Istradefylline Patent Expiration

Istradefylline is Used for managing off time in patients with Parkinson's disease undergoing L-DOPA therapy. It was first introduced by Kyowa Kirin Inc in its drug Nourianz on Aug 27, 2019.


Istradefylline Patents

Given below is the list of patents protecting Istradefylline, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Nourianz US7727993 Administering adenosine A2A receptor antagonist to reduce or suppress side effects of parkinson's disease therapy Jan 28, 2028 Kyowa Kirin
Nourianz US8318201 Method of stabilizing diarylvinylene compound Sep 05, 2027 Kyowa Kirin
Nourianz US7541363 Microcrystal Nov 13, 2024

(Expired)

Kyowa Kirin
Nourianz US7727994 Methods of treating patients suffering from movement disorders Jan 18, 2023

(Expired)

Kyowa Kirin



Istradefylline's Family Patents

Family Patents

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