GEneRating Mucosal Immunity After INfluenzA Infection and Vaccination in Lung and Lymphoid TissuE
A Two-arm, Non-randomised, Open-label Experimental Medicine Study to Compare Immune Responses Between Healthy Volunteers Aged 18-55years Receiving Either an Intranasal Live-attenuated Influenza Vaccine or Viral Challenge With GMP Influenza A/Belgium/4217/2015 (H3N2)
Imperial College London
36 participants
Apr 16, 2025
INTERVENTIONAL
Conditions
Summary
This experimental medicine study aims to compare immune responses in healthy adult volunteers aged 18-55 years against influenza vaccination and infection in the upper and lower respiratory tract, following administration of a live-attenuated influenza vaccine delivered by nasal spray versus influenza A (H3N2) viral challenge.
Eligibility
Plain Language Summary
Simplified for easier understanding
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Interventions
LAIV (Intranasal Influenza Vaccine)
Influenza challenge virus (H3N2 strain)
Locations(1)
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NCT06620185