New study to monitor High-Dose flu shot safety in seniors
NCT ID NCT06694025
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is checking the safety of a high-dose flu vaccine called Efluelda Tetra in adults aged 65 and older in South Korea. About 670 participants will receive one dose and be monitored for side effects for about a month. The goal is to see how often reactions like injection site pain or other health issues happen in everyday medical practice.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Email: •••••@•••••
Locations
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Investigational Site Number : 001
Seoul, Seoul-teukbyeolsi, 07441, South Korea
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