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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01381029
Other study ID # IRB080911
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 2009
Est. completion date August 2014

Study information

Verified date May 2023
Source George Washington University
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Investigators in the Division of Infectious Diseases are carrying out a study to determine if human immunodeficiency virus (HIV)-seropositive patients receiving the Seasonal Influenza vaccination develop an adequate antibody response. The study group will consist of individuals seen in the Infectious Diseases Clinic who are HIV-seropositive and receive the Seasonal Influenza vaccine.


Description:

This is a study to establish the immunologic response in HIV-seropositive individuals to the FDA approved seasonal influenza vaccine when it is available. HIV-seropositive individuals seen in the Infectious Diseases Clinic at George Washington University, Medical Faculty Associates and receive this vaccination, on label, as part of standard of care will be invited to participate. The study will require a 10-ml sample of whole blood to be drawn from each participant prior to the dose of the seasonal influenza vaccine and at 3 weeks after the vaccine dose and at 3 months after the vaccine dose. No additional samples are envisioned. Serum will be separated and will frozen and stored in the Clinical Trials Unit until all patient samples have been obtained. At that time the antibody levels to the vaccine antigens will be measured. Data that will be collected from the subject's medical record includes the following: - Age, gender, race - CD4 count - HIV viral load - History of prior influenza immunization including the 2009-2010 trivalent vaccine - HIV antiviral medication history Data that will be collected from the subject during participation in study - Antibody levels prior to vaccination - Dose date of the seasonal influenza vaccination - Antibody levels 3 weeks after the vaccination


Recruitment information / eligibility

Status Completed
Enrollment 74
Est. completion date August 2014
Est. primary completion date August 2014
Accepts healthy volunteers No
Gender All
Age group 18 Years to 99 Years
Eligibility Inclusion Criteria: - Males or female patients ages 18 or older - Diagnosis of HIV infection - No contraindications to being able to receive influenza vaccine by the treating physician - No acute active illness - Able to provide informed consent Exclusion Criteria: - Previous history of hypersensitivity reaction to influenza vaccine - Unable to return for follow-up blood draw

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States Medical Faculty Associates Washington District of Columbia

Sponsors (1)

Lead Sponsor Collaborator
George Washington University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in antibody levels The primary endpoint will be to measure the change from baseline in vaccine-strain specific antibody levels. Titers of > or = 40 U will be considered protective and a > 4-fold rise in antibody titer will be considered an adequate response in previously antibody-negative patients. Data from this study will assist in defining the efficacy of the influenza vaccine in the HIV-infected population and the ability of HIV-infected patients to generate an appropriate immune response, as well as maintain an appropriate response, to the influenza vaccine. Pre-, 3 weeks post-, 3 months post- vaccine
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