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Another US setback for istradefylline as Valeant returns rights

 
• By Ian Haydock

Kyowa Hakko Kirin's novel Parkinson's disease drug istradefylline has been hit by another setback in its long road to the US market after North American commercial partner Valeant Pharmaceuticals decided to discontinue a licensing agreement for the product.

Kyowa Hakko Kirin's novel Parkinson's disease drug istradefylline has been hit by another setback in its long road to the US market after North American commercial partner Valeant Pharmaceuticals decided to discontinue a licensing agreement for the product.

The Japanese firm told Scrip that it had not yet settled on the future strategy in this key market for...

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