Patience Pays Off For Kyowa Kirin As Nourianz Finally Gets US FDA OK

The Japanese firm's original 2007 NDA was rejected in 2008 but it kept faith in the drug, now approved as an adjunct to levodopa/carbidopa. At least one competitor is waiting in the wings.

Parkinsons Disease
Nourianz is a levodopa/carbidopa add-on to treat "off" episodes. • Source: Shutterstock

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