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Meningococcal Diphtheria Toxoid Vaccine

Sanofi Pasteur, a Sanofi Company · Phase 3 active Biologic

Meningococcal Diphtheria Toxoid Vaccine is a Conjugate vaccine Biologic drug developed by Sanofi Pasteur, a Sanofi Company. It is currently in Phase 3 development for Prevention of meningococcal disease caused by Neisseria meningitidis. Also known as: Menactra®.

This vaccine stimulates the immune system to produce antibodies against meningococcal polysaccharide antigens conjugated to diphtheria toxoid, providing protection against meningococcal disease.

This vaccine stimulates the immune system to produce antibodies against meningococcal polysaccharide antigens conjugated to diphtheria toxoid, providing protection against meningococcal disease. Used for Prevention of meningococcal disease caused by Neisseria meningitidis.

At a glance

Generic nameMeningococcal Diphtheria Toxoid Vaccine
Also known asMenactra®
SponsorSanofi Pasteur, a Sanofi Company
Drug classConjugate vaccine
TargetMeningococcal capsular polysaccharide antigens
ModalityBiologic
Therapeutic areaImmunology / Infectious Disease
PhasePhase 3

Mechanism of action

The vaccine uses a conjugate approach in which meningococcal capsular polysaccharides are chemically linked to diphtheria toxoid as a carrier protein. This conjugation enhances the immunogenicity of the polysaccharide antigens and promotes a robust T-cell dependent immune response, resulting in durable antibody production and immunological memory against Neisseria meningitidis.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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Frequently asked questions about Meningococcal Diphtheria Toxoid Vaccine

What is Meningococcal Diphtheria Toxoid Vaccine?

Meningococcal Diphtheria Toxoid Vaccine is a Conjugate vaccine drug developed by Sanofi Pasteur, a Sanofi Company, indicated for Prevention of meningococcal disease caused by Neisseria meningitidis.

How does Meningococcal Diphtheria Toxoid Vaccine work?

This vaccine stimulates the immune system to produce antibodies against meningococcal polysaccharide antigens conjugated to diphtheria toxoid, providing protection against meningococcal disease.

What is Meningococcal Diphtheria Toxoid Vaccine used for?

Meningococcal Diphtheria Toxoid Vaccine is indicated for Prevention of meningococcal disease caused by Neisseria meningitidis.

Who makes Meningococcal Diphtheria Toxoid Vaccine?

Meningococcal Diphtheria Toxoid Vaccine is developed by Sanofi Pasteur, a Sanofi Company (see full Sanofi Pasteur, a Sanofi Company pipeline at /company/sanofi).

Is Meningococcal Diphtheria Toxoid Vaccine also known as anything else?

Meningococcal Diphtheria Toxoid Vaccine is also known as Menactra®.

What drug class is Meningococcal Diphtheria Toxoid Vaccine in?

Meningococcal Diphtheria Toxoid Vaccine belongs to the Conjugate vaccine class. See all Conjugate vaccine drugs at /class/conjugate-vaccine.

What development phase is Meningococcal Diphtheria Toxoid Vaccine in?

Meningococcal Diphtheria Toxoid Vaccine is in Phase 3.

What are the side effects of Meningococcal Diphtheria Toxoid Vaccine?

Common side effects of Meningococcal Diphtheria Toxoid Vaccine include Injection site pain or erythema, Fever, Myalgia, Headache.

What does Meningococcal Diphtheria Toxoid Vaccine target?

Meningococcal Diphtheria Toxoid Vaccine targets Meningococcal capsular polysaccharide antigens and is a Conjugate vaccine.

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