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 30, 2026, 10:16 AM EDT

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

Showing 97–120 of 192 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Lactobacillus Clear all
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 30, 2026, 10:16 AM EDT
Suspended Phase 3 Interventional

BIO-K+ CL1285 for Prevention of Recurrent Clostridium Difficile Infection

NCT01202630
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection
Interventions
Lactobacillus acidophilus CL1285® and Lactobacillus casei, Placebo
Dietary Supplement
Lead sponsor
Bio-K Plus International Inc.
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2016 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Not applicable Interventional

Maternal Probiotic Supplementation for Improved Outcomes in Infants of Diabetic Mothers

NCT05467150
View directory record Official record
Conditions
Infant of Diabetic Mother
Interventions
Probiotic Supplement
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Phase 3 Interventional

Lactobacillus GG in the Prophylaxis of Ventilator Associated Pneumonia

NCT00613795
View directory record Official record
Conditions
Pneumonia, Ventilator Associated Pneumonia
Interventions
Lactobacillus GG, placebo
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 18, 2010 · Synced Oct 30, 2026, 10:16 AM EDT
Terminated Not applicable Interventional

Lactobacillus GG Supplementation During Pediatric Burn Injuries

NCT00220519
View directory record Official record
Conditions
Burns
Interventions
Lactobacillus GG
Drug
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
Up to 18 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 7, 2008 · Synced Oct 30, 2026, 10:16 AM EDT
Withdrawn Phase 2 Interventional

Probiotics for Girls With Recurring Urinary Tract Infections

NCT00789464
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Lactobacillus reuteri DSM 17938, trimethoprim/sulfamethoxazole
Dietary Supplement · Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Months to 17 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Oct 30, 2026, 10:16 AM EDT
Suspended Not applicable Interventional

Probiotics for the Prevention of Immunotherapy Induced Colitis in Patients Receiving Immunotherapy

NCT06508034
View directory record Official record
Conditions
Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Live Freeze-Dried Lactic Acid Bacteria Probiotic, Questionnaire Administration
Procedure · Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 30, 2026, 10:16 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Alcoholic Liver Disease and the Gut Microbiome

NCT05007470
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety of Lactobacillus Rhamnosus GG ATCC 53103 (LGG) in Elderly Subjects

NCT01274598
View directory record Official record
Conditions
Healthy, Elderly
Interventions
Lactobacillus Rhamnosus GG, ATCC 53103 (LGG)
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
65 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Phase 2Phase 3 Interventional

Probiotics-Supplemented Feeding in Extremely Low Birth Weight Infants

NCT01164124
View directory record Official record
Conditions
Low Birth Weight
Interventions
Probiotic supplementation (Lactobacillus rhamnosus GG and Bifidobacterium infantis), Placebo
Dietary Supplement · Other
Lead sponsor
Vermont Oxford Network
Network
Eligibility
1 Day to 14 Days
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
3
States / cities
Detroit, Michigan • St Louis, Missouri • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Oct 30, 2026, 10:16 AM EDT
Active, not recruiting Not applicable Interventional

Probiotics for Inflammation in Pediatric Chronic Pain

NCT05141890
View directory record Official record
Conditions
Chronic Pain, Body Mass Index >=85th Percentile
Interventions
Lactobacillus Plantarum
Dietary Supplement
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
13 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prebiotic and Probiotic Modulation of the Gut Microbiota-gut-brain Axis During Acute Stress

NCT05392556
View directory record Official record
Conditions
Stress Physiology
Interventions
Probiotic, Prebiotic, Placebo
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 30, 2026, 10:16 AM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Multistrain Probiotic for Functional Constipation

NCT01618617
View directory record Official record
Conditions
Functional Constipation
Interventions
High dose Multistrain probiotic, 100 billion cfu/day, Low dose Multistrain probiotic, 15 billion cfu/day
Dietary Supplement
Lead sponsor
Renew Life Formulas Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 30, 2012 · Synced Oct 30, 2026, 10:16 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Lactobacillus Plantarum in Preventing Acute Graft Versus Host Disease in Children Undergoing Donor Stem Cell Transplant

