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ClinicalTrials.gov public records Last synced May 22, 2026, 12:50 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 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: C. Difficile Clear all
Not yet recruiting Phase 1 Interventional
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Clostridioides Difficile Infection
Interventions
Xylitol, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2033
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Vancomycin Oral Capsule, Placebo Oral Capsule
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 19, 2021 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Positive C-Diff Culture
Interventions
MucoMilk product
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2008 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 3 Interventional
View directory record Official record
Conditions
Enterocolitis, Pseudomembranous, Diarrhea, Clostridium Difficile
Interventions
GT267-004 (tolevamer potassium sodium)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
13
States / cities
Modesto, California • Honolulu, Hawaii • Maywood, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Recurrent C. Difficile Infection
Interventions
CP101, Placebo
Biological · Other
Lead sponsor
Finch Research and Development LLC.
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
61
States / cities
Phoenix, Arizona • Mission Hills, California • Oakland, California + 51 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced May 22, 2026, 12:50 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
C. Difficile
Interventions
Arm 1: Routine care, Arm 2: Preemptive C. difficile infection prevention bundle
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced May 22, 2026, 12:50 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Diarrhea
Interventions
Probiotics
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 89 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Clostridium Difficile-associated Diarrhea (CDAD)
Interventions
intravenous immunoglobulin G (IVIG), Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
4
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 24, 2016 · Synced May 22, 2026, 12:50 AM EDT
Not yet recruiting Early Phase 1 Interventional
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD), Clostridioides Difficile Infection
Interventions
Xylitol
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Oral Vancomycin
Drug
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Clostridium Infections
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
7
States / cities
Sacramento, California • Hamden, Connecticut • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced May 22, 2026, 12:50 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Clostridium Difficile Infection, Ulcerative Colitis, Indeterminate Colitis
Interventions
Fecal Microbial Transplantation
Biological
Lead sponsor
Stony Brook University
Other
Eligibility
7 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 4 Interventional
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Oral Vancomycin, Placebo
Drug
Lead sponsor
Rochester General Hospital
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Ventilator Associated Pneumonia (VAP), Other Infections, Antibiotic-Associated Diarrhea, C-Difficile, Duration of Mechanical Ventilation, Length of ICU Stay, Length of Hospital Stay, ICU and Hospital Mortality
Interventions
L. rhamnosus GG - Probiotic, Placebo - Microcrystalline Cellulose
Drug · Other
Lead sponsor
McMaster University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Rochester, Minnesota • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
CRS3123, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Stool specimen
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Year to 99 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Not listed
Lead sponsor
Pathnostics
Industry
Eligibility
18 Years and older
Enrollment
3,308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Louisville, Kentucky • Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
C. difficile Toxoid Vaccine, Placebo: 0.9% normal saline
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
50 Years and older
Enrollment
9,302 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
142
States / cities
Huntsville, Alabama • Mobile, Alabama • Flagstaff, Arizona + 124 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced May 22, 2026, 12:50 AM EDT
Withdrawn Phase 4 Interventional
View directory record Official record
Conditions
CDI
Interventions
Vancomycin 125 MG po BID
Drug
Lead sponsor
Creighton University
Other
Eligibility
65 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Alanyl-glutamine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced May 22, 2026, 12:50 AM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Disease, C. Diff. Infections
Interventions
Bezlotoxumab
Biological
Lead sponsor
David Binion, MD
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced May 22, 2026, 12:50 AM EDT