Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 2:06 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Terminated Phase 4 Interventional Results available

Optimal Treatment for Recurrent Clostridium Difficile

NCT02667418
Conditions
Clostridium, Difficile, Fidaxomicin, Vancomycin
Interventions
Fidaxomicin, Vancomycin with Taper/Pulse, Vancomycin
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
32
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 28 more
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
Completed Phase 4 Interventional Results available

Impact of Oral Antibiotic Treatment on C. Difficile

NCT02057198
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
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
Conditions
Clostridium Difficile, Spinal Cord Injury
Interventions
Fidaxomicin 200 mg, Placebo, Vancomycin
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Houston, Texas
Conditions
Clostridium Difficile Infection
Interventions
Vancomycin, Fidaxomicin
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Hartford, Connecticut
Conditions
Clostridium Difficile Infection (CDI)
Interventions
Fidaxomicin
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Pharmacokinetics of Fidaxomicin, Healthy Subjects
Interventions
Fidaxomicin, Placebo
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
20 Years to 55 Years · Male only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Glendale, California
Conditions
Clostridium Difficile-associated Diarrhea (CDAD)
Interventions
Fidaxomicin oral suspension, Fidaxomicin tablets, Vancomycin oral liquid, Vancomycin capsules
Drug
Lead sponsor
Astellas Pharma Europe B.V.
Industry
Eligibility
Up to 17 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
14
States / cities
Orange, California • Chicago, Illinois • Indianapolis, Indiana + 11 more
Conditions
Clostridium Difficile Infection
Interventions
Ridinilazole, Fidaxomicin
Drug
Lead sponsor
Summit Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
5
States / cities
Laguna Hills, California • Ventura, California • Idaho Falls, Idaho + 2 more
Conditions
Clostridium Infections, Diarrhea
Interventions
PAR-101/OPT-80, Vancomycin
Drug
Lead sponsor
Optimer Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
16 Years and older
Enrollment
535 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
53
States / cities
Gadsden, Alabama • Phoenix, Arizona • Hot Springs, Arkansas + 50 more
Conditions
Clostridium Difficile Infection
Interventions
Fidaxomicin, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
St Louis, Missouri