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
2 other identifiers
interventional
408
2 countries
5
Brief Summary
The purpose of the study is to obtain immunogenicity and safety data at different dose levels of an investigational H1N1 pandemic influenza vaccine in healthy adults 18 years of age and older.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Aug 2009
Shorter than P25 for phase_1
5 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2009
CompletedFirst Submitted
Initial submission to the registry
August 13, 2009
CompletedFirst Posted
Study publicly available on registry
August 14, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2010
CompletedOctober 9, 2015
July 1, 2010
3 months
August 13, 2009
October 7, 2015
Conditions
Outcome Measures
Primary Outcomes (1)
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
42 days
Study Arms (3)
Cohort 1/Dose Level A
EXPERIMENTALSubjects 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.
Cohort 1/Dose B
EXPERIMENTALSubjects 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.
Cohort 2/Dose C
EXPERIMENTALA 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.
Interventions
Two injections at a 21-day interval (Days 1 and 22)
Eligibility Criteria
You may qualify if:
- 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
You may not qualify if:
- 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
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (5)
Sanatorium Leech
Graz, 8010, Austria
ClinPharm International GmbH
Vienna, 1090, Austria
Medical University of Vienna, Institute for Specific Prophylaxis and Tropical Medicine
Vienna, 1090, Austria
University Hospital, Department of Clinical Pharmacology
Vienna, 1090, Austria
Praxis Regner Schmitt
Mainz, 55116, Germany
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Gerald Aichinger, MD
Baxter Healthcare Corporation
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
August 13, 2009
First Posted
August 14, 2009
Study Start
August 1, 2009
Primary Completion
November 1, 2009
Study Completion
April 1, 2010
Last Updated
October 9, 2015
Record last verified: 2010-07