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Senescent Immunity in Elders and Vaccine Responses (SILVER)

Phase 4
Completed
Conditions
Flu Vaccine
Registration Number
NCT04077424
Lead Sponsor
Vanderbilt University Medical Center
Brief Summary

To study the effects of age on the immune system's response to flu vaccine and to study the connection between the immune system and physical and cognitive changes associated with aging.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
10
Inclusion Criteria
  • Age 65 years and over
  • Independent Living (including Assisted Living)
Exclusion Criteria
  • Unable to understand the consent or the study.
  • Allergic to any vaccine components, excluding eggs.
  • History of Guillain-Barre.
  • Residing in a long -term care facility such as a nursing home.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Hemagglutinin Antigen Inhibition Assay Titers at Day 28Day 28 Baseline

2 fold dilution series of serum, and measurement of titer which inhibits hemagglutination.

Titers were measured for each of 4 antigens in the vaccine (A/Brisbane/2018 (H1N1), A/Kansas/2017 (H3N2), B/Colorado/2017 (Vic), B/Phuket/2013 (Yam))

Hemagglutinin Antigen Inhibition Assay Titers at BaselineBaseline Baseline

2 fold dilution series of serum, and measurement of titer which inhibits hemagglutination.

Titers were measured for each of 4 antigens in the vaccine (A/Brisbane/2018 (H1N1), A/Kansas/2017 (H3N2), B/Colorado/2017 (Vic), B/Phuket/2013 (Yam))

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Vanderbilt University Medical Center

🇺🇸

Nashville, Tennessee, United States

Vanderbilt University Medical Center
🇺🇸Nashville, Tennessee, United States

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