Status:

COMPLETED

Characterizing Late-season Influenza Vaccine Responses to Compare the 2023 and 2024 Vaccine Formulations

Lead Sponsor:

La Jolla Institute for Immunology

Conditions:

Influenza A

Eligibility:

All Genders

18-64 years

Phase:

PHASE4

Brief Summary

Every 1-2 years, the seasonal influenza vaccine composition changes to include updated viruses, yet the precise effects of updating the vaccine remain understudied. Since the vaccine formulation for e...

Eligibility Criteria

Inclusion

  • Be between 18-64 years of age
  • Males or non-pregnant, non-nursing females
  • Weigh at least 85 pounds for whole blood draw
  • Ability to provide signed informed consent
  • Subjects must plan to receive the intramuscular influenza vaccine at the La Jolla Institute for Immunology

Exclusion

  • Received an influenza vaccine in the past year
  • Infection with human immunodeficiency virus, hepatitis B virus, or hepatitis C virus
  • History of certain anemias
  • Presence of significant cardiovascular disease, systemic diseases including, but not limited to, diabetes which is not controlled, renal disease, liver disease, malignancy, infection, or blood clotting disorder
  • Inability to provide informed consent
  • Recent whole blood donation within 56 days or leukapheresis within 112 days
  • Children (under 18 years of age), elderly (65 years of age or older), pregnant or nursing females
  • Individuals with egg allergies
  • Has ever had Guillain-Barré syndrome

Key Trial Info

Start Date :

May 21 2024

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 6 2025

Estimated Enrollment :

23 Patients enrolled

Trial Details

Trial ID

NCT06567860

Start Date

May 21 2024

End Date

February 6 2025

Last Update

September 5 2025

Active Locations (1)

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La Jolla Institute for Immunology

La Jolla, California, United States, 92037