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Annual trial for registration influenza vaccine with the strain composition for season 2008/2009
Full description
At enrolment, subjects were stratified into two age strata (18 to 60 years, over 60 years). Total duration of the study is three weeks. Vaccinations were to be administered on day 1. Blood samples were collected at day 1 (baseline, before the vaccination) and at day 22 (three weeks after the vaccination). Sera were tested by Hemagglutination Inhibition (HI) assay. Safety was assessed until 3 weeks after the vaccination.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
≥ 18 years of age, mentally competent, willing and able to give informed consent prior to study entry
available for all the visits scheduled in the study and able to comply with all study requirements
in good health as determined by:
Exclusion criteria
Any serious (in the judgment of the investigator) disease including, but not limited to:
History of any anaphylactic reaction and/or serious allergic reaction following a vaccination, a proven hypersensitivity to any component of the study vaccine (e.g. to ovalbumin, chicken protein, chicken feathers, influenza viral protein, neomycin, polymixin)
Known or suspected (or have a high risk of developing) impairment/alteration of immune function (excluding that normally associated with advanced age) resulting for example from:
Known or suspected history of drug or alcohol abuse.
The subject has a bleeding diathesis or condition associated with prolonged bleeding time that in the investigator's opinion would interfere with the safety of the subject
Women who are pregnant or woman of child-bearing potential unwilling to practice acceptable contraception for the duration of the study (21 days).
Influenza vaccination or laboratory confirmed influenza within the last 6 months and more than one influenza vaccination within the past 12 months
Within the past 4 weeks, the subject has received:
Any acute or chronic infection requiring systemic antibiotic treatment or antiviral therapy within the last 7 days.
The subject has experienced an acute exacerbation of a COPD within the past 14 days
The subject has experienced fever (i.e. axillary temperature ³ 38.0°C) within the last 3 days
Severely obese with Body Mass Index (BMI) > 35 kg/m2
Any condition, which, in the opinion of the investigator, might prevent the subject from participation or interfere with the evaluation of the study objectives.
Primary purpose
Allocation
Interventional model
Masking
143 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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