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ClinicalTrials.gov public records Last synced Oct 30, 2026, 6:30 PM EDT

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Showing 145–168 of 913 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 4 Interventional

Irritable Bowel Syndrome Evaluation and Treatment in Primary Care

NCT01641341
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Bifidobacterium infantis, Pancrelipase, Nitazoxanide, Placebo
Drug
Lead sponsor
American Academy of Family Physicians
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
9
States / cities
Lomita, California • Leawood, Kansas • Baton Rouge, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 30, 2026, 6:30 PM EDT
Recruiting Early Phase 1 Interventional

Improving Outcomes of Older Adults Undergoing Ostomy Surgery

NCT07424586
View directory record Official record
Conditions
Ostomy - Ileostomy or Colostomy
Interventions
Geriatric Assessment Strategy for Ostomy Management and Adaptation (GA-STOMA)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Phase 1 Interventional

Interventions to Decrease the Impact of Post-OPerative Ileus After Liver Transplant or Resection Surgery

NCT01156129
View directory record Official record
Conditions
Ileus
Interventions
stool softener, Arm B: Acupressure bracelet, sugar free gum
Drug · Device · Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 30, 2026, 6:30 PM EDT
Completed No phase listed Observational

Gastrointestinal Microbiome Influence on the Development of Bronchopulmonary Dysplasia

NCT03229967
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
16S rRNA stool microbiome sequencing.
Diagnostic Test
Lead sponsor
University of Tennessee
Other
Eligibility
0 Days to 7 Days
Enrollment
197 participants
Timeline
2017 – 2020
U.S. locations
2
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Congenital Heart Anomaly Risk in Maternal Enteroviral Infection and Diabetes

NCT04769167
View directory record Official record
Conditions
Congenital Heart Disease, Viremia, Virus Diseases, Enterovirus, Enterovirus Infections, Heart Defects, Congenital, Heart Diseases, Prenatal Infection, Diabetes, Diabetes Mellitus, Type 2, Diabetes Mellitus, Type 1, Diabetes Mellitus, Pregnancy in Diabetic, Pregnancy Complications, Prenatal
Interventions
Stool and Blood Specimen Collection, Follow-up Medical Record Review
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Withdrawn Not applicable Interventional

EGESTA - Emergent GI Therapy for Severe, Complicated CDI Using Fecal Microbiota Transplant

NCT02968511
View directory record Official record
Conditions
C.Difficile Colitis
Interventions
fecal microbiota transplant
Biological
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 27, 2017 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Fecal Microbiota Transplantation to Treat Recurrent C. Difficile Associated Diarrhea Via Retention Enema or Oral Route

NCT02449174
View directory record Official record
Conditions
C. Difficile
Interventions
Frozen Microbiota, Lyophilized Microbiota
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced Oct 30, 2026, 6:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Colonoscopy Versus Fecal Immunochemical Test in Reducing Mortality From Colorectal Cancer (CONFIRM)

NCT01239082
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Colonoscopy, Fecal immunochemical test (FIT)
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 75 Years
Enrollment
50,126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2028
U.S. locations
45
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Fresno, California + 42 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Phase 1 Interventional

Neoantigen DNA Vaccine in Combination With Nivolumab/Ipilimumab and PROSTVAC in Metastatic Hormone-Sensitive Prostate Cancer

NCT03532217
View directory record Official record
Conditions
Metastatic Hormone-Sensitive Prostate Cancer
Interventions
PROSTVAC-V, PROSTVAC-F, Nivolumab, Ipilimumab, Neoantigen DNA vaccine, TriGrid Delivery System, Tumor biopsy, Peripheral blood, Fecal samples, Leukapheresis
Biological · Drug · Device + 1 more
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 5, 2022 · Synced Oct 30, 2026, 6:30 PM EDT
Terminated Not applicable Interventional Results available

Treatment of Patients With Fecal Incontinence

NCT00292318
View directory record Official record
Conditions
Fecal Incontinence
Interventions
Biofeedback Therapy for Fecal Incontinence: A Randomized Control Study, control group
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Sepulveda, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2015 · Synced Oct 30, 2026, 6:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Implementation Research to Increase Colorectal Cancer Screening Rates Among Low Income and Ethnic Minority Groups

NCT06090643
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Best Practice, Consultation, Educational Intervention, Electronic Health Record Review, Fecal Immunochemical Test, Feedback, Health Education, Support Education Activity, Text Message-Based Navigation Intervention
Other · Behavioral
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
50 Years to 75 Years
Enrollment
9,745 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Phase 2 Interventional Results available

