Neurocrine Biosciences is paying $30 million cash and taking a $20 million equity stake in Xenon Pharmaceuticals to license a clinical-stage epilepsy drug and collaborate on other potential treatments for the seizure-causing brain disorder.

The Xenon (NASDAQ: XENE) deal is the second one San Diego-based Neurocrine has struck this year in a bid to expand the landscape of neurological disorders for which it can offer treatment.

For its $50 million, Neurocrine gets the rights to Xenon’s experimental treatment for a rare, hereditary form of early-onset epilepsy caused by mutations to the gene SCN8A. Mutations to that gene can cause epilepsy that… Read more »

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