Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 6:21 PM EDT

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Showing 313–336 of 913 matching trials from the live ClinicalTrials.gov search.
Conditions
Hepatic Encephalopathy, Cirrhosis, Liver
Interventions
RBX7455, Placebo
Biological
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Jefferson, Louisiana
Conditions
Acute Graft-Versus-Host Disease (Gvhd) Grade, Hematopoietic Cell Transplantation, Fecal Microbiota Transplant
Interventions
Fecal Microbiota Transplant
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Colonoscopy Outreach for Rural Communities Aim 2

NCT05453630
Conditions
Colorectal Cancer
Interventions
Patient Navigation, Usual Care Control
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
45 Years to 915 Months
Enrollment
527 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Fecal Incontinence
Interventions
Muscle Fiber Fragment (MFF) Injections
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Lung Cancer
Interventions
Bronchoscopy, Research Procedures
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Particle Size Project

NCT05091801
Conditions
Test if Increased Chewing Will Increased Microbiota SCFA Production
Interventions
Intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2 Interventional Results available

Niclosamide for Mild to Moderate COVID-19

NCT04399356
Conditions
COVID-19
Interventions
Niclosamide, Placebo, Telehealth monitoring
Drug · Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Irritable Bowel Syndrome Characterized by Constipation
Interventions
Botanical Tincture, Placebo
Drug · Other
Lead sponsor
Stamford Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Stamford, Connecticut
Withdrawn No phase listed Observational Accepts healthy volunteers

Optimization of Collection Methods for Studies of the Human Microbiota

NCT03731702
Conditions
Microbial Composition
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rockville, Maryland
Completed No phase listed Observational

Clinical Diagnosis of Acute Porphyria

NCT01568554
Conditions
Hereditary Coproporphyria (HCP), Acute Intermittent Porphyria (AIP), Variegate Porphyria (VP)
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
15 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
6
States / cities
Birmingham, Alabama • San Francisco, California • New York, New York + 3 more
Conditions
Fecal Incontinence
Interventions
Repetitive lumbosacral magnetic stimulation (rTLSMS)
Procedure
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 90 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Irritable Bowel Syndrome
Interventions
fecal microbiota transplantation, placebo fecal microbiota transplantation, FMT with antibiotic pre-treatment (v1), FMT with antibiotic pre-treatment (v2)
Procedure · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting No phase listed Observational Accepts healthy volunteers

Pathobiomes in Gut of Critically Ill Patients

NCT06822465
Conditions
Pseudomonas Aeruginosa
Interventions
P. aeruginosa using in vitro and in vivo assays
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Hyde Park, Illinois
Active, not recruiting Not applicable Interventional

F15 Recharge Free Axonics SNM System Clinical Study

NCT06186765
Conditions
Urinary Urge Incontinence (UUI), Urinary Frequency (UF), Fecal Incontinence (FI)
Interventions
Axonics SNM System (Model 4101)
Device
Lead sponsor
Axonics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
11
States / cities
Waterford, Connecticut • Bradenton, Florida • Jacksonville, Florida + 8 more
Conditions
Intestinal Anastomosis Complication
Interventions
Magnamosis
Device
Lead sponsor
Michael Harrison
Other
Eligibility
18 Years to 60 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
San Francisco, California
Completed Phase 1Phase 2 Interventional

FMT in Pediatric Crohn's Disease

NCT03194529
Conditions
Crohn Disease, Pediatric Crohns Disease
Interventions
FMT
Biological
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
7 Years to 21 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Intestinal Graft Versus Host Disease
Interventions
Colonoscopy, Fecal Microbiota Transplantation, Nutritional Supplementation, Survey Administration, Biospecimen Collection
Procedure · Biological · Dietary Supplement + 1 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Terminated No phase listed Observational

Gut Microbiome and Depression

NCT05808101
Conditions
Multiple Sclerosis, Depression
Interventions
Neuro-QoL T-score determination
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Results available

A Colonic Tube to Improve Bowel Function in Spinal Cord Injury

NCT00345397
Conditions
Constipation, Fecal Incontinence, Spinal Cord Injury
Interventions
Percutaneous endoscopic colostomy (PEC) tube
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Constipation
Interventions
Not listed
Lead sponsor
Synergy Health Solutions
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
3
States / cities
Brooksville, Florida • Casselberry, Florida • Melbourne, Florida
Conditions
Clostridium Difficile Infection, Infection, Communicable Diseases
Interventions
RBX2660
Drug
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
793 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
46
States / cities
Phoenix, Arizona • North Little Rock, Arkansas • Oxnard, California + 43 more
Completed No phase listed Observational

Functional Dyspepsia Microbiome Study

NCT02340312
Conditions
Functional Dyspepsia
Interventions
EGD, Collection of Stool Specimens
Procedure · Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Kansas City, Missouri
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
Conditions
Graft-versus-host Disease Prevention
Interventions
Best Practice, Fecal Microbiota Transplantation, Nystatin, Piperacillin-Tazobactam
Other · Procedure · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
16 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Houston, Texas