ltd
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 7, 2011 · Synced Oct 5, 2026, 2:50 PM EDT