GEneRating Mucosal Immunity After INfluenzA Infection and Vaccination in Lung and Lymphoid TissuE

ConditionInfluenza
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-55
SponsorImperial College London

About this trial

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 criteria

Qualifiers

Adults aged between 18-55 years inclusive

Sero-suitable as defined by a serum micro-neutralisation titre <1:20

Female participant who is not of child-bearing potential as assessed by an investigator OR is willing and able to use contraception as described in the protocol

Male participants who are willing to use one of the contraception methods described in the protocol

Disqualifiers

History of clinically significant/currently active conditions;

Cardiovascular, thromboembolic/cerebrovascular disease.

Types of chronic respiratory disease in adulthood.

Significant wheeze in the past

Trial design

Treatments tested in this trial

  • FLUENZ
  • Influenza challenge virus

Treatment groups

36 Participants
are divided into 2 treatment groups

Sponsors and collaborators

Imperial College London

Lead sponsor

Imperial College Healthcare NHS Trust

Collaborator