Journal
VACCINE
Volume 28, Issue 5, Pages 1209-1216Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.vaccine.2009.11.030
Keywords
Smallpox; Vaccination; MVA; Vaccinia
Categories
Funding
- Bavarian Nordic A/S
- National Institute for Allergy and Infectious Diseases
- National Institute for Health [NO1-AI-30016]
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IMVAMUNE (R) is a Modified Vaccinia Ankara (MVA)-based virus that is being developed as a safer 3rd generation smallpox vaccine. In order to determine the optimal dose for further development, a double-blind, randomized Phase II trial was performed testing three different doses of IMVAMUNE (R) in 164 healthy volunteers. All three IMVAMUNE (R) doses displayed a favourable safety profile, with local reactions as the most frequent observation. The 1 x 10(8) TCID50 IMVAMUNE (R) dose induced a total antibody response in 94% of the subjects following the first vaccination and the highest peak seroconversion rates by ELISA (100%) and PRNT (71%). This IMVAMUNE (R) dose was considered to be optimal for the further clinical development of this highly attenuated poxvirus as a safer smallpox vaccine. (C) 2009 Elsevier Ltd. All rights reserved.
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