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ClinicalTrials.gov public records Last synced Sep 29, 2026, 11:28 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Advanced Ovarian Carcinoma, Recurrent Ovarian Carcinoma, Stage II Ovarian Cancer AJCC v8, Stage III Ovarian Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8
Interventions
Biospecimen Collection, Placebo Administration, Probiotic, Questionnaire Administration
Procedure · Drug · Dietary Supplement + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Pregnancy Related
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
3
States / cities
La Jolla, California • San Diego, California
Conditions
Fatigue
Interventions
Veillonella atypica FB0054, Placebo
Dietary Supplement · Other
Lead sponsor
FitBiomics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational Accepts healthy volunteers

Novel Probiotic Treatment for Prevention of Recurrent UTIs in Children

NCT01696227
Conditions
Recurrent UTIs, Catheter-Related Infections
Interventions
Nissle 1917
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
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
Conditions
Chronic Kidney Failure
Interventions
Kibow Biotics/Renadyl
Dietary Supplement
Lead sponsor
Kibow Pharma
Industry
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Active, not recruiting Not applicable Interventional

Probiotics for Inflammation in Pediatric Chronic Pain

NCT05141890
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
Conditions
Autism Spectrum Disorder
Interventions
intranasal oxytocin, oral probiotics, oral placebo
Drug · Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
3 Years to 25 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Vaginal Health, Women's Health
Interventions
Good Girl Probiotics
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Not yet recruiting Phase 3 Interventional Accepts healthy volunteers

Povidone Iodine for Caries Prevention

NCT07741409
Conditions
Dental Caries
Interventions
Povidone Iodine 5% Soln,Top,Kit, Probiotics, Placebo
Drug · Dietary Supplement
Lead sponsor
Jeffrey A. Banas
Other
Eligibility
1 Year to 3 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers

Use of Probiotics to Aid in Weight Loss

NCT01445704
Conditions
Weight Loss
Interventions
Probiotics, Placebo
Dietary Supplement
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Greenville, South Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Probiotic on Aspects of Mental Wellness

NCT05905679
Conditions
Mental Health Wellness
Interventions
Dietary Supplement: Probiotics, Dietary Supplement: Placebo
Dietary Supplement
Lead sponsor
Fonterra Research Centre
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Fatty Liver Disease, Fibrosis, Liver, Cirrhosis, Liver, Steatohepatitis, Nonalcoholic
Interventions
Align Probiotic Supplement Capsule, Placebos
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Farmington Hills, Michigan
Conditions
Irritable Bowel Syndrome
Interventions
Probiotic
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Houston, Texas • Seattle, Washington
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
Conditions
Diarrhea, Metastatic Renal Cell Carcinoma, Stage IV Renal Cell Cancer
Interventions
Laboratory Biomarker Analysis, Micronutrient-Fortified Probiotic Yogurt, VEGF-TKI
Other · Dietary Supplement · Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Duarte, California
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Hormone Receptor-Positive Breast Carcinoma
Interventions
Biospecimen Collection, Bone Mineral Density Test, Questionnaire Administration, WBF-038
Procedure · Other · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Study to Determine the Effect of Synbiotics in Patients With Pre-diabetes

NCT04428606
Conditions
PreDiabetes
Interventions
Metabolic Rheostat, Butyrate Ultra, Placebo
Dietary Supplement
Lead sponsor
Zhaoping Li
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

The Probiotic for Oral Health (PRO Health) Study

NCT03748017
Conditions
Oral Microbiome
Interventions
Placebo-Control Supplement, Streptococcus-Containing Probiotic Supplement
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
21 Years to 45 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Davis, California
Conditions
Obesity (Disorder)
Interventions
Gallotannin-rich mango, Lactiplantibacillus pentosus (probiotic), No Treatment Added
Dietary Supplement · Other
Lead sponsor
Prairie View A&M University
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Prairie View, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Oral Probiotic Supplementation on Group B Strep (GBS) Rectovaginal Colonization in Pregnancy

NCT01479478
Conditions
Infection, Pregnancy
Interventions
Placebo, Probiotic dietary supplement
Drug · Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
3
States / cities
Aptos, California • Santa Cruz, California • Stanford, California
Conditions
Clostridium Difficile Infection Recurrence
Interventions
Bacillus velezensis DSM 33864, Placebo
Dietary Supplement
Lead sponsor
Novozymes A/S
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Royal Oak, Michigan
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
Conditions
Group B Strep Infection
Interventions
Probiotic dietary supplement
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Albuquerque, New Mexico