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A Phase 3, Randomized, Modified Double-blind, 2-arm Study to Evaluate the Immunogenicity and Safety of High-Dose Inactivated Influenza Vaccine (IIV-HD) Compared With a Standard-dose Inactivated Influenza Vaccine (IIV-SD) in Participants 50 Through 64 Years of Age.

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Trial Profile

A Phase 3, Randomized, Modified Double-blind, 2-arm Study to Evaluate the Immunogenicity and Safety of High-Dose Inactivated Influenza Vaccine (IIV-HD) Compared With a Standard-dose Inactivated Influenza Vaccine (IIV-SD) in Participants 50 Through 64 Years of Age.

Status: Active, no longer recruiting
Phase of Trial: Phase III

Latest Information Update: 21 Feb 2025

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At a glance

  • Drugs Influenza virus vaccine (Primary)
  • Indications Influenza virus infections
  • Focus Pharmacodynamics; Registrational
  • Sponsors Sanofi Pasteur

Most Recent Events

  • 03 Jan 2025 Planned End Date changed from 30 Jul 2025 to 24 Jun 2025.
  • 03 Jan 2025 Status changed from recruiting to active, no longer recruiting.
  • 04 Nov 2024 Status changed from not yet recruiting to recruiting.

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