Efficacy of a Tetravalent Dengue Vaccine in Children in Latin America

Journal of the Pediatric Infectious Diseases Society (JPIDS)
Volume 4 Issue 4 December 2015
http://jpids.oxfordjournals.org/content/current

.
Efficacy of a Tetravalent Dengue Vaccine in Children in Latin America
Rana F. Hamdy
Author Affiliations
Division of Infectious Diseases, The Children’s Hospital of Philadelphia
Received July 9, 2015.
Accepted August 1, 2015.
Villar L, Dayan GH, Arredondo-Garcia JL, et al. Efficacy of a tetravalent dengue vaccine in children in Latin America. N Engl J Med 2015; 372:113–23.
Extract
Dengue is a mosquito-borne disease caused by 1 of 4 virus serotypes from the flavivirus genus present in tropical and subtropical regions. This study reports the results from a phase 3 randomized, blinded, placebo-controlled efficacy trial of a recombinant, live, attenuated, tetravalent dengue vaccine (CYD-TDV) involving healthy children ages 9 to 16 years in 5 Latin American countries.
The study, sponsored by Sanofi Pasteur, took place in 22 centers in Colombia, Brazil, Mexico, Puerto Rico, and Honduras from June 2011 to March 2012. The investigational vaccine consists of 4 recombinant dengue vaccine viruses, which were constructed by replacing the genes that encode the premembrane and envelope proteins of the yellow fever 17D vaccine virus with those from wild-type dengue viruses…