Active clinical trials for "Meningococcal Infections"

The purpose of this study is to evaluate persistence of bactericidal antibodies for N. meningitidis serogroups A, C, W, and Y and serogroup B test strains approximately 4 years after primary vaccination in subjects who previously received a 2-dose series of MenABCWY+Outer membrane Vesicles (OMV) or a single dose of MenACWY, to evaluate immune response against N. meningitidis serogroups A, C, W and Y and serogroup B test strains 30 days after a dose of MenABCWY+OMV in previously vaccinated subjects, and 30 days after a 2-dose series in vaccine-naive subjects of similar age, to evaluate kinetics of immune response at 3, 7, and 30 days after a booster dose of MenABCWY+OMV in previously vaccinated subjects and to explore differences in the kinetics of immune response 3, 7 and 30 days after an accelerated 2 dose series of MenABCWY+OMV separated by 30 days given to vaccine-naive subjects, and to assess immunogenicity of 2 doses of MenABCWY+OMV at Day 61 in vaccine-naive subjects and subjects who previously received one dose of MenACWY

This is Phase IV, Open label, Multicenter study. Subject's parents and/or legal guardian will be provided information about the trial. If interested and if eligible, they will then be asked to provide signed informed consent. The initial study visit can occur immediately after signed informed consent has been obtained. Approximately 135 subjects will be enrolled to receive 4 doses of intramuscular MenACWY vaccine at 2, 4, 6 and 12 months of age.

Dosage-Escalation Study to Evaluate the Safety and Immunogenicity of an Aluminium Hydroxide/LHD153R Adjuvanted Meningococcal C-CRM197 Conjugate Vaccine in Healthy Adults (18-45 years of age).

The purpose of this trial is to evaluate the immunogenicity, the safety and the tolerability of rMenB+OMV NZ and MenACWY vaccines in healthy infants, when concomitantly administered at 3, 5, 7 and 13 months of age, compared to either alone.

A multicenter, single arm, post-marketing surveillance study. This study is a postlicensure requirement of the Korea Food and Drug Administration (KFDA) to provide continued safety evaluation of MenACWY in the Korean population from 2 months to 55 years of age, receiving MenACWY-CRM vaccination according to routine clinical practice and prescribing information.

The purpose for this study is to demonstrate the safety and immunogenicity of two doses of Menactra® administered between 12 and 18 months of age and concomitantly with routine immunization with two different provincial schedule Primary Objectives: To describe the immunogenicity of Menactra® administered concomitantly with routine immunizations at 12 and 18 months in naïve or Menjugate-primed (MenC-primed) infants (measured by serum bactericidal assay using baby rabbit complement [SBA-BR]) To describe the immunogenicity of MenC administered concomitantly with routine immunizations at 12 months of age (measured by SBA-BR) Secondary Objectives: Safety To describe the safety profile of Menactra® and MenC vaccines after each dose when given concomitantly with routine immunization. Immunogenicity To describe the immunogenicity of both vaccines using serum bactericidal assay using human complement [SBA-HC] To describe the immunogenicity of Pediacel administered at 18 months.

The purpose of this phase 2 study is to evaluate the safety, tolerability and immunogenicity of two doses of 4 different investigational MenABCWY combination vaccine when administered to healthy adolescents aged 11-18 years.

The purpose of the observer-blinded study is to determine the immunogenicity and safety of one dose of GlaxoSmithKline (GSK) Biologicals' meningococcal vaccine GSK 134612 compared to one dose of Mencevax™ ACWY in healthy subjects 18-25 years of age. In addition, this study will compare the immunogenicity of two lots of GSK's 134612 vaccine.

Evaluate the effectiveness of 2 doses of MenABCWY vaccine in adolescents compared to a single dose of MenACWY vaccine.

Assess the safety and immunogenicity of a 3-dose schedule (at 2, 4, 6 months) of GSK Biologicals' Meningococcal B recombinant vaccine followed by a booster at 12 months when concomitantly administered with routine vaccines in healthy infants in Taiwan.