23 July 2021 - Kyowa Kirin today announced that the EMA's CHMP issued a negative opinion for istradefylline as an add-on treatment to levodopa based regimens in adults living with Parkinson’s, experiencing end-of-dose motor fluctuations.
Kyowa Kirin International remain committed to istradefylline and people living with Parkinson’s and are currently reviewing the options available, which may include re-examination.