Healthy Subjects Clinical Trial
Official title:
Randomized, Observer-Blind, Placebo-Controlled Study to Assess the Immunogenicity and Safety of Two Adjuvant Formulations of an Egg-Derived Pandemic Surface Antigen Influenza Vaccine in Healthy Adults Aged ≥18 Years and ≤ 49 Years.
Several combinations of H5N1 antigen concentrations and aluminium-hydroxide adjuvant concentrations will be tested for their safety and capacity to induce a specific immune response.
| Status | Terminated |
| Enrollment | 400 |
| Est. completion date | September 2008 |
| Est. primary completion date | November 2007 |
| Accepts healthy volunteers | Accepts Healthy Volunteers |
| Gender | Both |
| Age group | 18 Years to 49 Years |
| Eligibility |
Inclusion Criteria: - being healthy and = 18 and = 49 years of age - willing and able to give informed consent Exclusion Criteria: - having participated in an influenza H5 vaccine trial in the past - known to be allergic to any constituent of the vaccine - serious adverse reactions to previous (influenza) vaccination - currently participating in another clinical trial or having participated in any clinical trial in the month preceding the start of the study - using medication that influences the immune system |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Prevention
| Country | Name | City | State |
|---|---|---|---|
| Finland | Site 21 | Helsinki | |
| Finland | Site 22 | Tampere | |
| Finland | Site 23 | Turku | |
| Germany | Site 12 | Goch | |
| Germany | Site 10 | Hamburg | |
| Germany | Site 11 | Nürnberg |
| Lead Sponsor | Collaborator |
|---|---|
| Solvay Pharmaceuticals |
Finland, Germany,
| Type | Measure | Description | Time frame | Safety issue |
|---|---|---|---|---|
| Primary | Hemagglutination inhibition titers | one year | No | |
| Secondary | CHMP criteria | one year | No | |
| Secondary | Virus neutralization | one year | No | |
| Secondary | Anti-HA antibody level kinetics | one year | No | |
| Secondary | Safety | one year | Yes |
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