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 20, 2026, 7:41 AM 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 57 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Oral Microbiota Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Mouthwashes on Oral Wound Healing and Microbiome

NCT05270382
View directory record Official record
Conditions
Wound Heal, Oral Microbiome
Interventions
cetylpyridinium chloride
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 22, 2024 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Phase 2 Interventional Results available

Open-Label Extension of CP101 Trials Evaluating Oral Full-Spectrum Microbiota™ (CP101) in Subjects With Recurrence of Clostridium Difficile Infection

NCT03497806
View directory record Official record
Conditions
Clostridium Difficile Infection, Recurrent Clostridium Difficile Infection, C. Diff, CDI, Recurrent C. Diff, rCDI, C. Difficile, Recurrent CDI, FMT, Fecal Microbiota, Fecal Transplant
Interventions
CP101
Biological
Lead sponsor
Finch Research and Development LLC.
Industry
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
53
States / cities
Scottsdale, Arizona • Los Angeles, California • Murrieta, California + 47 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Oct 20, 2026, 7:41 AM EDT
Completed No phase listed Observational

A Description of Bacteria in the Mouths of Patients With Severe Aplastic Anemia

NCT01900119
View directory record Official record
Conditions
Severe Aplastic Anemia (SAA)
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 99 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Effect of a Stannous Fluoride Toothpaste on the Oral Microbiome

NCT06048809
View directory record Official record
Conditions
Oral Health
Interventions
Stannous Fluoride Toothpaste (Sensodyne Repair and Protect), Regular Fluoride Toothpaste (Colgate Cavity Protection)
Other
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Phase 2 Interventional Results available

Efficacy, Safety, and Tolerability Study of Oral Full-Spectrum MicrobiotaTM (CP101) in Subjects With Recurrent C. Diff

NCT03110133
View directory record Official record
Conditions
Clostridium Difficile Infection Recurrence
Interventions
Full Spectrum Microbiota, Placebo
Drug
Lead sponsor
Finch Research and Development LLC.
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
54
States / cities
Scottsdale, Arizona • Los Angeles, California • Murrieta, California + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Phase 1 Interventional

Livionex Oral Microbiome and Dental Plaque Control in HSCT Recipients

NCT02617407
View directory record Official record
Conditions
Dental Plaque
Interventions
Livionex® Dental Gel, PreviDent 5000 plus/Tom's of Maine Children's toothpaste, Kolibree Toothbrush
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Taste Perception, Salivary Proteins & the Oral Microbiome

NCT04107688
View directory record Official record
Conditions
Saliva Altered, Taste, Altered
Interventions
Control, CPE
Other
Lead sponsor
Rutgers University
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 20, 2026, 7:41 AM EDT
Not yet recruiting Phase 2 Interventional

OEA for Young Adults With Alcohol Use Disorder

NCT07503782
View directory record Official record
Conditions
Alcohol Use Disorder (AUD)
Interventions
oleoylethanolamide
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Study of Virtually Supervised Mouthwash and Interdental Brushes

NCT05756673
View directory record Official record
Conditions
Healthy
Interventions
Colgate Cavity Protection Toothpaste, LISTERINE ZERO Alcohol Mouthwash COOL MINT, LISTERINE COOL MINT Antiseptic Mouthwash, TePe Original Interdental Brush
Drug · Device
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
18 Years and older
Enrollment
292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comprehensive Multi-omics Characterization and Implications of Non-Pharmaceutical Dental Hygiene Product in a Randomized Controlled Large Population Study.

