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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Clostridium Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immune Response and Safety Comparison of 3 Lots of GSK Biologicals' DTaP-IPV Candidate Vaccine to DTaP + IPV Vaccines

NCT00148941
View directory record Official record
Conditions
Tetanus, Acellular Pertussis, Diphtheria
Interventions
SB213503 lot 1, SB213503 lot 2, SB213503 lot 3, Infanrix, IPOL, M-M-R II
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
4 Years to 6 Years
Enrollment
4,209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
24
States / cities
Little Rock, Arkansas • Antioch, California • Daly City, California + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Jul 23, 2026, 11:05 AM EDT
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 Jul 23, 2026, 11:05 AM EDT
Terminated Not applicable Interventional

To Evaluate the Impact of SBI on C. Difficile in Hospitalized UC Patients

NCT02730325
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Serum-derived bovine immunoglobulin/protein isolate (SBI), Placebo
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
3
States / cities
Miami, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 17, 2021 · Synced Jul 23, 2026, 11:05 AM EDT
Terminated Phase 4 Interventional Results available

Optimal Treatment for Recurrent Clostridium Difficile

NCT02667418
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 23, 2026, 11:05 AM EDT
Active, not recruiting Phase 1 Interventional

CBM588 in Improving Clinical Outcomes in Patients Who Have Undergone Donor Hematopoietic Stem Cell Transplant

NCT03922035
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm
Interventions
Best Practice, Clostridium butyricum CBM 588 Probiotic Strain
Other · Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jul 23, 2026, 11:05 AM EDT
Completed No phase listed Observational

Vancomycin vs. Nitazoxanide to Treat Recurrent C. Difficile Colitis

NCT00304889
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
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 4 Interventional

Santyl Applications to Diabetic Foot Ulcers

NCT02111291
View directory record Official record
Conditions
Diabetic Foot Ulcers, Diabetic Foot Wounds
Interventions
Collagenase SANTYL® Ointment, Hydrogel (if needed) and foam dressing
Biological
Lead sponsor
Healthpoint
Industry
Eligibility
18 Years and older
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
22
States / cities
Mesa, Arizona • Carlsbad, California • Castro Valley, California + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effectiveness of Splinting After Collagenase Injection

NCT04874870
View directory record Official record
Conditions
Dupuytren Contracture, Dupuytren's Disease
Interventions
Collagenase Clostridium Histolyticum 0.9 MG [Xiaflex], Xiaflex + Hand-Based Custom Orthosis
Drug · Combination Product
Lead sponsor
Foundation for Orthopaedic Research and Education
Other
Eligibility
18 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 1 Interventional

Injection With OnabotulinumtoxinA (Botox) for the Treatment of Chronic Pelvic Pain

NCT02173405
View directory record Official record
Conditions
Myofascial Pain Syndromes, Myofascial Trigger Point Pain, Trigger Point Pain, Myofascial
Interventions
OnabotulinumtoxinA, Placebo
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
3
States / cities
Cleveland, Ohio • Mayfield Heights, Ohio • Westlake, Ohio
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Pentavalent DTaP-Hep B-IPV

NCT00133445
View directory record Official record
Conditions
Diphtheria, Hepatitis B, Poliomyelitis, Pertussis, Tetanus
Interventions
DTaP-Hep B-IPV Vaccine, Monovalent Hep B Vaccine, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 5 Days
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2011 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Menactra® in US Adolescents When Administered Concomitantly With Tdap Vaccine

NCT00777257
View directory record Official record
Conditions
Meningitis, Meningococcemia, Pertussis, Tetanus, Diphtheria
Interventions
T dap + Meningococcal Polysaccharide Diphtheria Toxoid Conj., Tdap + Meningococcal Polysaccharide Diphtheria Toxoid Conj., Meningococcal Polysaccharide Diphtheria Toxoid Conj. + T dap
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
11 Years to 17 Years
Enrollment
1,345 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
20
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Boulder, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Post-licensure, Modified Double-blind, Multi-center Study Evaluating Safety and Immunogenicity of ADACEL® and BOOSTRIX®

NCT00319553
View directory record Official record
Conditions
Pertussis, Tetanus, Diphtheria
Interventions
ADACEL®:Tetanus, Reduced Diphtheria and Acellular Pertussis Adsorbed, BOOSTRIX®: Tetanus, Reduced Diphtheria and Acellular Pertussis Adsorbed
Biological
Lead sponsor
Sanofi
Industry
Eligibility
11 Years to 18 Years
Enrollment
647 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
10
States / cities
Annapolis, Maryland • Baltimore, Maryland • Frederick, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Efficacy of Two Tetanus-Diphtheria Vaccines for a Donor Hyper Immunization Program

NCT02673255
View directory record Official record
Conditions
Healthy
Interventions
Tetanus and Diphtheria (Td) Vaccine
Biological
Lead sponsor
Biomat USA, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
4
States / cities
Bellflower, California • Lincoln, Nebraska • Clarksville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2021 · Synced Jul 23, 2026, 11:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Investigate A Clostridium Difficile Vaccine In Healthy Adults Aged 50 To 85 Years, Who Will Each Receive 3 Doses Of Vaccine.

NCT02052726
View directory record Official record
Conditions
Clostridium Difficile
Interventions
C. difficile vaccine with adjuvant, placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 85 Years
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
6
States / cities
Overland Park, Kansas • Cary, North Carolina • Raleigh, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2018 · Synced Jul 23, 2026, 11:05 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, 11:05 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 Jul 23, 2026, 11:05 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, 11:05 AM EDT
Completed Not applicable Interventional

Study of Human Botulism Immunoglobulin in Infants With Botulism

NCT00004401
View directory record Official record
Conditions
Infant Botulism, Botulism
Interventions
botulism immune globulin
Drug
Lead sponsor
California Department of Health Services
Other
Eligibility
Up to 1 Year
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2015 · Synced Jul 23, 2026, 11:05 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, 11:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity Study of Investigational Recombinant Botulinum Vaccine A/B (rBV A/B) in Volunteers Previously Immunized With Investigational Pentavalent Botulinum Toxoid

NCT01701999
View directory record Official record
Conditions
Botulism
Interventions
rBV A/B
Biological
Lead sponsor
California Department of Public Health
Other
Eligibility
18 Years to 69 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Richmond, California • West Jefferson, Ohio
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Jul 23, 2026, 11:05 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, 11:05 AM EDT
Withdrawn Not applicable Interventional

Focused Shock Wave Therapy Outcomes in Peyronie's Disease and Erectile Dysfunction

NCT05646602
View directory record Official record
Conditions
Peyronie Disease, Penile Curvature, Erectile Dysfunction
Interventions
Collagenase Clostridium Histolyticum, Duolith SD1 T-TOP
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Jul 23, 2026, 11:05 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, 11:05 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, 11:05 AM EDT