Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Fidaxomicin”

29 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 29 results

Testing effectiveness (Phase 2)Study completedNCT02784002
What this trial is testing

Ridinilazole (SMT19969) Compared With Fidaxomicin for the Treatment of Clostridium Difficile Infection (CDI)

Who this might be right for
Clostridium Difficile Infection
Summit Therapeutics 27
Not applicableWithdrawnNCT04070352
What this trial is testing

Evaluation of Fidaxomicin in the Treatment of Clostridium Difficile Infection (CDI)

Who this might be right for
Clostridium Difficile Infection (CDI)
University of Pittsburgh
Large-scale testing (Phase 3)Study completedNCT00314951
What this trial is testing

Fidaxomicin Versus Vancomycin for the Treatment of Clostridium Difficile-Associated Diarrhea (CDAD) (MK-5119-018)

Who this might be right for
Clostridium InfectionsDiarrhea
Optimer Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) 629
Not applicableEnded earlyNCT01533844
What this trial is testing

To Determine the Feasibility of a Fidaxomicin Study in Neonates and to Assess C. Difficile (Clostridium Difficile) Involvement in the Pathogenesis

Who this might be right for
Clostridium Difficile
Astellas Pharma Europe B.V. 1
Post-approval studies (Phase 4)Study completedNCT02692651
What this trial is testing

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

Who this might be right for
Clostridium Difficile Infection (CDI)
University of Michigan 144
Large-scale testing (Phase 3)Study completedNCT02179658
What this trial is testing

Compare Safety and Efficacy of OPT-80(Fidaxomicin) With Vancomycin in Subjects With Clostridium Difficile-associated Diarrhea (CDAD)

Who this might be right for
Clostridium Difficile
Astellas Pharma Inc 210
Post-approval studies (Phase 4)Study completedNCT02437591
What this trial is testing

Study to Evaluate the Pharmacokinetics of Fidaxomicin in Inflammatory Bowel Disease (IBD) Subjects With Clostridium Difficile Infection (CDI)

Who this might be right for
Inflammatory Bowel Disease (IBD)Clostridium Difficile Infection (CDI)
Astellas Pharma Europe Ltd. 25
Early research (Phase 1)Study completedNCT02083627
What this trial is testing

Assess the Effects of Multiple Doses of Fidaxomicin on a Single Dose of Rosuvastatin in Healthy Male Subjects

Who this might be right for
Drug-Drug Interaction (DDI)Intestinal AbsorptionHealthy Subjects+2 more
Astellas Pharma Europe B.V. 25
Testing effectiveness (Phase 2)Study completedNCT01591863
What this trial is testing

Safety, Tolerability, and Pharmacokinetics of Fidaxomicin in Pediatric Subjects With Clostridium Difficile-associated Diarrhea (CDAD)

Who this might be right for
Clostridium Difficile-associated Diarrhea
Optimer Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) 38
Large-scale testing (Phase 3)Study completedNCT00468728
What this trial is testing

PAR-101/OPT-80 Versus Vancomycin for the Treatment of Clostridium Difficile-Associated Diarrhea (CDAD)

Who this might be right for
Clostridium InfectionsDiarrhea
Optimer Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) 535
Post-approval studies (Phase 4)Study completedNCT02057198
What this trial is testing

Impact of Oral Antibiotic Treatment on C. Difficile

Who this might be right for
C. DifficileDiarrheaEnterocolitis
Duke University 33
Early research (Phase 1)Study completedNCT01813448
What this trial is testing

Assess the Safety, Tolerability and Pharmacokinetics of Single and Multiple Ascending Doses of Fidaxomicin in Healthy Male Japanese and Caucasian Subjects

Who this might be right for
Pharmacokinetics of FidaxomicinHealthy Subjects
Astellas Pharma Global Development, Inc. 36
Not applicableNot Yet RecruitingNCT07120490
What this trial is testing

STOP-CDI: Efficacy of Fecal Microbiota Transplantation vs Fidaxomicin vs Vancomycin in Treating and Preventing Relapse of Clostridioides Difficile Infection

Who this might be right for
Clostridioides Difficile InfectionClostridioides Difficile Infection RecurrenceFecal Microbiota Transplantation (FMT)+3 more
Medical University of Warsaw 424
Post-approval studies (Phase 4)Study completedNCT02254967
What this trial is testing

A Phase IIIB/IV Study to Compare the Efficacy of Vancomycin Therapy to Extended Duration of Fidaxomicin Therapy in the Clinical Cure of Clostridium Difficile Infection (CDI) in an Older Population

Who this might be right for
Clostridium Difficile
Astellas Pharma Europe Ltd. 364
Large-scale testing (Phase 3)Study completedNCT02218372
What this trial is testing

Investigate the Safety and Efficacy of Fidaxomicin (Oral Suspension or Tablets) and Vancomycin (Oral Liquid or Capsules) in Pediatric Subjects With Clostridium Difficile-associated Diarrhea (CDAD)

Who this might be right for
Clostridium Difficile-associated Diarrhea (CDAD)
Astellas Pharma Europe B.V. 148
Post-approval studies (Phase 4)WithdrawnNCT01552668
What this trial is testing

Fidaxomicin to Prevent Clostridium Difficile Colonization

Who this might be right for
Clostridium Difficile Infection
Washington University School of Medicine
Large-scale testing (Phase 3)Looking for participantsNCT05266807
What this trial is testing

Fecal Microbiota Transplantation in Clostridioides Difficile Infection First Episode and First Recurrence

Who this might be right for
Clostridioides Difficile Infection
Benoit Guery 100
Post-approval studies (Phase 4)Ended earlyNCT02355938
What this trial is testing

Use Of Oral Fidaxomicin Vs. Oral Vancomycin For Clostridium Difficile Infection In Patients With Spinal Cord Injury

Who this might be right for
Clostridium DifficileSpinal Cord Injury
Baylor College of Medicine 12
Post-approval studies (Phase 4)Study completedNCT01818141
What this trial is testing

Study to Assess Inhibition of Spore Production in Patients With C. Difficile Infections: Fidaxomicin Versus Vancomycin

Who this might be right for
Clostridium Difficile Infection
Hartford Hospital 34
Large-scale testing (Phase 3)Ended earlyNCT02395848
What this trial is testing

Efficacy of 30-day Duration of Fidaxomicin for Recurrent C. Difficile Infection

Who this might be right for
Clostridium Difficile Infection
McMaster University 31
Next Page