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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:36 AM EDT

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Showing 25–48 of 217 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Difficile Clear all
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of VP20621 for Prevention of Recurrent Clostridium Difficile Infection

NCT01259726
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
VP20621, Placebo
Biological · Other
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
42
States / cities
Modesto, California • Palm Desert, California • Sacramento, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Oct 21, 2026, 6:36 AM EDT
Not listed Phase 2 Interventional

Gut Microbiota Changes After Fecal Microbiota Transplantation

NCT02557685
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Oct 21, 2026, 6:36 AM EDT
Terminated Not applicable Interventional

Optimal Surgical Treatment Of Fulminant Clostridium Difficile Colitis

NCT01441271
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
Ileal diversion and lavage, total abdominal colectomy
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2015 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Phase 4 Interventional

Bezlotoxumab (BEZLO) In Addition To Standard Of Care (SOC) Vancomycin For The Treatment of Multi-Recurrent Clostridium Difficile Infection

NCT03880539
View directory record Official record
Conditions
Clostridium Difficile Infection Recurrence
Interventions
bezlotoxumab, Vancomycin Oral
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Phase 2 Interventional Results available

Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection

NCT02299570
View directory record Official record
Conditions
Enterocolitis Clostridium Difficile Recurrent
Interventions
RBX2660 (microbiota suspension), Placebo
Biological · Other
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
19
States / cities
Phoenix, Arizona • Aurora, Colorado • Jacksonville, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2021 · Synced Oct 21, 2026, 6:36 AM EDT
Completed No phase listed Observational

Protocol for Admission Toxigenic C. Difficile Surveillance

NCT04014608
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Standard Practice to Prevent Hospital Onset CDI
Other
Lead sponsor
Endeavor Health
Other
Eligibility
Up to 1 Year
Enrollment
148,549 participants
Timeline
2016 – 2018
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 21, 2026, 6:36 AM EDT
Completed No phase listed Observational

FQ Restriction for the Prevention of CDI

NCT03848689
View directory record Official record
Conditions
Clostridium Difficile, Clostridium Difficile Infection, C Difficile Colitis
Interventions
fluoroquinolone preprescription authorization, Control
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Not listed
Enrollment
5,871 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
7
States / cities
Phoenix, Arizona • Moreno Valley, California • Rochester, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Not applicable Interventional Results available

Pharmacokinetics and Safety of Tigecycline in the Treatment of Clostridium Difficile Associated Diarrhea (CDAD)

NCT01401023
View directory record Official record
Conditions
Diarrhea, Clostridium Difficile
Interventions
Tigecycline
Drug
Lead sponsor
Gary E. Stein, Pharm.D.
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
East Lansing, Michigan • Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Not applicable Interventional

Effectiveness of Enhanced Terminal Room Disinfection to Prevent Healthcare-associated Infections (HAIs)

NCT01579370
View directory record Official record
Conditions
Multidrug Resistant Organisms, Healthcare Associated Infections
Interventions
Quaternary ammonium, Bleach, Quaternary ammonium and UV-C light, Bleach and UV-C light
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
21,395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
9
States / cities
Burlington, North Carolina • Chapel Hill, North Carolina • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2015 · Synced Oct 21, 2026, 6:36 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Fecal Transplant for Relapsing C. Difficile Infection

NCT01703494
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Fecal Microbiota Transplantation, Sham Fecal Microbiota Transplantation
Biological
Lead sponsor
Colleen Kelly
Other
Eligibility
18 Years to 75 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
2
States / cities
The Bronx, New York • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Not applicable Interventional Results available

High- Fiber/ Low-fat Diet for Prevention of Recurrent Clostridioides Difficile Infection in Oncology

NCT04940468
View directory record Official record
Conditions
Leukemia, Lymphocytic, Acute, Leukemia, Myeloid, Acute, Lymphoma, Clostridium Difficile Infection, Solid Cancers
Interventions
Diet Intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 21, 2026, 6:36 AM EDT
Completed No phase listed Observational

Fecal Microbiota Transplantation (FMT) in Clostridium Difficile Infection (CDI) Not Responding to Antibiotics

