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COMPLETED
NCT02401893
Factors Associated With Maintenance of Antibody Responses to Influenza Vaccine in Older, Community-Dwelling Adults
Sponsor: Vanderbilt University
View on ClinicalTrials.gov
Summary
Little is known about factors associated with maintenance of hemagglutinin inhibition (HAI) antibodies after influenza vaccination in older adults so the investigators enrolled adults ≥50 years.
Key Details
Gender
All
Age Range
50 Years - Any
Study Type
OBSERVATIONAL
Enrollment
510
Start Date
2009-09
Completion Date
2014-01
Last Updated
2026-06-01
Healthy Volunteers
Yes
Conditions
Interventions
BIOLOGICAL
Influenza Vaccine
Everyone immunized as recommended by current guidelines