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Comparison of Two Meningococcal ACWY Conjugate Vaccines — PRIME  

Meningococcal Meningitis Clinical Trial

Official title:
A Phase 2/3, Open Label, Randomised Study of the Safety, Reactogenicity and Immunogenicity of a Single Dose of Novartis Meningococcal ACWY (Menveo) or GSK Meningococcal ACWY Conjugate Vaccine in Adolescents Primed With Meningitec, Menjugate or Neisvac-C in Preschool Vaccination

Clinical Trial Summary

There is evidence of waning immunity in individuals vaccinated against meningitis C as part of the UK infant immunisation schedule. The intention of this study is to contact participants of a previous NVEC (National Vaccine Evalutaion Consortium) clinical trial (a PreSchool Men C trial, in which participants were randomised to receive Meningitec, Menjugate or Neisvac-C). They will be invited to enrol and will be randomised to receive one of two quadrivalent meningococcal ACWY vaccines, to look at the boosting effect they may confer.

Clinical Trial Description

Between 550 and 650 subjects enrolled in a previous Meningococcal C vaccine study will be invited to join this new study looking at the boosting effects of two quadrivalent meningococcal ACWY vaccines. If they choose to participate, they will be randomised to receive one of the ACWY vaccines. Within each vaccine group, there will be further division into short (6 months) or longer (9 months) follow-up.

Each participant will be given one dose of an allocated vaccine. Blood samples will be taken three times from each participant - the first sample will be pre-vaccination; the second sample will be taken one month after vaccination; and the third and final sample at either six or nine months after vaccination (depending on the group they are randomised to). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01192997
Study type Interventional
Source Public Health England
Contact
Status Completed
Phase Phase 2/Phase 3
Start date June 2012
Completion date March 2014
View Details
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