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Flublok® Quadrivalent Influenza Virus Vaccine — Competitive Intelligence Brief

Flublok® Quadrivalent Influenza Virus Vaccine (Flublok® Quadrivalent Influenza Virus Vaccine) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Influenza vaccine. Area: Immunology / Infectious Disease.

phase 3 Influenza vaccine Influenza hemagglutinin (HA) antigen Immunology / Infectious Disease Biologic Live · refreshed every 30 min

Target snapshot

Flublok® Quadrivalent Influenza Virus Vaccine (Flublok® Quadrivalent Influenza Virus Vaccine) — Protein Sciences Corporation. Flublok stimulates the immune system to produce antibodies against four strains of influenza virus by presenting recombinant hemagglutinin antigens.

Comparator set (6 drugs)

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

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Flublok® Quadrivalent Influenza Virus Vaccine TARGET Flublok® Quadrivalent Influenza Virus Vaccine Protein Sciences Corporation phase 3 Influenza vaccine Influenza hemagglutinin (HA) antigen
Anti-H1N1v Vaccine Anti-H1N1v Vaccine Institut National de la Santé Et de la Recherche Médicale, France marketed Inactivated influenza vaccine H1N1 influenza virus hemagglutinin and neuraminidase antigens
CSL Influenza Vaccine CSL Influenza Vaccine Seqirus marketed inactivated influenza vaccine
H5N1 vaccine (Arepanrix) H5N1 vaccine (Arepanrix) Canadian Immunization Research Network marketed inactivated split-virion influenza vaccine with adjuvant
Hualan TIV Hualan TIV Sanofi marketed Inactivated influenza vaccine
Influenza Fluzone vaccine Influenza Fluzone vaccine La Jolla Institute for Immunology marketed inactivated influenza vaccine
CSL Limited Influenza Virus Vaccine CSL Limited Influenza Virus Vaccine Seqirus marketed inactivated influenza 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)

No upcoming patent expiries for this set.

Sponsor landscape (Influenza vaccine class)

  1. GlaxoSmithKline · 8 drugs in this class
  2. Sanofi Pasteur, a Sanofi Company · 2 drugs in this class
  3. Seqirus · 2 drugs in this class
  4. MedImmune LLC · 1 drug in this class
  5. AstraZeneca · 1 drug in this class
  6. Novartis · 1 drug in this class
  7. Protein Sciences Corporation · 1 drug in this class
  8. ModernaTX, Inc. · 1 drug in this class
  9. Institute of Vaccines and Medical Biologicals, Vietnam · 1 drug in this class
  10. Janssen Vaccines & Prevention B.V. · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Flublok® Quadrivalent Influenza Virus Vaccine — Competitive Intelligence Brief. https://druglandscape.com/ci/flublok-quadrivalent-influenza-virus-vaccine. Accessed 2026-05-17.

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