Prevention of Meningococcal Infection Clinical Trial
Official title:
A Phase IV, Single Centre, Open-label Study to Evaluate the Persistence of Antibodies in Adolescents 14-16 Years of Age, Vaccinated With Chiron Meningococcal C Conjugate Vaccine During the 1999-2001 UK MenCC Immunization Campaign, at One Year After Either a Challenge Dose of Aventis Pasteur MSD Meningococcal A/C Polysaccharide Vaccine or a Booster Dose of MenC Vaccine, in Parallel to Subjects Aged 11-20 Evaluated at 4 Years After Vaccination During the 1999-2001 UK MenCC Immunization Campaign
Persistence of Immune response after vaccination with MCC
Status | Completed |
Enrollment | 1244 |
Est. completion date | December 2005 |
Est. primary completion date | December 2005 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 11 Years to 20 Years |
Eligibility |
Inclusion Criteria: - healthy adolescents vaccinated with Meningococcal C Conjugate vaccine Exclusion Criteria: - ascertained or suspected disease caused by N. meningitidis - household contact with individuals with proven N. meningitidis serogroup C infection - significant acute or chronic infections - any other serious disease |
Allocation: Non-Randomized, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention
Country | Name | City | State |
---|---|---|---|
United Kingdom | Centre for Clinical Vaccinology and Tropical Medicine, Churchill Hospital | Headington | Oxfordshire |
Lead Sponsor | Collaborator |
---|---|
Novartis | Novartis Vaccines |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | persistence of memory response to N. meningitidis serogroup C as measured by serum bactericidal activity at one year after either a challenge with 1/5 of a dose of Meningococcal A/C Polysaccharide vaccine or a booster dose of MenC Vaccine. | |||
Secondary | Evaluation and comparison of the persistence of antibodies against N. meningitidis serogroup C as measured by hBCA | |||
Secondary | Evaluation of the immunological response (ELISA) to N. meningitidis serogroup C |
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