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Last Updated: December 19, 2025

Details for New Drug Application (NDA): 022075


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NDA 022075 describes NOURIANZ, which is a drug marketed by Kyowa Kirin and is included in one NDA. It is available from one supplier. There are two patents protecting this drug. Additional details are available on the NOURIANZ profile page.

The generic ingredient in NOURIANZ is istradefylline. There is one drug master file entry for this compound. One supplier is listed for this compound. Additional details are available on the istradefylline profile page.
Summary for 022075
Tradename:NOURIANZ
Applicant:Kyowa Kirin
Ingredient:istradefylline
Patents:2
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for 022075
Generic Entry Date for 022075*:
Constraining patent/regulatory exclusivity:
Dosage:
TABLET;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Suppliers and Packaging for NDA: 022075
Tradename Generic Name Dosage NDA Application Type Supplier National Drug Code Package Code Package
NOURIANZ istradefylline TABLET;ORAL 022075 NDA Kyowa Kirin, Inc. 42747-602 42747-602-07 1 BLISTER PACK in 1 BOX (42747-602-07) / 7 TABLET, FILM COATED in 1 BLISTER PACK
NOURIANZ istradefylline TABLET;ORAL 022075 NDA Kyowa Kirin, Inc. 42747-602 42747-602-90 90 TABLET, FILM COATED in 1 BOTTLE (42747-602-90)

Profile for product number 001

Active Rx/OTC/Discontinued:RXDosage:TABLET;ORALStrength20MG
Approval Date:Aug 27, 2019TE:RLD:Yes
Patent:⤷  Get Started FreePatent Expiration:Jan 28, 2028Product Flag?YSubstance Flag?Delist Request?
Patented Use:A METHOD OF REDUCING OFF TIME FROM L-DOPA THERAPY, COMPRISING ADMINISTERING, TO A HUMAN PATIENT WITH PARKINSON'S DISEASE, AN EFFECTIVE AMOUNT OF ISTRADEFYLLINE, WHEREIN THE PATIENT CURRENTLY RECEIVES SAID L-DOPA THERAPY
Patent:⤷  Get Started FreePatent Expiration:Sep 5, 2027Product Flag?YSubstance Flag?Delist Request?

Profile for product number 002

Active Rx/OTC/Discontinued:RXDosage:TABLET;ORALStrength40MG
Approval Date:Aug 27, 2019TE:RLD:Yes
Patent:⤷  Get Started FreePatent Expiration:Jan 28, 2028Product Flag?YSubstance Flag?Delist Request?
Patented Use:A METHOD OF REDUCING OFF TIME FROM L-DOPA THERAPY, COMPRISING ADMINISTERING, TO A HUMAN PATIENT WITH PARKINSON'S DISEASE, AN EFFECTIVE AMOUNT OF ISTRADEFYLLINE, WHEREIN THE PATIENT CURRENTLY RECEIVES SAID L-DOPA THERAPY

Expired US Patents for NDA 022075

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Kyowa Kirin NOURIANZ istradefylline TABLET;ORAL 022075-002 Aug 27, 2019 ⤷  Get Started Free ⤷  Get Started Free
Kyowa Kirin NOURIANZ istradefylline TABLET;ORAL 022075-001 Aug 27, 2019 ⤷  Get Started Free ⤷  Get Started Free
Kyowa Kirin NOURIANZ istradefylline TABLET;ORAL 022075-002 Aug 27, 2019 ⤷  Get Started Free ⤷  Get Started Free
Kyowa Kirin NOURIANZ istradefylline TABLET;ORAL 022075-001 Aug 27, 2019 ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.