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Clinical trial

Post-marketing Surveillance Study for the Safety of Efluelda Tetra Pre-filled Syringe, a High-dose Quadrivalent Influenza Vaccine Administered to Adults 65 Years or Older in the Republic of Korea.

NCT06694025 is registered in ClinicalTrials.gov with Sanofi as lead sponsor.

NCT NCT06694025
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Registry record

As filed in ClinicalTrials.gov.

Title
Post-marketing Surveillance Study for the Safety of Efluelda Tetra Pre-filled Syringe, a High-dose Quadrivalent Influenza Vaccine Administered to Adults 65 Years or Older in the Republic of Korea.
Lead sponsor
Sanofi
Phase
Observational
Overall status
Not yet recruiting
Start date
October 1, 2026
Completion date
January 31, 2028
Enrollment
670 (estimated)
Sites
1

Conditions

As the registry lists them; a condition with its own page is linked.

immunization, influenza (healthy volunteers)