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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Clostridia Difficile Colitis Clear all
Not listed Phase 4 Interventional

Clostridial Infection and Oral Lavage -Improving Treatment Before Illness Becomes Severe

NCT01630096
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
Nu-Lytely
Drug
Lead sponsor
Ascension Health
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Grand Blanc, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 16, 2012 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy of Multiple Daily Dosing of Oral LFF571 in Patients With Moderate Clostridium Difficile Infections

NCT01232595
View directory record Official record
Conditions
Moderate Clostridium Difficile Infection
Interventions
LFF571, Vancomycin (POC)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
14
States / cities
Palm Desert, California • Bristol, Connecticut • Clearwater, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 2 Interventional Results available

ICON-2: FMT and Bezlotoxumab Compared to FMT and Placebo for Patients With IBD and CDI

NCT03829475
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Clostridium Difficile Infection
Interventions
Bezlotoxumab, Placebo, Fecal Microbiota Transplantation
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 2 Interventional

A Study of GT160-246 Versus Vancomycin in Patients With Clostridium Difficile-Associated Diarrhea

NCT00034294
View directory record Official record
Conditions
Clostridium Difficile-Associated Diarrhea, Clostridium Enterocolitis, Clostridium Difficile Diarrhea, Antibiotic-associated Colitis, Antibiotic-associated Diarrhea
Interventions
GT160-246
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
58
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2015 · Synced Sep 25, 2026, 9:10 AM EDT
Withdrawn Not applicable Interventional

Extended Treatment With Vancomycin for Clostridium Difficile Colitis

NCT00861887
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
Standard Vancomycin, Extended Vancomycin
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 13, 2016 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational

Association Between Response to Treatment of C. Diff Colitis and Anti-C.Diff Toxin Antibody

NCT00304408
View directory record Official record
Conditions
Clostridium Enterocolitis, Pseudomembranous Colitis, Antibiotic-Associated Colitis
Interventions
Not listed
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2010 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 3 Interventional

A Study of GT267-004 Versus Vancomycin and GT267-004 Versus Metronidazole in Patients With C.Difficile - Associated Diarrhea

NCT00106509
View directory record Official record
Conditions
Clostridium Enterocolitis, Pseudomembranous Colitis
Interventions
tolevamer potassium-sodium (GT267-004)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
99
States / cities
Phoenix, Arizona • Rogers, Arkansas • Burbank, California + 81 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2015 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 3 Interventional Results available

Compassionate Use of Nitazoxanide for the Treatment of Clostridium Difficile Infection

NCT00304356
View directory record Official record
Conditions
Clostridium Enterocolitis, Pseudomembranous Colitis
Interventions
Nitazoxanide
Drug
Lead sponsor
Daniel M. Musher MD
Federal
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2017 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Early Phase 1 Interventional

Fecal Microbial Transplantation for C. Difficile and/or Ulcerative Colitis or Indeterminate Colitis

NCT03268213
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 Sep 25, 2026, 9:10 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study of Different Formulations of a Clostridium Difficile Toxoid Vaccine Given at Three Different Schedules in Adults

NCT01230957
View directory record Official record
Conditions
Clostridium Difficile Infection, Diarrhea
Interventions
Clostridium difficile toxoids A and B (Low-dose with adjuvant), Clostridium difficile toxoids A and B (Low-dose without adjuvant), Clostridium difficile toxoids A and B (high-dose with adjuvant), Clostridium difficile toxoids A and B (high-dose without adjuvant), Placebo: 0.9% normal saline
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
40 Years to 75 Years
Enrollment
650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
30
States / cities
Redding, California • Bristol, Connecticut • Stamford, Connecticut + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Host Immune Response to Clostridium Difficile Infection in Inflammatory Bowel Disease Patients

NCT01813500
View directory record Official record
Conditions
Crohn's Disease, Ulcerative Colitis, Clostridium Difficile, Inflammatory Bowel Disease
Interventions
Blood and stool sample
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 25, 2026, 9:10 AM EDT
Not yet recruiting Phase 4 Interventional

Use of Fidaxomicin Compared to Vancomycin for Decolonization of C. Difficile in Patients With Inflammatory Bowel Disease

NCT06794944
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD), Clostridioides Difficile Infection
Interventions
Vancomycin (POC), Fidaxomicin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 2 Interventional

Study of Nitazoxanide in the Treatment of Clostridium Difficile Colitis

NCT00417872
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Nitazoxanide, Metronidazole
Drug
Lead sponsor
Romark Laboratories L.C.
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
7
States / cities
St. Petersburg, Florida • Marietta, Georgia • Columbus, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2007 · Synced Sep 25, 2026, 9:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Fecal Microbiota Therapy for Recurrent Clostridium Difficile Colitis

NCT01973465
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Stool
Biological
Lead sponsor
OSF Healthcare System
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 3 Interventional Results available

Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection (PUNCH CD3-OLS)

NCT03931941
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 Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pathogenic Mechanisms in C Diff Infection and Colitis

NCT01930032
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 Sep 25, 2026, 9:10 AM EDT
Terminated Phase 4 Interventional Results available

Prevention of Recurrent Clostridium Difficile Infection (CDI) in Patients With Inflammatory Bowel Disease (IBD).

NCT04626947
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 Sep 25, 2026, 9:10 AM EDT
Terminated Phase 4 Interventional Results available

Comparing the Effectiveness of IV Bezlotoxumab Versus Placebo in Decreasing Morbidity and Mortality in Patients With Fulminant C. Diff Requiring Surgery.

NCT03756454
View directory record Official record
Conditions
Clostridia Difficile Colitis, Clostridium; Sepsis
Interventions
Bezlotoxumab, Normal Saline
Biological · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational

A Multi-Site Clinical Evaluation of the ARIES Clostridium Difficile Assay in Symptomatic Patients

NCT02497417
View directory record Official record
Conditions
Gastroenteritis, Infectious Colitis
Interventions
Not listed
Lead sponsor
Luminex Corporation
Industry
Eligibility
Not listed
Enrollment
1,021 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
4
States / cities
Tampa, Florida • Indianapolis, Indiana • Albuquerque, New Mexico + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2017 · Synced Sep 25, 2026, 9:10 AM EDT
Terminated No phase listed Observational

Small Bowel Transit Time in Clostridium Difficile Colitis

NCT01309750
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
Small Bowel Transit Study
Radiation
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 24, 2017 · Synced Sep 25, 2026, 9:10 AM EDT
Withdrawn Phase 4 Interventional

Use of Bismuth Subsalicylate in Clostridium Difficile Colitis

NCT03592082
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Bismuth Subsalicylate, standard antibiotic therapy
Drug
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Cooperstown, New York
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Sep 25, 2026, 9:10 AM EDT
Completed Phase 4 Interventional Results available

C. Difficile and Ursodiol

NCT02748616
View directory record Official record
Conditions
Diarrhea
Interventions
Ursodiol
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Sep 25, 2026, 9:10 AM EDT
Completed No phase listed Observational

Serum Vancomycin Levels in Patients Receiving Enteral Vancomycin

NCT00617227
View directory record Official record
Conditions
Clostridium Difficle Colitis, Clostridium Difficle Associated Disease
Interventions
Not listed
Lead sponsor
Maimonides Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2010 · Synced Sep 25, 2026, 9:10 AM 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 26, 2017 · Synced Sep 25, 2026, 9:10 AM EDT