Eisai to transfer rights for vertigo, muscle spasm drugs in Japan

29 Mar 2024
License out/inAcquisition
Eisai said Friday that it agreed to sell Japanese rights for the vertigo treatment Merislon (betahistine mesilate) and the antispasmodic drug Myonal (eperisone hydrochloride) to Kaken Pharmaceutical.
The drugs have long been used by patients in Japan since their respective launches there decades ago, according to the Eisai. "Divesting rights for these products to Kaken, which has strengths in the products' disease areas, is the most optimal choice to ensure them to continue contributing to a greater number of patients," it added.
Eisai will receive JPY 3.8 billion ($25 million) under the deal, and will proceed with the transfer of marketing capabilities by March 2025, followed by the transfer of manufacturing and marketing approval.
Towards the end of 2022, the drugmaker agreed to offload US rights to its epilepsy drug Fycompa (perampanel) to Catalyst Pharmaceuticals for an upfront payment of $160 million.
The company said it doesn't anticipate any changes to its consolidated financial forecast for the period ending March 31, 2024, as a result of the latest deal.
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