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Impact of influenza vaccination on nasal resident memory immune responses and respiratory peripheral memory immune responses
EU CTIS ID: 2025-521217-46-00
What this study is testing
To assess the impact of influenza vaccination on resident memory lymphocyte responses in the nasal mucosa and peripheral memory lymphocyte responses with respiratory tropism.
- Therapeutic use (Phase IV)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Having decided to have a flu vaccination
- Having signed the consent form for participation in the study
You likely can't join if
- History of recurrent nosebleeds or systemic haemorrhages
- Accident or surgery that altered the ENT sphere, including the nasal cavity
- On anti-coagulant therapy
- Severe respiratory infection in the last 6 months requiring hospitalisation
- Immunosuppressed or on immunosuppressive therapy
- Persons deprived of their liberty
See the full eligibility criteria
- Having decided to have a flu vaccination
- Having signed the consent form for participation in the study
- History of recurrent nosebleeds or systemic haemorrhages
- Accident or surgery that altered the ENT sphere, including the nasal cavity
- On anti-coagulant therapy
- Severe respiratory infection in the last 6 months requiring hospitalisation
- Immunosuppressed or on immunosuppressive therapy
- Persons deprived of their liberty
- Persons under guardianship or curatorship
- Having received a vaccination in the last 30 days
- Pregnant or breast-feeding women
The study team makes the final eligibility decision.
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18-64 years, 65+ years. The study team makes the final eligibility decision.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.