A/H1N1 Immunogenicity and Safety in Adults
An Open Label Phase 1/2 Study to Assess Immunogenicity and Safety of Different Dose Levels of H1N1 Pandemic Influenza Vaccine in Healthy Adults Aged 18 Years and Older
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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Graz, Austria, 8010
- Sanatorium Leech
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Vienna, Austria, 1090
- ClinPharm International GmbH
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Vienna, Austria, 1090
- Medical University of Vienna, Institute for Specific Prophylaxis and Tropical Medicine
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Vienna, Austria, 1090
- University Hospital, Department of Clinical Pharmacology
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Mainz, Germany, 55116
- Praxis Regner Schmitt
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subject is 18 to 59 years old (age stratum A) or 60 years of age or older (age stratum B) at the time of screening
- Subject has an understanding of the study, agrees to its provisions, and gives written informed consent prior to study entry
- Subject is generally healthy, as determined by the investigator's clinical judgment through collection of medical history and the performance of a physical examination
- Subject is physically and mentally capable of participating in the study and willing to adhere to study procedures to include completion of all elements of the study diary
- If female of childbearing potential, subject has a negative urine pregnancy test result within 24 hours prior to the scheduled first vaccination and agrees to employ adequate birth control measures for the duration of the study
Exclusion Criteria:
- Subject has participated in another clinical study involving an investigational drug, biological product or device within 30 days prior to study enrollment or is scheduled to participate in another clinical study involving an investigational drug, biological or device during the course of this study
- Subject has a history of exposure to A/H1N1/California/07/2009 virus or a history of vaccination with A/H1N1/California/07/2009 antigen or a closely related influenza virus antigen
- Subject has inherited or acquired immune deficiency
- Subject currently has or has a recent history of significant neurological, cardiovascular or pulmonary (including asthma), hepatic, metabolic, rheumatic, autoimmune, hematological or renal disorder
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Cohort 1/Dose Level A
Subjects in Cohort 1 will be randomized 1:1 to receive two vaccinations of Dose A or Dose B of H1N1 pandemic influenza vaccine at a 21-day interval.
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Two injections at a 21-day interval (Days 1 and 22)
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Experimental: Cohort 1/Dose B
Subjects in Cohort 1 will be randomized 1:1 to receive two vaccinations of Dose A or Dose B of H1N1 pandemic influenza vaccine at a 21-day interval.
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Two injections at a 21-day interval (Days 1 and 22)
|
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Experimental: Cohort 2/Dose C
A second cohort may be enrolled with all subjects in this cohort receiving two vaccinations of Dose C of H1N1 pandemic influenza vaccine at a 21-day interval.
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Two injections at a 21-day interval (Days 1 and 22)
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Number of subjects achieving antibody levels to A/H1N1/California/07/2009 virus that meet the definition of seroprotection and seroconversion at 21 days after the second vaccination
Time Frame: 42 days
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42 days
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Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Study Director: Gerald Aichinger, MD, Baxter Healthcare Corporation
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 820902
- EUDRACT Number 2009-013394-17
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