Merck's grass pollen allergy vaccine wins U.S. approval

April 14 Mon Apr 14, 2014 6:36pm EDT

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April 14 (Reuters) - Merck & Co Inc said the U.S. Food and Drug Administration on Monday approved its grass pollen allergy vaccine, Grastek, for patients aged 5 to 65.

The company, which developed the tablet-based drug with Denmark's ALK Abello, said it expects to launch the treatment in the United States by late April.

An advisory committee to the U.S. FDA had unanimously recommended the approval of the drug in December.

The immunotherapy treatment, which got regulatory approval in Canada in February, has been available in Europe since 2006 under the name Grazax.

Merck's stock closed at $55.57 on Monday on the New York Stock Exchange. (Reporting by Natalie Grover in Bangalore; Editing by Savio D'Souza)

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