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ClinicalTrials.gov public records Last synced Sep 30, 2026, 6:54 AM EDT

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Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bifidobacterium lactis (BB-12) Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Influence of a Delivery System on the Efficacy of a Probiotic Intervention

NCT01399996
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Not applicable Interventional

Ritual Synbiotic+, a Dietary Supplement Designed to Impact Gastrointestinal Health, Mood, and Behavior in Women

NCT06834984
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Yogurt Containing BB12 on Children's Health and Child Care Absenteeism

NCT00653705
View directory record Official record
Conditions
Children's Health and Growth, Childcare Absenteeism
Interventions
Yogurt drink with probiotic bacteria BB12, Placebo
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Months to 48 Months
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of BB-12 Supplemented Strawberry Yogurt For Healthy Adults on Antibiotics

NCT00848003
View directory record Official record
Conditions
Adults on Antibiotics
Interventions
Bifidobacterium animalis subsp. lactis strain BB-12, Placebo
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 20, 2013 · Synced Sep 30, 2026, 6:54 AM EDT
Recruiting Phase 1Phase 2 Interventional

Probiotics and Gut Health

NCT03418857
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Yogurt smoothie with BB-12, Yogurt smoothie
Drug
Lead sponsor
Penn State University
Other
Eligibility
55 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Synbiotic on the Gut Microbiota and Adiposity-related Markers in Healthy Overweight Subjects

NCT02151825
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 30, 2014 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Mechanisms of Preventing Antibiotic-Associated Diarrhea and the Role for Probiotics

NCT03755765
View directory record Official record
Conditions
Antibiotic-associated Diarrhea
Interventions
Amoxicillin-Clavulanate 875 Mg-125 Mg Oral Tablet, BB-12, Control
Drug · Biological · Other
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Sep 30, 2026, 6:54 AM EDT
Active, not recruiting Phase 2 Interventional

Probiotics to Prevent Relapse After Hospitalization for Bipolar Depression

NCT03349528
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Fecal Recovery of the Probiotic Bacteria Lactobacillus Rhamnosus GG (LGG) and Bifidobacterium Animalis Subspecies Lactis BB-12 (BB-12) in Healthy Humans Following Daily Consumption of a Probiotic Supplement

NCT01757054
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition Interventions to Support the Immune System in Response to Stress

NCT02053506
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Investigate the Potential of Probiotics in Yogurt

NCT00492583
View directory record Official record
Conditions
Healthy
Interventions
Bifidobacterium lactis (BB-12), Placebo
Drug
Lead sponsor
Georgetown University
Other
Eligibility
1 Year to 3 Years
Enrollment
182 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 Aug 17, 2011 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Mechanisms of Probiotics and Antibiotic-Associated Diarrhea

NCT04414722
View directory record Official record
Conditions
Antibiotic-associated Diarrhea
Interventions
Amoxicillin-Clavulanate 875 Mg-125 Mg Oral Tablet, BB-12, Control Yogurt
Drug · Biological · Other
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 65 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Not applicable Interventional

Physiological Effects of Yogurt With Bb12 in Subjects With GI Symptoms Strointestinal Symptoms

NCT01004484
View directory record Official record
Conditions
Non-diarrhea Functional Bowel Symptoms
Interventions
A probiotic yogurt with inulin, Acidified dairy snack
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 21, 2010 · Synced Sep 30, 2026, 6:54 AM 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 Sep 30, 2026, 6:54 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Yogurt Study in Children 2-4 Years Old Attending Daycare

NCT00760851
View directory record Official record
Conditions
Infections, Respiratory, Diarrhea
Interventions
probiotic strain Bb-12, no Bb-12
Other
Lead sponsor
Georgetown University
Other
Eligibility
2 Years to 4 Years
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 18, 2011 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety of BB-12 Supplemented Strawberry Yogurt For Healthy Children

NCT01652287
View directory record Official record
Conditions
Children
Interventions
BB-12 supplemented strawberry yogurt, Strawberry flavored yogurt
Drug · Other
Lead sponsor
Georgetown University
Other
Eligibility
1 Year to 5 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2024 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Phase 3 Interventional Results available

A Probiotic Intervention to Prevent Relapse Following Hospitalization for Mania

NCT03383874
View directory record Official record
Conditions
Mania (Neurotic)
Interventions
Probio-Tec BG-VCap-6.5, Placebo
Combination Product · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of BB-12 Supplemented Strawberry Yogurt For Healthy Children on Antibiotics

NCT03181516
View directory record Official record
Conditions
Antibiotic-associated Diarrhea
Interventions
Bifidobacterium animalis subsp. lactis BB-12, Control
Biological · Other
Lead sponsor
Georgetown University
Other
Eligibility
3 Years to 12 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 21, 2025 · Synced Sep 30, 2026, 6:54 AM EDT
Recruiting Phase 2 Interventional

Synbiotic Compound to Reduce Symptoms of Schizophrenia

NCT04226898
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 30, 2026, 6:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Yogurt Containing BB12 in Subjects With GI Symptoms

NCT00618488
View directory record Official record
Conditions
Pain
Interventions
Probiotic BB12 - Bifidobacterium lactis, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 20, 2008 · Synced Sep 30, 2026, 6:54 AM EDT