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Clostridium difficile vaccine

Phase 3

Clostridium Infections | Vaccine | Infectious Disease |Sanofi|Trials Updated: Sep 14, 2012

Clostridium difficile vaccine development status

Highest phase Phase 3 run by Pfizer (NCT03090191)
Phase scored for SNYPhase 1
Registered trials 6 across 2 sponsors since Aug 2005

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment50

FDA Designations

No designations recorded

Clostridium difficile vaccine clinical trials

Clostridium difficile vaccine · 1 trial · 1 indication

Phase 1 1
NCT00127803Safety, Tolerability, and Immunogenicity Study of a Clostridium Difficile Toxoid Vaccine in Healthy Adult VolunteersClostridium Infections
COMPLETED50 Analytics
PHASE1COMPLETED
Safety, Tolerability, and Immunogenicity Study of a Clostridium Difficile Toxoid Vaccine in Healthy Adult Volunteers
Clostridium InfectionsUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants Reporting Solicited Injection Site Erythema and Tenderness Post-vaccination With Either One of Three Formulations of Clostridium Difficile Vaccines or a Placebo Vaccine.
Day 0 and up to 7 days post each vaccination
Number of Participants Reporting Treatment-Emergent Adverse Events Post-vaccination With Either One of Three Formulations of the Clostridium Difficile Vaccine or a Placebo Vaccine.
Day 0 to up to 70 days post-first vaccination

Secondary Endpoints

Number of Participants With Seroconversion for Toxin A and Toxin B Post-vaccination With Either One of Three Formulations of the Clostridium Difficile Vaccine or a Placebo Vaccine.
Days 28, 56, 70, and 236 Post First Vaccination
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
PlaceboPLACEBO_COMPARATORParticipants will receive a dose of vaccine diluent (placebo) on Days 0, 28, and 56, respectively.
Low dose vaccineEXPERIMENTALParticipants will receive a 2 μg dose of C. difficile toxoid vaccine on Days 0, 28, and 56, respectively.
Medium dose vaccineEXPERIMENTALParticipants will receive a 10 μg dose of C. difficile toxoid vaccine on Days 0, 28, and 56, respectively
High dose vaccineEXPERIMENTALParticipants will receive a 50 μg dose of C. difficile toxoid vaccine on Days 0, 28, and 56, respectively

Interventions

NameTypeDescription
Placebo (vaccine diluent)BIOLOGICAL0.5 mL, intramuscular (IM) on Days 0, 28, and 56, respectively.
Clostridium difficile vaccineBIOLOGICAL0.5 mL, intramuscular on Days 0, 28, and 56, respectively.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes

Inclusion Criteria: * Adult males or females, 18-55 years (inclusive) * In good general health * Clinical lab tests within normal range * Non-pregnant female subjects * Able and willing to participate for duration of study and must not participate in any other experimental study for at least 60 day...

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Frequently asked questions about Clostridium difficile vaccine

What is the Clostridium difficile vaccine?

The Clostridium difficile vaccine is an investigational toxoid vaccine developed by Sanofi for the prevention of Clostridium Infections. It is designed to stimulate an immune response against Clostridium difficile and is being studied in healthy adult volunteers. It remains in clinical development and is not approved for use.

What is the Clostridium difficile vaccine used for?

The Clostridium difficile vaccine is being developed for the prevention of Clostridium Infections, which are caused by the bacterium Clostridium difficile. The vaccine is intended to protect against infection by generating an immune response. It is investigational and has not been approved for any indication.

Who makes the Clostridium difficile vaccine?

The Clostridium difficile vaccine is developed by Sanofi, which trades on the New York Stock Exchange under the ticker SNY. Sanofi is the sponsor of the clinical program evaluating the vaccine in healthy adult volunteers.

What phase is the Clostridium difficile vaccine in?

The Clostridium difficile vaccine is in Phase 1 clinical development. One Phase 1 trial has been completed, and there are no active trials. The vaccine is investigational and has not been approved by the FDA or any regulatory authority.

What clinical trials is the Clostridium difficile vaccine in?

The Clostridium difficile vaccine has been studied in one completed Phase 1 trial, NCT00127803, titled Safety, Tolerability, and Immunogenicity Study of a Clostridium Difficile Toxoid Vaccine in Healthy Adult Volunteers. The trial enrolled 50 healthy adult volunteers aged 18 years and older and was randomized, double-blind, and placebo-controlled.