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Inactivated Split Influenza Vaccine — Competitive Intelligence Brief

Inactivated Split Influenza Vaccine (Inactivated Split Influenza Vaccine) competitive landscape: 2 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Inactivated split influenza vaccine. Area: Immunology.

phase 3 Inactivated split influenza vaccine Immunology Biologic Live · refreshed every 30 min

Target snapshot

Inactivated Split Influenza Vaccine (Inactivated Split Influenza Vaccine) — St. Petersburg Research Institute of Vaccines and Sera. This inactivated split influenza vaccine stimulates the immune system to produce antibodies and cellular immunity against influenza virus strains by presenting viral antigens without infectious virus.

Comparator set (2 drugs)

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

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Inactivated Split Influenza Vaccine TARGET Inactivated Split Influenza Vaccine St. Petersburg Research Institute of Vaccines and Sera phase 3 Inactivated split influenza vaccine
Quadrivalent Influenza Virus Split Vaccine Quadrivalent Influenza Virus Split Vaccine Shanghai Institute Of Biological Products marketed Inactivated split influenza vaccine
Influenza split vaccine Influenza split vaccine Hualan Biological Engineering, Inc. phase 3 Inactivated split 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 (Inactivated split influenza vaccine class)

  1. Hualan Biological Engineering, Inc. · 1 drug in this class
  2. Shanghai Institute Of Biological Products · 1 drug in this class
  3. St. Petersburg Research Institute of Vaccines and Sera · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Inactivated Split Influenza Vaccine — Competitive Intelligence Brief. https://druglandscape.com/ci/inactivated-split-influenza-vaccine. Accessed 2026-05-16.

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