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Last Updated: November 22, 2024

PURINETHOL Drug Patent Profile


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When do Purinethol patents expire, and when can generic versions of Purinethol launch?

Purinethol is a drug marketed by Stason Pharms and is included in one NDA.

The generic ingredient in PURINETHOL is mercaptopurine. There are ten drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the mercaptopurine profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Purinethol

A generic version of PURINETHOL was approved as mercaptopurine by DR REDDYS LABS SA on February 11th, 2004.

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Summary for PURINETHOL
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 171
Clinical Trials: 57
Patent Applications: 1,767
What excipients (inactive ingredients) are in PURINETHOL?PURINETHOL excipients list
DailyMed Link:PURINETHOL at DailyMed
Drug patent expirations by year for PURINETHOL
Recent Clinical Trials for PURINETHOL

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
City of Hope Medical CenterPhase 1
PfizerPhase 2
EsPhALL network I-BFM Study GroupPhase 3

See all PURINETHOL clinical trials

US Patents and Regulatory Information for PURINETHOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Stason Pharms PURINETHOL mercaptopurine TABLET;ORAL 009053-002 Approved Prior to Jan 1, 1982 AB RX Yes No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

EU/EMA Drug Approvals for PURINETHOL

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
Nova Laboratories Ireland Limited Xaluprine (previously Mercaptopurine Nova Laboratories) mercaptopurine EMEA/H/C/002022
Xaluprine is indicated for the treatment of acute lymphoblastic leukaemia (ALL) in adults, adolescents and children.
Authorised no no no 2012-03-09
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

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