NCT07451782
View directory record Official record
Conditions
Basic Science, Intervention Studies, Biomarker Discovery
Interventions
Oral Lozenges (Tradename pHossident), Water additive (Tradename Protektin)
Dietary Supplement
Lead sponsor
Delta Dental of Minnesota Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Phase 2 Interventional Results available

The Effect of Chlorhexidine on the Oral and Lung Microbiota in Chronic Obstructive Pulmonary Disease

NCT02252588
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Chlorhexidine, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
40 Years to 85 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Oct 20, 2026, 7:41 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal Oral Microbiome Sampling for BE

NCT05133102
View directory record Official record
Conditions
Barrett Esophagus
Interventions
Sample collection
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
2
States / cities
Ann Arbor, Michigan • New York, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 20, 2026, 7:41 AM EDT
Recruiting Phase 2 Interventional

Evaluation the Safety and Efficacy of Lyophilized Fecal Microbiota Transplantation Administered Orally for Prevention of Relapse or Intestinal Inflammation in Adults With Ulcerative Colitis

NCT04373473
View directory record Official record
Conditions
Adults With Ulcerative Colitis
Interventions
PRIM-DJ2727, Placebos
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 20, 2026, 7:41 AM EDT
Withdrawn Phase 3 Interventional

Lactobacillus Lozenges as Preventative Care in Low-grade Dysplasia

NCT05707702
View directory record Official record
Conditions
Low-grade Oral Dysplasia
Interventions
Probiotic oral lozenges, Standard of care for oral dysplasia
Biological · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Oct 20, 2026, 7:41 AM EDT
Terminated Phase 1 Interventional

RBX7455 Before Surgery for the Treatment of Operable Breast Cancer

NCT04139993
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Breast Adenocarcinoma, Invasive Breast Carcinoma, Prognostic Stage I Breast Cancer AJCC v8, Prognostic Stage IA Breast Cancer AJCC v8, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8, Triple-Negative Breast Carcinoma
Interventions
Microbiota-based Formulation RBX7455
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Not applicable Interventional

Oral Administration of Colostrum to Premature Babies: Impact on the Oral Microbiota

NCT02306980
View directory record Official record
Conditions
Changes in the Oral Microbiota
Interventions
Colostrum
Other
Lead sponsor
University of California, Davis
Other
Eligibility
12 Hours to 7 Days
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 25, 2017 · Synced Oct 20, 2026, 7:41 AM EDT
Terminated Not applicable Interventional Results available

Commensal Oral Microbiota in Head and Neck Cancer

NCT03843554
View directory record Official record
Conditions
Head and Neck Cancer, Oral Mucositis
Interventions
Standard of Care Oral Hygiene, Oral mucosal deterging and dental prophylaxis
Other · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 26, 2025 · Synced Oct 20, 2026, 7:41 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Periodontal Inflammation and Epigenetics in Obese Individuals

NCT07610902
View directory record Official record
Conditions
Obesity, Periodontitis
Interventions
Non-surgical periodontal therapy will be administered
Procedure
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 20, 2026, 7:41 AM EDT
Enrolling by invitation Not applicable Interventional

Impact of an Arginine-containing Toothpaste on the Subgingival Microbiota in Patients in Supportive Periodontal Care

NCT07755800
View directory record Official record
Conditions
Gum Disease
Interventions
Arginine Toothpaste, Fluoride Toothpaste
Device
Lead sponsor
Sukirth M Ganesan, BDS, PhD
Other
Eligibility
18 Years to 95 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Antibacterial Mouthwash on Muscle Function in Healthy Young Men and Women

NCT04095442
View directory record Official record
Conditions
Quadriceps Muscle
Interventions
Cepacol, Tom's Natural Mouthwash
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 20, 2026, 7:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cigarette Smoking and Oral Microbiota

NCT01862809
View directory record Official record
Conditions
Microbiota, Lung Cancer, Oral Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
25 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Oct 20, 2026, 7:41 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Oral Fecal Microbiota Transplant Feasibility Study in Alzheimer's Disease

NCT03998423
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Fecal Microbiota Transplant
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
45 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 24, 2020 · Synced Oct 20, 2026, 7:41 AM EDT
Completed Phase 1 Interventional

Effects of Nystatin Suspension Oral Application on Oral Microbial Community

NCT04550546
View directory record Official record
Conditions
Dental Caries
Interventions
Nystatin
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Oct 20, 2026, 7:41 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Microbiome in Aging of Gut and Brain

NCT07799402
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease (AD), Dementia
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2031
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 20, 2026, 7:41 AM EDT