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ClinicalTrials.gov public records Last synced Nov 15, 2026, 7:22 AM EST

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Showing 97–100 of 100 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral Probiotics Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of an Oral Probiotic Intervention With or Without a Novel ADP-1 Toothpaste

NCT05330793
View directory record Official record
Conditions
Oral Health
Interventions
Oral probiotic, Placebo
Dietary Supplement
Lead sponsor
USANA Health Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
South Jordan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 21, 2023 · Synced Nov 15, 2026, 7:22 AM EST
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 Nov 15, 2026, 7:22 AM EST
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of Probiotics on Drug, Vitamin, and Hormone Metabolism

NCT04281407
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Nov 15, 2026, 7:22 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Safety of an Oral Probiotic in Healthy Adults

NCT04492631
View directory record Official record
Conditions
Healthy Adults
Interventions
Streptococcus salivarius DB-B5, Placebo
Dietary Supplement · Other
Lead sponsor
Dose Biosystems Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Nov 15, 2026, 7:22 AM EST