Who are Influenza vaccine GSK2321138A's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Comirnaty, Prevnar 20, Meningococcal Polysaccharide Diphtheria Toxoid Conjugate, HEPATITIS B SURFACE ANTIGEN, Hepatitis B Vaccine, fIPV (0.2mL) IM.

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Last reviewed 2026-05-17 · How we verify

Influenza vaccine GSK2321138A — Competitive Intelligence Brief

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Influenza vaccine GSK2321138A (Influenza vaccine GSK2321138A) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: vaccine. Area: Immunology.

phase 3 vaccine Immunology Biologic Live · refreshed every 30 min

Target snapshot

Influenza vaccine GSK2321138A (Influenza vaccine GSK2321138A) — GlaxoSmithKline. GSK2321138A is a recombinant influenza vaccine designed to stimulate immune responses against influenza virus antigens.

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
Influenza vaccine GSK2321138A TARGET	Influenza vaccine GSK2321138A	GlaxoSmithKline	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
Meningococcal Polysaccharide Diphtheria Toxoid Conjugate	Meningococcal Polysaccharide Diphtheria Toxoid Conjugate	Sanofi Pasteur, a Sanofi Company	marketed	Conjugate vaccine	Neisseria meningitidis polysaccharide capsule
HEPATITIS B SURFACE ANTIGEN	HEPATITIS B SURFACE ANTIGEN	Central Hospital, Nancy, France	marketed	vaccine	Hepatitis B surface antigen (HBsAg)
Hepatitis B Vaccine	Hepatitis B Vaccine	Murdoch Childrens Research Institute	marketed	vaccine	Hepatitis B surface antigen (HBsAg)
fIPV (0.2mL) IM	fIPV (0.2mL) IM	Centers for Disease Control and Prevention	marketed	Inactivated viral vaccine

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). Influenza vaccine GSK2321138A — Competitive Intelligence Brief. https://druglandscape.com/ci/influenza-vaccine-gsk2321138a. Accessed 2026-05-17.

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