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A Phase 3, Randomized, Observer-Blind, Active-Control Study to Evaluate the Immunogenicity, Reactogenicity, and Safety of mRNA-1083 (SARS-CoV-2 and Influenza) Vaccine in Healthy Adults ≥50 Years of Age

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Trial Profile

A Phase 3, Randomized, Observer-Blind, Active-Control Study to Evaluate the Immunogenicity, Reactogenicity, and Safety of mRNA-1083 (SARS-CoV-2 and Influenza) Vaccine in Healthy Adults ≥50 Years of Age

Status: Completed
Phase of Trial: Phase III

Latest Information Update: 16 Dec 2025

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At a glance

  • Drugs MRNA 1083 (Primary) ; Elasomeran; GSK 2321138A; Influenza A virus vaccine
  • Indications COVID 2019 infections; Influenza virus infections
  • Focus Adverse reactions; Pharmacodynamics; Registrational
  • Sponsors Moderna Therapeutics

Most Recent Events

  • 02 Dec 2025 Actual primary completion date is 17 Nov 2025.
  • 02 Dec 2025 Status changed from active, no longer recruiting to completed.
  • 18 Jun 2025 Status changed from recruiting to active, no longer recruiting.

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