Nourianz Approved in US as Add-on Therapy to Carbidopa/Levodopa to Treat Off Periods in Parkinson’s

The U.S Food and Drug Administration (FDA) has approved Kyowa Kirin’s Nourianz (istradefylline) tablets as an add-on therapy to treat off periods in Parkinson’s disease patients on a carbidopa/levodopa regimen. Off periods — when the effects of a medication wear off before a new dose can be...