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  • Safety and Immunogenicity of purified chick embryo cell rabies vaccine (VaxiRab N) administered intradermally as post exposure prophylaxis.

Safety and Immunogenicity of purified chick embryo cell rabies vaccine (VaxiRab N) administered intradermally as post exposure prophylaxis.

Human vaccines & immunotherapeutics (2014-11-27)
Hardanahalli S Ravish, Veena Vijayashankar, Shampur N Madhusudana, Mysore K Sudarshan, Doddabele Ha Narayana, Gangaboraiah Andanaiah, Belludi Y Ashwin, Annadani R Rachana, Manjula Shamanna
ABSTRACT

The affordability to rabies vaccine for intramuscular administration in post exposure prophylaxis is a major constraint. Therefore, in countries, where there are financial constraints, World Health Organization recommends intradermal rabies vaccination that reduces the quantity and cost of vaccination. This study was done to evaluate the safety and immunogenicity of indigenously developed rabies vaccine (VaxiRab N) in comparison to a WHO recommended rabies vaccine (Rabipur) with demonstrated efficacy when administered by intradermal route using updated Thai Red Cross regimen. Eighty-six dog bite cases were randomly given either VaxiRab N (n = 43) or Rabipur (n = 43) as post exposure prophylaxis. The rabies virus neutralizing antibody concentrations on days 14, 28, 90, and 180 were tested by modified rapid fluorescent focus inhibition test. The geometric mean RVNA concentration of both the groups were compared using t- test and was found that, P value > 0.05 on all days, thus showing no significant difference between the 2 groups. The adverse drug events were also compared using Z-test and was found to be not statistically significant (Z = 1.476, P = 0.139). In conclusion, VaxiRab N was found to be safe and effective in post exposure prophylaxis by intradermal route and was similar to the WHO recommended rabies vaccine (Rabipur) of demonstrated efficacy.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Fetal Bovine Serum, USA origin, sterile-filtered, suitable for cell culture, suitable for hybridoma