Who are V503's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Comirnaty, Prevnar 20, Rotavirus Vaccine (ROTARIX), adjuvanted trivalent influenza vaccine, VN, Variant-adapted BNT162b2 (Omicron XBB.1.5) 10 microgram dose.

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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 2026-05-14 · How we verify

V503 — Competitive Intelligence Brief

V503 (V503) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: vaccine. Area: Infectious Diseases.

phase 3 vaccine Infectious Diseases Biologic Live · refreshed every 30 min

Target snapshot

V503 (V503) — Merck Sharp & Dohme LLC. V503 is a vaccine designed to prevent human papillomavirus (HPV) infection.

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	Approval / PDUFA
V503 TARGET	V503	Merck Sharp & Dohme LLC	phase 3	vaccine
Comirnaty	BNT162b2 (tozinameran)	Pfizer Inc.	marketed	vaccine	SARS-CoV-2 virus	2021-08-23
Prevnar 20	pneumococcal 20-valent conjugate vaccine (PCV20)	Pfizer Inc.	marketed	Pneumococcal conjugate vaccine	Streptococcus pneumoniae capsular polysaccharides (20 serotypes)	2021-06-08
Rotavirus Vaccine (ROTARIX)	Rotavirus Vaccine (ROTARIX)	International Centre for Diarrhoeal Disease Research, Bangladesh	marketed	Live attenuated vaccine
adjuvanted trivalent influenza vaccine	adjuvanted trivalent influenza vaccine	Insight Therapeutics, LLC	marketed	vaccine
VN	VN	Biomedical Advanced Research and Development Authority	marketed	live, attenuated vaccine
Variant-adapted BNT162b2 (Omicron XBB.1.5) 10 microgram dose	variant-adapted-bnt162b2-omicron-xbb-1-5-10-microgram-dose	Pfizer	marketed	mRNA vaccine	SARS-CoV-2 spike protein

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)

2033-06-01 — Prevnar 20 · US 8,895,024 · Composition of matter · US
2035-06-01 — Prevnar 20 · US 10,279,033 · Method of use · US

Sponsor landscape (vaccine class)

Pfizer · 20 drugs in this class
Sanofi Pasteur, a Sanofi Company · 20 drugs in this class
GlaxoSmithKline · 12 drugs in this class
Merck Sharp & Dohme LLC · 12 drugs in this class
Centers for Disease Control and Prevention · 9 drugs in this class
Zhejiang Provincial Center for Disease Control and Prevention · 7 drugs in this class
Jiangsu Province Centers for Disease Control and Prevention · 6 drugs in this class
Beijing Center for Disease Control and Prevention · 6 drugs in this class
International Centre for Diarrhoeal Disease Research, Bangladesh · 5 drugs in this class
Sinovac Biotech Co., Ltd · 4 drugs in this class

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Cite this brief

Drug Landscape (2026). V503 — Competitive Intelligence Brief. https://druglandscape.com/ci/v503. Accessed 2026-05-14.

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