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vaccination PNEUMOVAX 23

Walvax Biotechnology Co., Ltd. · Phase 3 active Biologic

PNEUMOVAX 23 is a polysaccharide vaccine that stimulates the immune system to produce antibodies against 23 serotypes of Streptococcus pneumoniae.

PNEUMOVAX 23 is a polysaccharide vaccine that stimulates the immune system to produce antibodies against 23 serotypes of Streptococcus pneumoniae. Used for Prevention of invasive pneumococcal disease in adults and children ≥2 years of age, Prevention of pneumococcal pneumonia, bacteremia, and meningitis.

At a glance

Generic namevaccination PNEUMOVAX 23
SponsorWalvax Biotechnology Co., Ltd.
Drug classPolysaccharide vaccine
TargetStreptococcus pneumoniae capsular polysaccharides (23 serotypes)
ModalityBiologic
Therapeutic areaImmunology / Infectious Disease
PhasePhase 3

Mechanism of action

The vaccine contains purified capsular polysaccharide antigens from 23 different pneumococcal serotypes conjugated or presented to elicit both T-cell and B-cell immune responses. This generates protective antibodies and cellular immunity that prevent invasive pneumococcal disease including pneumonia, bacteremia, and meningitis caused by the included serotypes.

Approved indications

Common side effects

Key clinical trials

Primary sources

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

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