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

Sponsor
National Heart, Lung, and Blood Institute (NHLBI) (NIH)
Overall Status
Completed
CT.gov ID
NCT01191853
Collaborator
(none)
203
1

Study Details

Study Description

Brief Summary

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.

Condition or Disease Intervention/Treatment Phase

    Detailed Description

    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.

    Study Design

    Study Type:
    Observational
    Actual Enrollment :
    203 participants
    Observational Model:
    Cohort
    Time Perspective:
    Prospective
    Official Title:
    Cellular and Molecular Characterization of the Immune Response in Healthy NIH Employees at Baseline, and After Immunization With the H1N1 or Seasonal Influenza Vaccines
    Study Start Date :
    Sep 18, 2009

    Arms and Interventions

    Arm Intervention/Treatment
    Healthy volunteers

    Healthy volunteers will have blood drawn before and after seasonal flu vaccination

    Outcome Measures

    Primary Outcome Measures

    1. Analysis of immune response after vaccine [continuous]

      Immune response to vaccine

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    • 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).

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 National Institutes of Health Clinical Center Bethesda Maryland United States 20892

    Sponsors and Collaborators

    • National Heart, Lung, and Blood Institute (NHLBI)

    Investigators

    • Principal Investigator: Rachel D Sparks, M.D., National Heart, Lung, and Blood Institute (NHLBI)

    Study Documents (Full-Text)

    None provided.

    More Information

    Additional Information:

    Publications

    Responsible Party:
    National Heart, Lung, and Blood Institute (NHLBI)
    ClinicalTrials.gov Identifier:
    NCT01191853
    Other Study ID Numbers:
    • 090239
    • 09-H-0239
    First Posted:
    Aug 31, 2010
    Last Update Posted:
    Aug 9, 2022
    Last Verified:
    Jul 12, 2022
    Studies a U.S. FDA-regulated Drug Product:
    No
    Studies a U.S. FDA-regulated Device Product:
    No
    Keywords provided by National Heart, Lung, and Blood Institute (NHLBI)
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of Aug 9, 2022