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C. difficile toxoid vaccine

Phase 1

Clostridium Infections | Monoclonal antibody | Infectious Disease |Sanofi|Last Updated: Apr 11, 2012

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment48

FDA Designations

No designations recorded

Clinical trial landscape

C. difficile toxoid vaccine · 1 trial · 1 indication

Phase 1 1
NCT00214461Safety, Tolerability, and Immunogenicity of a Clostridium Difficile Toxoid Vaccine in Healthy Elderly VolunteersClostridium Infections
COMPLETED48 Analytics
PHASE1COMPLETED
Safety, Tolerability, and Immunogenicity of a Clostridium Difficile Toxoid Vaccine in Healthy Elderly Volunteers
Clostridium InfectionsUnlock trial analytics

Study Endpoints

Primary Endpoints

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 Achieving Seroconversion of Serum Immunoglobulin G (IgG) After Vaccination With Either a Formulation of C. Difficile Toxoid Vaccine or a Placebo Vaccine.
Day up to Day 236 post first vaccination
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Placebo Vaccine GroupPLACEBO_COMPARATORParticipants will receive a dose of vaccine diluent (placebo) on Days 0, 28 and 56, respectively.
Low Dose Vaccine GroupEXPERIMENTALParticipants will receive a dose of vaccine containing of 2 µg Clostridium Difficile toxoid on Days 0, 28 and 56, respectively.
Medium dose vaccine groupEXPERIMENTALParticipants will receive a dose of vaccine containing of 10 µg Clostridium Difficile toxoid on Days 0, 28 and 56, respectively.
High dose vaccine groupEXPERIMENTALParticipants will receive a dose of vaccine containing of 50 µg Clostridium Difficile toxoid on Days 0, 28 and 56, respectively.

Interventions

NameTypeDescription
Vaccine diluent buffer (Placebo)BIOLOGICAL0.5 mL, Intramuscular on Day 0, Day 28, and Day 56, respectively.
C. difficile toxoid vaccine (2 µg)BIOLOGICAL0.5 mL, Intramuscular on Day 0, Day 28, and Day 56, respectively.
C. difficile toxoid vaccine (10 µg)BIOLOGICAL0.5 mL, Intramuscular on Day 0, Day 28 and Day 56, respectively.
C. difficile toxoid vaccine (50 µg)BIOLOGICAL0.5 mL, Intramuscular on Day 0, Day 28, and Day 56, respectively.
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Eligibility Criteria

Age Range65 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: * Adult males or females, \> or = 65 years * In good general health * Clinical lab tests within normal range * Females must be post-menopausal * Able and willing to participate for duration of study and must not participate in any other experimental study for at least 60 days af...

Countries:United States
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Frequently asked questions about C. difficile toxoid vaccine

What is C. difficile toxoid vaccine used for?

C. difficile toxoid vaccine is an investigational vaccine being developed for the prevention of Clostridium infections, specifically infections caused by Clostridium difficile. It is designed to generate an immune response against the toxins produced by the bacteria. The vaccine is currently in Phase 1 clinical development and is not yet approved for use.

Who makes C. difficile toxoid vaccine?

C. difficile toxoid vaccine is being developed by Sanofi, a multinational pharmaceutical company listed on the stock exchange under the ticker SNY. The company is conducting clinical trials to evaluate the safety and immunogenicity of the vaccine in healthy elderly volunteers.

What phase is C. difficile toxoid vaccine in?

C. difficile toxoid vaccine is in Phase 1 clinical development. A Phase 1 trial has been completed, which assessed the safety, tolerability, and immunogenicity of the vaccine in healthy elderly volunteers. The vaccine is investigational and has not received regulatory approval.

What clinical trials is C. difficile toxoid vaccine in?

C. difficile toxoid vaccine has one completed clinical trial registered under NCT00214461. This Phase 1 study evaluated the safety, tolerability, and immunogenicity of the vaccine in healthy elderly volunteers aged 65 years and older in the United States. The trial enrolled 48 participants and was randomized, double-blind, and placebo-controlled.

Is C. difficile toxoid vaccine the same as a monoclonal antibody?

No, C. difficile toxoid vaccine is not a monoclonal antibody. Although the drug is classified under the modality of monoclonal antibody in some databases, it is actually a vaccine designed to stimulate the immune system to produce antibodies against Clostridium difficile toxins. The vaccine is administered to prevent infection, rather than as a therapeutic antibody.