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Clinical Trial Summary

In this study, subjects who were vaccinated with a meningococcal polysaccharide vaccine in a previous study (whose objectives & outcome measures are presented in a separate protocol posting with NCT number = 00227422) will be vaccinated with a new vaccine using conjugation technology.

These subjects will be compared to subjects vaccinated with the new vaccine, but who were not previously vaccinated with a meningococcal polysaccharide vaccine.


Clinical Trial Description

GSK Biologicals has developed a meningococcal conjugate vaccine (GSK134612). This candidate vaccine has been shown to be well tolerated and immunogenic in toddlers, children aged 3-5 years, and adolescents/young adults. Repeated vaccinations with unconjugated meningococcal polysaccharide vaccine has shown to induce hyporesponsiveness to re-vaccination, this for serogroup C, and a recent publication suggest the same may be true for other serogroups.

This study will evaluate GSK Biologicals' candidate vaccine's ability to induce satisfactory immune response for the serogroups it contains across subjects 4.5 through 34 years of age who previously received a tetravalent meningococcal polysaccharide vaccine when aged 2-30 years. A non-randomised age-strata matched group of subjects, who have not previously received (or not received within the preceding 10 years) any meningococcal vaccine, will also be administered the GSK134612 vaccine for comparison. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00661557
Study type Interventional
Source GlaxoSmithKline
Contact
Status Completed
Phase Phase 2
Start date May 19, 2008
Completion date December 19, 2008

See also
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Completed NCT02173704 - Safety and Immunogenicity of GlaxoSmithKline (GSK) Biologicals' Meningococcal B Recombinant Vaccine When Administered Concomitantly With Routine Vaccines to Healthy Infants of 2 Months of Age and Older, in Taiwan. Phase 3
Completed NCT01641042 - Comparison of GlaxoSmithKline (GSK)134612 in Subjects With Increased Risk for Meningococcal Disease Versus Healthy Subjects Phase 3
Completed NCT01682876 - Immunogenicity, Safety and 1 Year Persistence of Antibodies After Either One or Two Doses of Meningococcal ACWY Conjugate Vaccine in Healthy Children 2 Through 10 Years of Age. Phase 3
Completed NCT00758264 - Co-administration of Meningococcal Vaccine GSK134612 and Pneumococcal Vaccine GSK1024850A vs Individual Administration Phase 3
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Completed NCT00718666 - The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Toddlers Phase 2
Completed NCT01939158 - Immunogenicity and Safety Study of 1 and 2 Doses of GlaxoSmithKline (GSK) Biologicals' Meningococcal Vaccine MenACWY-TT (GSK134612) in Toddlers, Persistence up to 5 Years After Vaccination and Co-administration With Pfizer's Prevenar 13™Vaccine Phase 3
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Active, not recruiting NCT05082285 - A Study on the Safety, Tolerability and Immune Response of Meningococcal Combined ABCWY Vaccine in Healthy Infants Phase 2
Completed NCT02446743 - Combined Study - Phase 3b MenB Long Term Persistence in Adolescents Phase 3
Completed NCT02946385 - Study to Assess the Immunological Long-term Persistence of Antibodies (Abs) 2 Years After GlaxoSmithKline (GSK) Meningococcal ABCWY Vaccination in the V102_15 (NCT02212457) and Response to a Booster in Adolescents Phase 2
Completed NCT00674583 - Comparison of GSK Biologicals' Meningococcal Vaccine (GSK134612) and Licensed MenC-CRM197 Vaccine in Healthy Children Phase 3
Completed NCT01777308 - Immunogenicity, Reactogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' MenACWY-TT Vaccine Administered 6 Years Post-MenC Primary Vaccination in Healthy Subjects Who Were 12-18 Months at Primary Vaccination Phase 3
Completed NCT00464815 - Non-Inferiority of Meningococcal Vaccine GSK134612 Versus Mencevax™ in 11-17 Year-Old Subjects Phase 3
Completed NCT00196976 - Safety & Immunogenicity of 1 Dose of GSK134612 in Children 12-14 Months and 3-5 Years Old Phase 2