Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 23, 2026, 8:16 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: Difficile Clear all
Recruiting Not applicable Interventional

Pre-emptive Prevention for Patients at High Risk for Hospital-onset Clostridioides Difficile

NCT05389904
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 Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational

Real-world Evaluation of Bezlotoxumab for the Management of Clostridioides Difficile Infection

NCT04317963
View directory record Official record
Conditions
Clostridium Difficile Infection, Clostridium Difficile Infection Recurrence
Interventions
Bezlotoxumab, Standard CDI treatment
Biological · Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Jul 23, 2026, 8:16 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 Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational

REBYOTA™ Prospective Registry

NCT05835219
View directory record Official record
Conditions
Recurrence of Clostridium Difficile Infection
Interventions
REBYOTA™
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
42
States / cities
Chandler, Arizona • Chula Vista, California • Murrieta, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Terminated Phase 1 Interventional

Probiotics in the Reduction of Antibiotic Associated Diarrhea

NCT02589964
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Florajen-3, Placebo
Dietary Supplement · Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years to 120 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Jul 23, 2026, 8:16 AM EDT
Recruiting Phase 1 Interventional

Intestinal Microbiota Transplantation in Patients Undergoing Colon Resection

NCT06370884
View directory record Official record
Conditions
Recurrent Clostridioides Difficile Infection, Colonic Surgery
Interventions
IMT
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 4 Interventional Results available

A Comparison of Fidaxomicin and Vancomycin in Patients With CDI Receiving Antibiotics for Concurrent Infections

NCT02692651
View directory record Official record
Conditions
Clostridium Difficile Infection (CDI)
Interventions
Fidaxomicin, Vancomycin
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Ann Arbor, Michigan • Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Jul 23, 2026, 8:16 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 Mar 2, 2023 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 1 Interventional

Fecal Microbiota Transplant for Relapsing Clostridium Difficile Infection in Adults and Children Using a Frozen Encapsulated Inoculum

NCT01914731
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplant
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2016 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 1 Interventional

Sentinel Cohort REACT

NCT05780801
View directory record Official record
Conditions
Multi-Drug Resistant Organism
Interventions
Allogeneic Microbiota in Glycerol (10%) (AMG)
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Jul 23, 2026, 8:16 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 Jul 23, 2026, 8:16 AM EDT
Recruiting Phase 2 Interventional

Alanyl-glutamine Supplementation for C. Difficile Treatment (ACT)

NCT04305769
View directory record Official record
Conditions
Clostridioides Difficile Infection, Clostridium Difficile Infection, Clostridium Difficile Diarrhea, Clostridia Difficile Colitis
Interventions
Alanyl-glutamine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 105 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Charlottesville, Virginia • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of Oral Vancomycin Prophylaxis for Prevention of Recurrent Clostridium Difficile Infection

NCT03462459
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection, Clostridium Difficile Infection, CDI, C.Difficile Diarrhea, C. Diff Colitis, C.Difficile Colitis
Interventions
Vancomycin, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Jul 23, 2026, 8:16 AM EDT
Recruiting Not applicable Interventional

Fecal Microbiota Transplantation for C Diff Infection

NCT01905709
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Human fecal matter
Biological
Lead sponsor
Englewood Hospital and Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Englewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 12, 2025 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 1 Interventional

Fecal Microbiota Transplant (FMT) for Relapsing C. Difficile Infection in Adults and Children Using a Frozen Inoculum

NCT01704937
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplant (FMT)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 19, 2014 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 4 Interventional

Oral Vancomycin to Prevent Recurrent C Difficile Infection With Antibiotics

NCT03466502
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 Jul 23, 2026, 8:16 AM EDT
Completed Phase 4 Interventional Results available

Impact of Oral Antibiotic Treatment on C. Difficile

NCT02057198
View directory record Official record
Conditions
C. Difficile, Diarrhea, Enterocolitis
Interventions
Fidaxomicin, Metronidazole, Vancomycin
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational

Fecal Microbiota Transplant for Recurrent Clostridium Difficile Infection

NCT02326636
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbial Transplantation
Biological
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 100 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 4 Interventional

Probiotics to Prevent Severe Pneumonia and Endotracheal Colonization Trial

NCT02462590
View directory record Official record
Conditions
Ventilator Associated Pneumonia, Infections, C-Difficile, Antibiotic-associated Diarrhea, Diarrhea
Interventions
L. rhamnosus GG - Probiotic, Placebo - Microcrystalline Cellulose
Drug
Lead sponsor
McMaster University
Other
Eligibility
18 Years and older
Enrollment
2,650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
2
States / cities
Rochester, Minnesota • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Jul 23, 2026, 8:16 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 25, 2021 · Synced Jul 23, 2026, 8:16 AM 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 16, 2025 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Early FMT for C.Difficile

NCT02465463
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Fecal microbiota transplant (FMT), flexible sigmoidoscopy
Procedure · Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 79 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Jul 23, 2026, 8:16 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 Jul 23, 2026, 8:16 AM EDT
Recruiting Phase 3 Interventional

VE303 for Prevention of Recurrent Clostridioides Difficile Infection

NCT06237452
View directory record Official record
Conditions
Clostridium Difficile, Clostridium Difficile Infections, Clostridium Difficile Infection Recurrence, Clostridioides Difficile Infection, Clostridioides Difficile Infection Recurrence, CDI, C. Diff Infection, Recurrent Clostridium Difficile Infection, C.Difficile Diarrhea, Diarrhea Infectious
Interventions
VE303, Placebo
Biological
Lead sponsor
Vedanta Biosciences, Inc.
Industry
Eligibility
12 Years and older
Enrollment
852 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
84
States / cities
Huntsville, Alabama • Chandler, Arizona • Phoenix, Arizona + 73 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 23, 2026, 8:16 AM EDT