NCT03057054
View directory record Official record
Conditions
Acute Graft Versus Host Disease, Hematopoietic and Lymphatic System Neoplasm, Leukemia, Lymphoma
Interventions
Allogeneic Hematopoietic Stem Cell Transplantation, Lactobacillus plantarum strain 299, Lactobacillus plantarum strain 299v, Placebo Administration
Procedure · Biological · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
2 Years to 25 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
40
States / cities
Birmingham, Alabama • Duarte, California • Los Angeles, California + 35 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Not applicable Interventional

Randomized, Double-Blind Placebo-Controlled Trial to Assess Overall User Experience of a Synbiotic Vaginal Suppository

NCT06236893
View directory record Official record
Conditions
Vaginal Personal Care
Interventions
VH-01 vaginal suppository tablet, Placebo vaginal suppository tablet
Other
Lead sponsor
Seed Health
Industry
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated May 31, 2025 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Detection of Probiotic Strains in Vaginal Swabs Collected From Healthy Women

NCT04719611
View directory record Official record
Conditions
Healthy
Interventions
Probiotic
Dietary Supplement
Lead sponsor
Lallemand Health Solutions
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Oct 30, 2026, 10:16 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

LpD3.5 Intervention Study in Older Adults- LISA-I Trial

NCT07794956
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Cognition, Brain Aging, Microbiome Dysbiosis, Leaky Gut Syndrome, Gut Inflammation, Inflammaging
Interventions
LpD3.5, Placebo
Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
60 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Not applicable Interventional

Acidophilus for the Treatment and Prevention of Oral Candidiasis in Patients Undergoing Radiation Therapy

NCT00768794
View directory record Official record
Conditions
Oral Candidiasis
Interventions
Acidophilus, Acidolphilus
Dietary Supplement
Lead sponsor
Summa Health System
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Use of Oral Probiotics to Reduce Urinary Oxalate Excretion

NCT00587041
View directory record Official record
Conditions
Nephrolithiasis, Hyperoxaluria, Crohn's Disease
Interventions
Oxadrop, Agri-King Synbiotic (AKSB), Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 31, 2012 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Phase 2 Interventional

Lactobacillus Johnsonii in Children and Adolescents With T1D

NCT03961854
View directory record Official record
Conditions
Type 1 Diabetes (T1D)
Interventions
L. johnsonii Probiotic, Placebo Capsule
Drug
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Lactobacillus Plantarum KABP-51 Probiotic on Body Composition, Microbiome and Mood in Healthy Overweight Adults

NCT06808061
View directory record Official record
Conditions
Weight Loss, Mood
Interventions
Lactobacillus plantarum, Placebo
Dietary Supplement
Lead sponsor
3 Waves Wellness
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Plymouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

The Effects of Probiotic Supplementation on Markers of Muscle Damage and Performance Following Exercise Induced Muscle Damage

NCT02520583
View directory record Official record
Conditions
Probiotics
Interventions
Lactic acid bacteria and bifidobacteria, Placebo
Dietary Supplement · Other
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2016 · Synced Oct 30, 2026, 10:16 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability and Host Response to Lactobacillus Johnsonii

NCT02349360
View directory record Official record
Conditions
Healthy
Interventions
L. johnsonii N6.2, Placebo
Biological
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Oct 30, 2026, 10:16 AM EDT
Recruiting Not applicable Interventional

The Effect of Peri-Operative Adjunctive Probiotics on Immunological Markers in Cases of Prosthetic Joint Infection of the Hip and Knee

NCT06919913
View directory record Official record
Conditions
Prosthetic-joint Infection
Interventions
Culturelle Digestive Daily Probiotic Capsule
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 90 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 30, 2026, 10:16 AM EDT