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RECRUITING
NCT07282795

Post-marketing Surveillance Study for the Safety of Efluelda® Pre-filled Syringe

Sponsor: Sanofi

View on ClinicalTrials.gov

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

2026-09-17

Completion Date

2029-03-20

Last Updated

2026-10-20

Healthy Volunteers

Yes

Interventions

BIOLOGICAL

Efluelda® Pre-filled syringe

Pharmaceutical Form: Suspension for injection in a pre-filled syringe Route of Administration: Intramuscular administration

Locations (15)

Kintex Dream Internal Medicine Clinic

Goyang-si, Gyeonggi-do, South Korea

Kim's gutease internal medicine

Gunpo, Gyeonggi-do, South Korea

House ENT clinic

Busan, South Korea

Yoon Jae Woong Neurosurgery Clinic

Busan, South Korea

Centum Family Medicine Clinic

Busan, South Korea

Dr. Jang's Family Medicine Clinic

Daegu, South Korea

Jeon Junha Internal Medicine

Daegu, South Korea

Daol Union Clinic

Daegu, South Korea

Sae Seongmo Clinic

Incheon, South Korea

Cheongna Healthy Internal Medicine Clinic

Incheon, South Korea

Yul otolaryngology

Incheon, South Korea

Hangang Internal Medicine Clinic

Seoul, South Korea

Kim Mijin Medical Clinic

Seoul, South Korea

YK Family Medicine clinic

Seoul, South Korea

Hallym University Sacred Kangnam Hospital

Seoul, South Korea