Allopurinol - Generic Drug Details

✉ Email this page to a colleague

What are the generic sources for allopurinol and what is the scope of patent protection?

Allopurinol is the generic ingredient in six branded drugs marketed by Accord Hlthcare, Aiping Pharm Inc, Chartwell, Endo Operations, Harman Finochem, Hetero Labs Ltd V, Indoco, Ipca Labs Ltd, Lupin Ltd, Mutual Pharm, Mylan, Northstar Hlthcare, Puracap Pharm, Purepac Pharm, Sandoz, Sun Pharm Inds Inc, Sun Pharm Industries, Superpharm, Unichem, Watson Labs, Zydus Pharms, Abbott, Dr Reddys La, Casper Pharma Llc, Gland Pharma Ltd, Hikma, and Ironwood Pharms Inc, and is included in thirty-six NDAs. There are nine patents protecting this compound. Additional information is available in the individual branded drug profile pages.

There are twenty-two drug master file entries for allopurinol. Forty-three suppliers are listed for this compound.

Summary for allopurinol

US Patents:	9
Tradenames:	6
Applicants:	27
NDAs:	36
Drug Master File Entries:	22
Finished Product Suppliers / Packagers:	43
Raw Ingredient (Bulk) Api Vendors:	274
Clinical Trials:	222
Patent Applications:	7,833
Drug Prices:	Drug price trends for allopurinol
Drug Sales Revenues:	Drug sales revenues for allopurinol
What excipients (inactive ingredients) are in allopurinol?	allopurinol excipients list
DailyMed Link:	allopurinol at DailyMed

See drug prices for allopurinol

Drug Sales Revenue Trends for allopurinol

See drug sales revenues for allopurinol

Recent Clinical Trials for allopurinol

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

Sponsor	Phase
Urica Therapeutics Inc.	Phase 1/Phase 2
Dana-Farber Cancer Institute	Phase 2
Eli Lilly and Company	Phase 2

See all allopurinol clinical trials

Pharmacology for allopurinol

Drug Class	Xanthine Oxidase Inhibitor
Mechanism of Action	Xanthine Oxidase Inhibitors

Medical Subject Heading (MeSH) Categories for allopurinol

Antimetabolites
Enzyme Inhibitors
Free Radical Scavengers
Gout Suppressants

Anatomical Therapeutic Chemical (ATC) Classes for allopurinol

M04AA	Preparations inhibiting uric acid production
M04A	ANTIGOUT PREPARATIONS
M04	ANTIGOUT PREPARATIONS
M	Musculo-skeletal system

US Patents and Regulatory Information for allopurinol

+ Get email alerts for changes to this table

Glossary

Subscribe to access the full database, or Sign Up
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Harman Finochem	ALLOPURINOL	allopurinol	TABLET;ORAL	214443-002	Mar 7, 2022	AB	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Watson Labs	ALLOPURINOL	allopurinol	TABLET;ORAL	018877-001	Sep 28, 1984	AB	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Watson Labs	ALLOPURINOL	allopurinol	TABLET;ORAL	018785-002	Sep 28, 1984		DISCN	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Hikma	ALLOPURINOL SODIUM	allopurinol sodium	INJECTABLE;INJECTION	076870-001	Aug 26, 2004	AP	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Harman Finochem	ALLOPURINOL	allopurinol	TABLET;ORAL	214443-003	Jun 17, 2024	AB	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Dr Reddys La	LOPURIN	allopurinol	TABLET;ORAL	071586-001	Apr 2, 1987	AB	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Ironwood Pharms Inc	DUZALLO	allopurinol; lesinurad	TABLET;ORAL	209203-002	Aug 18, 2017		DISCN	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

Expired US Patents for allopurinol

Subscribe to access the full database, or Sign Up
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Abbott	LOPURIN	allopurinol	TABLET;ORAL	018297-001	Approved Prior to Jan 1, 1982	⤷ Sign Up	⤷ Sign Up
Casper Pharma Llc	ZYLOPRIM	allopurinol	TABLET;ORAL	016084-002	Approved Prior to Jan 1, 1982	⤷ Sign Up	⤷ Sign Up
Casper Pharma Llc	ZYLOPRIM	allopurinol	TABLET;ORAL	016084-001	Approved Prior to Jan 1, 1982	⤷ Sign Up	⤷ Sign Up
Abbott	LOPURIN	allopurinol	TABLET;ORAL	018297-002	Approved Prior to Jan 1, 1982	⤷ Sign Up	⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

Make Better Decisions: Try a trial or see plans & pricing

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. 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.