Study to Evaluate Meningococcal Serogroups A,C,W-135,Y Conjugate Vaccine When Given as 1 Dose to Healthy Subjects Aged 18-25 Years

Study Overview
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Brief Summary
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The purpose of this study is to evaluate the safety, reactogenicity, immunogenicity and persistence up to three years after administration of one dose of the MenACWY conjugate vaccine when given to young adults aged 18-25 years.

Detailed Description
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Administration of the candidate vaccine or of the active control (Mencevax™ ACWY) will be done in an open manner. The study consists of a vaccination phase during which subjects receive one vaccine dose (GSK's MenACWY conjugate vaccine or Mencevax™ ACWY vaccine) and 3 years of follow-up. There are in total 7 visits to the doctor: before and 2, 7 and 30 days after vaccination (vaccination phase) as well as 12, 24 and 36 months after vaccination (follow-up phase). 7 blood samples are taken: one at each visit.

Official Title
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Assess the Safety, Reactogenicity, Immunogenicity & Long-term Persistence of One Intramuscular Dose of GSK Biologicals' MenACWY Conjugate Vaccine vs One Subcutaneous Dose of Mencevax™ ACWY in Healthy Adults Aged 18-25 Yrs

Conditions
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Infections, Meningococcal

Intervention / Treatment
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* Biological: Meningococcal (vaccine)


Participation Criteria
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Eligibility Criteria
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Inclusion criteria: Healthy male or female between, and including, 18 and 25 years of age at the time of vaccination. Written informed consent obtained. Subject with previously completed routine childhood vaccinations to the best of his/her knowledge. Female subjects should be of non-childbearing potential, or abstinent, or using an adequate contraception. Exclusion criteria: Previous vaccination against OR history of OR exposure within previous 12 months to, meningococcal serogroup A, C, W-135 or Y disease. Administration of a tetanus vaccine within 6 months before study vaccination. Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus (HIV) infection. A family history of congenital or hereditary immunodeficiency. History of any neurologic disorders or seizures. Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine within 30 days preceding the first dose of study vaccine, or planned use during the study period. History of chronic alcohol consumption and/or drug abuse

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 25 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)


Arms and Interventions

| Intervention/Treatment |
| --- |
|Biological: Meningococcal (vaccine)|nan|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The occurrence of any grade 3 solicited symptoms within 8 days (day 0-7) following vaccination. |  |  | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Sol (d 0-7, local&general), unsol (d 0-30) symptoms. SAEs. Routine blood & urine examination before, 2&7 d post vacc. % SBA-MenA C W Y responders 1m post vacc. Antibodies to MenA C W Y before, 1, 12, 24&36m post vacc & tetanus before, 1m post vacc |  |  |