Cellular and Molecular Characterization of the Immune Response in Healthy NIH Employees atBaseline, and After Immunization With the H1N1 or Seasonal Influenza Vaccines



Status:Completed
Conditions:Healthy Studies, Influenza
Therapuetic Areas:Immunology / Infectious Diseases, Other
Healthy:No
Age Range:18 - Any
Updated:3/7/2019
Start Date:September 18, 2009

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Cellular and Molecular Characterization of the Immune Response in Healthy NIH Employees at Baseline, and After Immunization With the H1N1 or Seasonal Influenza Vaccines

Background:

- Seasonal influenza is a major health problem whose impact is typically reduced by
vaccination. The H1N1 (swine flu) influenza virus is an emerging pathogen that has the
potential to cause devastating illness and even death in the coming months. Currently, there
are limited data on the cellular and molecular immune responses in adult recipients of either
the seasonal or the H1N1 influenza vaccines.

Objectives:

- To obtain blood and nasal wash samples and perform laboratory studies to characterize the
immune response in healthy adult volunteers at baseline and after immunization with the
seasonal or H1N1 influenza vaccines.

Eligibility:

- Adult employees at least 18 years of age of the NIH Clinical Center who are deemed healthy
by a brief medical history and physical examination and routine blood testing.

Design:

- Before the start of the influenza season, volunteers will receive either the seasonal
influenza vaccine or the H1N1 vaccine when it becomes available. If the H1N1 vaccine is
available at the start of the season, volunteers will receive both the seasonal vaccine
and the H1N1 vaccine.

- Blood will be drawn over an 8-week period. Volunteers must not eat anything for 8 hours
prior to the blood draw. The sequence of the blood draws is as follows: 2 weeks before
vaccination; right before vaccination; and 1, 7, 14, 28, and 60 days after vaccination.

- Two to four nasal washings will be collected by a nurse before volunteers receive the
vaccination(s) and 28 days after the vaccination.

- Prevaccine and postvaccine blood and nasal wash samples will be compared to determine
volunteers immune responses.

- Research samples will be stored indefinitely and will be used strictly for laboratory
experiments.

Seasonal influenza is a major health problem whose impact is typically reduced by
vaccination. The H1N1 (swine flu) influenza virus is an emerging pathogen which has the
potential to cause devastating morbidity and mortality in the coming months. In June 2009,
the World Health Organization declared the H1N1 outbreak to be a global pandemic. At present
there are limited data on the cellular and molecular immune responses in adult recipients of
either the seasonal or the H1N1 influenza vaccines.

Therefore, the Center for Human Immunology, Autoimmunity, and Inflammatory Diseases proposes
this protocol designed to obtain blood from healthy adult subjects (NIH employees) prior to
vaccination and then at various time points after receiving the FDA-licensed seasonal and
H1N1 influenza vaccine. These samples will be used to perform a comprehensive and detailed
analysis of the immune system at baseline and in response to vaccination. To our knowledge,
this protocol will be the first study to characterize the human cellular and molecular immune
system parameters, or immunome, in a large number of healthy adults (NIH employees). This
information may be useful in designing newer, more effective vaccines to prevent the spread
of H1N1 influenza.

The primary objective is to perform laboratory studies to characterize the immune response in
healthy adult volunteers at baseline and after immunization with the seasonal or H1N1
influenza vaccines. Primary endpoint is the results of the research laboratory assessments.
As samples will be stored indefinitely, the time frame for primary endpoint is indefinite.

- INCLUSION CRITERIA:

1. NIH employees scheduled to receive the Influenza and H1N1 vaccines through OMS.

2. Health status confirmed by History, Physical Exam and blood work through the CHI
Screening Protocol.

3. Age 18 years and older (no upper limit).

4. Able to comprehend the investigational nature of the protocol and provide
informed consent.

EXCLUSION CRITERIA:

1. Recipient of another vaccine or immune modulating drug within 6 months prior to study
entry.

2. Severe allergies to eggs or their products.

3. Prior severe reactions to vaccines.

4. Participation on any blood collection or blood donation procedure during study
participation.

5. Current pregnancy (women of child bearing potential must have a negative serum
pregnancy test done on screening within 1 week of protocol accrual).
We found this trial at
1
site
9000 Rockville Pike
Bethesda, Maryland 20892
?
mi
from
Bethesda, MD
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