Microbiota Restoration Therapy for Recurrent Clostridium Difficile-associated Diarrhea

NCT01925417
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection
Interventions
RBX2660 (microbiota suspension)
Biological
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
13
States / cities
Phoenix, Arizona • Denver, Colorado • Jacksonville, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 30, 2026, 6:30 PM EDT
Active, not recruiting Phase 2 Interventional

Autologous Fecal Microbiota Transplantation (Auto-FMT) for Prophylaxis of Clostridium Difficile Infection in Recipients of Allogeneic Hematopoietic Stem Cell Transplantation

NCT02269150
View directory record Official record
Conditions
Allogeneic Hematopoietic Stem Cell
Interventions
fecal microbiota transplantation (FMT), No fecal microbiota transplantation (FMT), routine management
Biological · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Terminated No phase listed Observational

Associations Between Chemotherapy-Induced Nausea in Patients With Genitourinary, Sarcoma or Melanoma Cancers and Changes in Gut Microbiome: Potential for Precision Therapeutics

NCT05819827
View directory record Official record
Conditions
Bladder Cancer, Prostate Cancer, Testicular Cancer, Bladder Carcinoma, Genitourinary System Carcinoma, Malignant Testicular Neoplasm, Melanoma, Prostate Carcinoma, Sarcoma
Interventions
Blood and Tissue
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Enrolling by invitation No phase listed Observational

PillSense Use in Anemia and Hemoccult

NCT06951490
View directory record Official record
Conditions
Occult Gastrointestinal Bleeding, Upper Gastrointestinal Bleeding (UGIB)
Interventions
PillSense™
Device
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Recruiting Phase 4 Interventional

Zopa Retreatment and Vector Shedding in Adults With RRP

NCT06538480
View directory record Official record
Conditions
Recurrent Respiratory Papillomatosis, Papillomavirus Infection, Papillomaviridae
Interventions
Zopapogene imadenovec (Zopa)
Drug
Lead sponsor
Precigen, Inc
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Atlanta, Georgia • Bethesda, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Not listed Phase 2 Interventional

Microbiota Transfer Therapy for Children and Adults With Both Pitt Hopkins Syndrome and Gastrointestinal Disorders

NCT06321796
View directory record Official record
Conditions
Pitt Hopkins Syndrome
Interventions
MTP-101P, Vancomycin, Magnesium Citrate, Antacid, Placebo MTP-101P, Placebo Vancomycin
Combination Product
Lead sponsor
Gut-Brain-Axis Therapeutics Inc.
Other
Eligibility
5 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Not applicable Interventional

Trial of a Computer-Based Presentation of Quantitative Information About Colorectal Cancer Screening

NCT01415479
View directory record Official record
Conditions
Colonic Neoplasms
Interventions
Control, Quantitative, Default
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 75 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Oct 30, 2026, 6:30 PM EDT
Not yet recruiting Phase 1 Interventional

Familial Fecal Microbiota Transplant for the Treatment of Subjects With Autism Spectrum Disorders

NCT04630847
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder
Interventions
Fecal Microbiota Transplant
Biological
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Terminated No phase listed Observational

Relationship Between Alterations in the GI Microbiome and GI Inflammation on Symptom Burden in Women With Breast Cancer Receiving Chemotherapy

NCT06238986
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 30, 2026, 6:30 PM EDT
Completed Phase 1 Interventional

Fecal Microbial Transplant (FMT) for Sjogrens Syndrome

NCT03926286
View directory record Official record
Conditions
Sjogren's Syndrome
Interventions
FMP-30
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 5, 2020 · Synced Oct 30, 2026, 6:30 PM EDT
Completed No phase listed Observational

Developing Self-Management Interventions After HCT

NCT03710031
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplant (HSCT)
Interventions
PNS Tracking
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2021 · Synced Oct 30, 2026, 6:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Irritable Bowel Syndrome and Control Volunteers: Diet Challenge

NCT06668922
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Inulin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 30, 2026, 6:30 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety and Efficacy of FMT in Individuals With One or More Recurrences of Clostridium Difficile Associated Disease (CDAD)

NCT03548051
View directory record Official record
Conditions
Clostridial Infection, Dysbiosis, Probiotic Therapy
Interventions
Fecal Microbiota Transplantation (FMT), Saline
Procedure · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
3
States / cities
Decatur, Georgia • Durham, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Oct 30, 2026, 6:30 PM EDT