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Subjects were previously vaccinated at 11 to 17 years of age. This extension phase starts 24 months after vaccination and the subjects who were vaccinated in the primary study will be enrolled in this extension phase. No new subjects will be enrolled.
Subjects were previously vaccinated at 11 to 17 months of age with GSK Biologicals' meningococcal vaccine 134612 or with Mencevax™. This extension phase starts 24 months after vaccination and the subjects who were vaccinated in the primary study will be enrolled in this extension phase. No new studies will be enrolled. The subjects will have 4 blood samples taken: at 24, 36, 48 and 60 months after vaccination.
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
Meningococcal Serogroups A, C, W-135 and/or Y Disease
GSK Investigational Site
Published on BioPortfolio: 2014-08-27T03:19:25-0400
The purpose of this study is to evaluate how well the immuno response against meningococcal serogroups A, C, W and Y lasts in children who were vaccinated with MenACWY as infants.
The purpose of the study is to evaluate the quadrivalent meningococcal conjugate vaccine when used as a single-dose toddler vaccine in individuals who are either meningococcal vaccine naï...
The purpose of the study is to demonstrate the immune lot consistency of the antibody responses to meningococcal serogroups A, C, Y, and W following the administration of a single dose of ...
The aim of the study is to describe the safety and antibody response to revaccination with MenACYW conjugate vaccine in persons who received their first quadrivalent meningococcal conjugat...
The aim of the study is to demonstrate non-inferiority of immunogenicity and evaluate the safety of a single dose of MenACYW conjugate vaccine compared to a single dose of Menomune® - A/C...
Current meningococcal prime-boost vaccination schedules include separate vaccines for serogroups ACWY and B. An investigational combined serogroups ABCWY vaccine (MenABCWY) was developed to protect ag...
Meningococcal disease continues to be a life threatening infection with high morbidity and mortality even in appropriately treated patients. Meningococcal vaccination plays a major role in the control...
In this issue of Virulence, Capel and colleagues describe the use of a unique humanised mouse model to elucidate specific interactions between Neisseria meningitidis and human endothelial cells during...
In 2005, meningococcal conjugate vaccine (MenACWY) was recommended for routine use among adolescents aged 11-18 years. This report describes the epidemiologic features of meningococcal disease and tre...
Colonization of the human nasopharyngeal tract by the bacterium Neisseria meningitidis is usually asymptomatic, but life-threatening meningococcal disease with a clinical presentation of meningitis, s...
Sampling of blood levels of the adrenocorticotropic hormone (ACTH) by withdrawal of blood from the inferior petrosal sinus. The inferior petrosal sinus arises from the cavernous sinus and runs to the internal jugular vein. Sampling of blood at this level is a valuable tool in the differential diagnosis of Cushing disease, Cushing syndrome, and other adrenocortical diseases.
A species of gram-negative, aerobic BACTERIA. It is a commensal and pathogen only of humans, and can be carried asymptomatically in the NASOPHARYNX. When found in cerebrospinal fluid it is the causative agent of cerebrospinal meningitis (MENINGITIS, MENINGOCOCCAL). It is also found in venereal discharges and blood. There are at least 13 serogroups based on antigenic differences in the capsular polysaccharides; the ones causing most meningitis infections being A, B, C, Y, and W-135. Each serogroup can be further classified by serotype, serosubtype, and immunotype.
A sampling methodology using small sample sizes when conducting surveys in small geographical or population-based areas or lots.
A method for diagnosis of fetal diseases by sampling the cells of the placental chorionic villi for DNA analysis, presence of bacteria, concentration of metabolites, etc. The advantage over amniocentesis is that the procedure can be carried out in the first trimester.
A fulminant infection of the meninges and subarachnoid fluid by the bacterium NEISSERIA MENINGITIDIS, producing diffuse inflammation and peri-meningeal venous thromboses. Clinical manifestations include FEVER, nuchal rigidity, SEIZURES, severe HEADACHE, petechial rash, stupor, focal neurologic deficits, HYDROCEPHALUS, and COMA. The organism is usually transmitted via nasopharyngeal secretions and is a leading cause of meningitis in children and young adults. Organisms from Neisseria meningitidis serogroups A, B, C, Y, and W-135 have been reported to cause meningitis. (From Adams et al., Principles of Neurology, 6th ed, pp689-701; Curr Opin Pediatr 1998 Feb;10(1):13-8)
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A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one ...