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Post-marketing Surveillance Study for the Safety of Efluelda® Pre-filled Syringe
Sponsor: Sanofi
Summary
To objective of this study is to investigate the incidence of adverse events (AEs) and adverse drug reactions (ADRs) occurred following administration of Efluelda® in adults aged 65 years or older under routine clinical practice, as per approved indications This is an open-label, multi-center, observational active safety surveillance study, designed to be conducted under standard healthcare setting of the Republic of Korea, in accordance with "Regulation on the Operation of Risk Management Plans". The study duration of each participation will be approximately 28 to 35 days. In the event that Visit 2 is not made, the study duration would be extended to 36 to 42 days.
Official title: Post-marketing Surveillance Study for the Safety of Efluelda® Pre-filled Syringe, a High-dose Trivalent Influenza Vaccine Administered to Adults 65 Years or Older in the Republic of Korea
Key Details
Gender
All
Age Range
65 Years - Any
Study Type
OBSERVATIONAL
Enrollment
670
Start Date
2026-10-01
Completion Date
2029-03-20
Last Updated
2026-03-31
Healthy Volunteers
Yes
Conditions
Interventions
Efluelda® Pre-filled syringe
Pharmaceutical Form: Suspension for injection in a pre-filled syringe Route of Administration: Intramuscular administration