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Ixiaro receives US FDA nod to prevent Japanese Encephalitis
Basel | Tuesday, March 31, 2009, 08:00 Hrs  [IST]

The United States Food and Drug Administration has approved Ixiaro vaccine for the prevention of Japanese Encephalitis (JE). The vaccine will be marketed in the US as Ixiaro by Novartis Vaccines. JE, a mosquito-borne flaviviral infection, is a devastating disease that results in 10,000-15,000 deaths annually and is a potential threat for travellers to Asia.

Ixiaro was developed to provide a well-tolerated, effective and convenient vaccine against JE, suitable for administration to travellers who wish to reduce their risk of acquiring the disease. A vaccine against Japanese Encephalitis has been available for travellers from the US, however its use has been limited by concerns over its safety profile and a recent announcement of discontinued production. Ixiaro has been shown to be as immunogenic as the currently licensed JE vaccine but with a better local tolerability profile and a more convenient dosing schedule.

"Asia is now the second most popular travel destination globally, and travel to the region is expected to increase. JE is spread by mosquitoes, which makes it unpredictable. Vaccination is the most effective preventive measure against the disease," said Dr Andrin Oswald, CEO of Novartis Vaccines and Diagnostics.

Ixiaro was developed by Intercell AG. Novartis and Intercell have a strategic alliance based on a shared vision of science in vaccines R&D. The alliance provides Novartis with the development and commercialization rights to Intercell's entire non-partnered early state vaccines pipeline.

Ixiaro received a positive opinion from the CHMP (European Committee for Human Medicinal Products) of the European Medicines Agency on the Marketing Authorization in December 2008. Further paediatric studies with the vaccine are planned.

Ixiaro is indicated for active immunization against JE virus for persons 17 years of age and older. Ixiaro is a purified inactivated state-of-the-art JE vaccine that uses cell culture technology. It provides a good immune response while being well tolerated.

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