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A Clinical Trial of Split-virion Influenza A/H1N1 Vaccines

2014-08-27 03:18:20 | BioPortfolio

Summary

A single center, Open-Label phase IV clinical trial is to be conducted in healthy elders (equal to or more than 61 years to evaluate the immunogenicity and safety of Sinovac's 15μg H1N1 influenza A Vaccine (Split virion), Inactivated.

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention

Conditions

Influenza

Intervention

H1N1 influenza A Vaccine (Split virion), Inactivated

Location

Beijing Centers for Diseases Control and Prevention
Beijing
China
100013

Status

Enrolling by invitation

Source

Sinovac Biotech Co., Ltd

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:18:20-0400

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Medical and Biotech [MESH] Definitions

A subtype of INFLUENZA A VIRUS comprised of the surface proteins hemagglutinin 1 and neuraminidase 1. The H1N1 subtype was responsible for the Spanish flu pandemic of 1918.

Species of the genus INFLUENZAVIRUS B that cause HUMAN INFLUENZA and other diseases primarily in humans. Antigenic variation is less extensive than in type A viruses (INFLUENZA A VIRUS) and consequently there is no basis for distinct subtypes or variants. Epidemics are less likely than with INFLUENZA A VIRUS and there have been no pandemics. Previously only found in humans, Influenza B virus has been isolated from seals which may constitute the animal reservoir from which humans are exposed.

Membrane glycoproteins from influenza viruses which are involved in hemagglutination, virus attachment, and envelope fusion. Fourteen distinct subtypes of HA glycoproteins and nine of NA glycoproteins have been identified from INFLUENZA A VIRUS; no subtypes have been identified for Influenza B or Influenza C viruses.

Infection of domestic and wild fowl and other BIRDS with INFLUENZA A VIRUS. Avian influenza usually does not sicken birds, but can be highly pathogenic and fatal in domestic POULTRY.

Vaccines used to prevent infection by viruses in the family ORTHOMYXOVIRIDAE. It includes both killed or attenuated vaccines. The composition of the vaccines is changed each year in response to antigenic shifts and changes in prevalence of influenza virus strains. The vaccine is usually bivalent or trivalent, containing one or two INFLUENZAVIRUS A strains and one INFLUENZAVIRUS B strain.

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