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Study in Adolescents/Adults to Evaluate the Persistence up to 3.5 Yrs of GSK Biologicals Meningococcal Vaccine 134612

Infections, Meningococcal Clinical Trial

Official title:
Assess Long Term Persistence of a Primary Dose of GSK Biologicals' Meningococcal Vaccine 134612 Versus One Dose of Mencevax™ ACWY in Healthy Adolescents/Young Adults (15 to 19 Years at Vaccination)

Clinical Trial Summary

This study will investigate the long-term protection offered by GSK Biologicals' meningococcal vaccine 134612 up to 3.5 years after vaccination. Subjects were vaccinated at 15 to 19 years of age. This extension phase starts 18 months after vaccination and part of the subjects who were vaccinated in the primary study will be enrolled in this extension phase. No new subjects will be enrolled. This protocol posting deals with objectives & outcome measures of the extension phase 18, 30 and 42 months after vaccination. The objectives & outcome measures of the primary phase are presented in a separate protocol posting (NCT00126945). The Protocol Posting has been updated in order to comply with the FDA Amendment Act, September 2007.

Clinical Trial Description

Subjects were previously vaccinated at 15 to 19 years of age with GSK Biologicals' meningococcal vaccine 134612 or with Mencevax™ ACWY. This extension phase starts 18 months after vaccination and part of the subjects will be enrolled in this extension phase. No additional vaccines will be administered during this study and no new subjects will be enrolled. The subjects will have three blood samples taken: at 18, 30 and 42 months after vaccination. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00390143
Study type Interventional
Source GlaxoSmithKline
Contact
Status Completed
Phase Phase 2
Start date February 2007
Completion date May 2009
View Details
See also
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