Who are ProDiax-23 (PPSV23)'s main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): PPV23 alone, Pneumococcal polysaccharide vaccine, Typhoid Vi vaccine, Investigational 23-valent PPV, Meningococcal A (control), PPV Vaccine.

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Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-16 · How we verify

ProDiax-23 (PPSV23) — Competitive Intelligence Brief

ProDiax-23 (PPSV23) (ProDiax-23 (PPSV23)) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Polysaccharide vaccine. Area: Immunology / Infectious Disease.

marketed Polysaccharide vaccine Streptococcus pneumoniae capsular polysaccharides (23 serotypes) Immunology / Infectious Disease Small molecule Live · refreshed every 30 min

Target snapshot

ProDiax-23 (PPSV23) (ProDiax-23 (PPSV23)) — Korea University Guro Hospital. PPSV23 is a pneumococcal polysaccharide vaccine that stimulates the immune system to produce antibodies against 23 serotypes of Streptococcus pneumoniae.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target
ProDiax-23 (PPSV23) TARGET	ProDiax-23 (PPSV23)	Korea University Guro Hospital	marketed	Polysaccharide vaccine	Streptococcus pneumoniae capsular polysaccharides (23 serotypes)
PPV23 alone	PPV23 alone	Korea University Guro Hospital	marketed	Polysaccharide vaccine	Streptococcus pneumoniae capsular polysaccharides (23 serotypes)
Pneumococcal polysaccharide vaccine	Pneumococcal polysaccharide vaccine	Celgene	marketed	Polysaccharide vaccine	Streptococcus pneumoniae capsular polysaccharides (23 serotypes)
Typhoid Vi vaccine	Typhoid Vi vaccine	International Vaccine Institute	marketed	polysaccharide vaccine	Salmonella typhi Vi polysaccharide capsular antigen
Investigational 23-valent PPV	Investigational 23-valent PPV	Sinovac Biotech Co., Ltd	marketed	Pneumococcal polysaccharide vaccine	Streptococcus pneumoniae capsular polysaccharides (23 serotypes)
Meningococcal A (control)	Meningococcal A (control)	International Vaccine Institute	marketed	polysaccharide vaccine	Neisseria meningitidis serogroup A capsular polysaccharide
PPV Vaccine	PPV Vaccine	Fakultas Kedokteran Universitas Indonesia	marketed	Polysaccharide vaccine	Streptococcus pneumoniae capsular polysaccharides

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Polysaccharide vaccine class)

Korea University Guro Hospital · 2 drugs in this class
Celgene · 1 drug in this class
Fakultas Kedokteran Universitas Indonesia · 1 drug in this class
Hoffmann-La Roche · 1 drug in this class
Hualan Biological Engineering, Inc. · 1 drug in this class
Merck Sharp & Dohme LLC · 1 drug in this class
University Hospital, Montpellier · 1 drug in this class
University of Minnesota · 1 drug in this class
Astellas Pharma Inc · 1 drug in this class
Walvax Biotechnology Co., Ltd. · 1 drug in this class

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Cite this brief

Drug Landscape (2026). ProDiax-23 (PPSV23) — Competitive Intelligence Brief. https://druglandscape.com/ci/prodiax-23-ppsv23. Accessed 2026-05-16.

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