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Reactogenicity and immunogenicity of a new measles-mumps-rubella vaccine containing RIT 4385 mumps virus strain in

G Kanra1, M Ceyhan, E Ozmert

  • 1Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.

The Turkish Journal of Pediatrics
|February 24, 2001
PubMed

Insights

A new measles-mumps-rubella (MMR) vaccine demonstrated excellent safety and immunogenicity in Turkish children. The study found comparable efficacy to existing vaccines, supporting its potential use.

Area of Science:

  • Pediatrics
  • Immunology
  • Vaccinology

Background:

  • Measles-mumps-rubella (MMR) vaccines are crucial for childhood immunization.
  • Evaluating new vaccine formulations for safety and efficacy is essential.

Purpose of the Study:

  • To compare the reactogenicity and immunogenicity of a new MMR vaccine (Priorix) against a commercially available MMR vaccine (MMR-II).

Main Methods:

  • A randomized trial involving 44 children aged 15-18 months.
  • Vaccination with either the new MMR vaccine or the control MMR vaccine.
  • Assessment of local symptoms, fever, seroconversion rates, and geometric mean titers (GMTs).

Main Results:

  • No local symptoms or fever were reported in either group.
  • Seroconversion rates for the new MMR vaccine were 100% (measles), 95% (mumps), and 100% (rubella).
  • Comparable seroconversion rates were observed for the control vaccine.

Conclusions:

  • The new MMR vaccine, containing the RIT 4385 mumps strain, is safe and immunogenic in healthy Turkish children.
  • The vaccine's performance was comparable to the existing MMR vaccine.
  • Post-marketing surveillance is recommended.

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