NCT03117582
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 28, 2022 · Synced Oct 21, 2026, 6:36 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Comparison of Cadazolid Versus Vancomycin in Children With Clostridium Difficile-associated Diarrhea (CDAD)

NCT03105479
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Cadazolid, Vancomycin capsule, Vancomycin solution
Drug
Lead sponsor
Actelion
Industry
Eligibility
Up to 18 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Idaho Falls, Idaho • Chicago, Illinois • Shreveport, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Phase 1 Interventional

Fresh Versus Frozen Stool for Fecal Transplant in Children

NCT02423967
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Transplant uses frozen anonymous stool, Transplant uses fresh familial stool
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
1 Year to 18 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Oct 21, 2026, 6:36 AM EDT
Terminated Phase 2 Interventional Results available

Penn Microbiome Therapy for Recurrent Clostridium Difficile Infection

NCT03973697
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection
Interventions
Penn Microbiome Therapy - 001, Penn Microbiome Therapy - 002, Penn Microbiome Therapy - 003
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Not applicable Interventional Results available

Enteral Nutrition as Stress Ulcer Prophylaxis in Critically Ill Patients.

NCT01477320
View directory record Official record
Conditions
Gastrointestinal Hemorrhage, Clostridium Difficile Colitis
Interventions
Pantoprazole 40 mg IV daily and tube feed., Placebo and tube feed
Drug · Other
Lead sponsor
Mohamed Saad
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Oct 21, 2026, 6:36 AM EDT
Completed No phase listed Observational Results available

Molecular Epidemiology of Clostridium Difficile Infections in Children

NCT01957761
View directory record Official record
Conditions
Clostridium Difficile Infections
Interventions
Not listed
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
1 Year to 18 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2016 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Not applicable Interventional Results available

Validation of the GenePOC CDiff Assay for the Detection of the Toxin B Gene From Toxigenic Clostridium Difficile Strains

NCT02968758
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Comparison between GenePOC PCR and Reference Method
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
Not listed
Enrollment
2,461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
5
States / cities
Indianapolis, Indiana • Baltimore, Maryland • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Phase 2 Interventional Results available

Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection

NCT02589847
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
RBX2660, Standard of Care Antibiotics
Biological · Drug
Lead sponsor
Rebiotix Inc.
Industry
Eligibility
18 Years and older
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
28
States / cities
Phoenix, Arizona • North Little Rock, Arkansas • Sacramento, California + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 21, 2026, 6:36 AM EDT
Completed No phase listed Observational

Fecal Bacterial Flora in Clostridium Difficile-Associated Diarrhea

NCT00304876
View directory record Official record
Conditions
Enterocolitis, Pseudomembranous Colitis, Antibiotic-Associated Colitis
Interventions
Not listed
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Baltimore, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2010 · Synced Oct 21, 2026, 6:36 AM EDT
Recruiting Not applicable Interventional

Lifestyle and Recurrent Clostridioides Difficile Infection (CDI)

NCT07613645
View directory record Official record
Conditions
Clostridioides Difficile Infection
Interventions
Health counseling sessions, Diet (control diet), Diet (experimental diet)
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 21, 2026, 6:36 AM EDT
Terminated Phase 2 Interventional Results available

Fecal Microbiota Transplantation for C. Difficile Infection in Solid Organ Transplant Recipients

NCT03617445
View directory record Official record
Conditions
Clostridium Difficile Infection Recurrence
Interventions
FMT oral capsule, Oral Vancomycin, FMT oral placebo, Oral Vancomycin placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Chicago, Illinois • Indianapolis, Indiana • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Oct 21, 2026, 6:36 AM EDT
Completed No phase listed Observational

Mucosal Versus Fecal Microbiota in FMT

NCT02133651
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2015 · Synced Oct 21, 2026, 6:36 AM EDT
Completed Phase 3 Interventional Results available

Comparison of Ridinilazole Versus Vancomycin Treatment for Clostridium Difficile Infection

NCT03595553
View directory record Official record
Conditions
Clostridioides Difficile Infection
Interventions
Ridinilazole, Vancomycin
Drug
Lead sponsor
Summit Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
759 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
49
States / cities
Birmingham, Alabama • Sun City, Arizona • Los Angeles, California + 45 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 21, 2026, 6:36 AM EDT