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FDA approves Dengvaxia for dengue disease

Read time: 1 mins
Last updated:3rd May 2019
Published:3rd May 2019
Source: Pharmawand

The FDA approved Dengvaxia (Dengue Tetravalent Vaccine, Live), from Sanofi Pasteur, for the prevention of dengue disease caused by serotypes 1 – 4 of the virus in individuals 9 through 16 years of age living in endemic areas of the U.S. with a laboratory-documented prior infection. Dengvaxia is the first and only vaccine approved for protection against dengue in endemic areas of the U.S.

Dengvaxia is also approved for use in several endemic countries in Latin America and Asia where reducing the human and economic burden of dengue is a public health priority. In December 2018, the European Commission granted marketing authorization for Dengvaxia to prevent dengue in individuals living in endemic areas with a documented prior infection. It is unknown whether Dengvaxia is safe or protective for people living in areas where dengue is not endemic who travel to dengue endemic areas.

Comment: Dengvaxia is not approved for use in individuals not previously infected by any dengue virus serotype or for whom this information is unknown. This is because in people who have not been infected with dengue virus, Dengvaxia appears to act like a first dengue infection – without actually infecting the person with wild-type dengue virus – such that a subsequent infection can result in severe dengue disease.Therefore, health care professionals should evaluate individuals for prior dengue infection to avoid vaccinating individuals who have not been previously infected by dengue virus. This can be assessed through a medical record of a previous laboratory-confirmed dengue infection or through serological testing (tests using blood samples from the patient) prior to vaccination.

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