Study of Immune Responses to Influenza Vaccination

Recruiting now · Phase 4

Conditions studied: Influenza Vaccination

In brief

Better understanding of the immune responses to influenza vaccination is needed in order to understand situations of poor vaccine response. Adults will receive influenza vaccination and then have peripheral blood drawn at pre-defined intervals in order to study the lymphocyte responses.

Key facts

Study ID

NCT03346772

Run by

University of Pennsylvania

People needed

75

Starts

2017-10-20

Expected to finish

2026-07-01

Last updated by the study team

2025-08-19

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Community-dwelling adults able to provide consent who need influenza vaccination for standard of care

You may not qualify if…

• febrile illness at time of vaccination
• active malignancy
• use of immunosuppressing medications
• blood donation in the past 60 days
• influenza vaccinated during the preceding 6 months
• allergic reactions to influenza vaccination

Where it is running

• University of Pennsylvania — Philadelphia, Pennsylvania, United States (enrolling)

Full record on ClinicalTrials.gov

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