DESYREL Drug Patent Profile

Which patents cover Desyrel, and what generic alternatives are available?

Desyrel is a drug marketed by Pragma and is included in one NDA. There is one patent protecting this drug.

This drug has thirty-two patent family members in twenty-three countries.

The generic ingredient in DESYREL is trazodone hydrochloride. There are fourteen drug master file entries for this compound. Thirty-nine suppliers are listed for this compound. Additional details are available on the trazodone hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Desyrel

A generic version of DESYREL was approved as trazodone hydrochloride by APOTEX on March 25^th, 1987.

Summary for DESYREL

International Patents:	32
US Patents:	1
Applicants:	1
NDAs:	1
Raw Ingredient (Bulk) Api Vendors:	134
Clinical Trials:	14
Patent Applications:	1,664
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for DESYREL
What excipients (inactive ingredients) are in DESYREL?	DESYREL excipients list
DailyMed Link:	DESYREL at DailyMed

See drug sales revenues for DESYREL

Recent Clinical Trials for DESYREL

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

Sponsor	Phase
National Institute on Aging (NIA)	Phase 2
Johns Hopkins University	Phase 2
University of Southern California	Phase 4

See all DESYREL clinical trials

US Patents and Regulatory Information for DESYREL

DESYREL is protected by one US patents.

Patents protecting DESYREL

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Pragma	DESYREL	trazodone hydrochloride	TABLET;ORAL	018207-001	Approved Prior to Jan 1, 1982		DISCN	Yes	No			Y	Y
Pragma	DESYREL	trazodone hydrochloride	TABLET;ORAL	018207-004	Nov 7, 1988		DISCN	Yes	No			Y	Y
Pragma	DESYREL	trazodone hydrochloride	TABLET;ORAL	018207-002	Approved Prior to Jan 1, 1982		DISCN	Yes	No			Y	Y
Pragma	DESYREL	trazodone hydrochloride	TABLET;ORAL	018207-003	Mar 25, 1985		DISCN	Yes	No			Y	Y

Expired US Patents for DESYREL

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Pragma	DESYREL	trazodone hydrochloride	TABLET;ORAL	018207-003	Mar 25, 1985
Pragma	DESYREL	trazodone hydrochloride	TABLET;ORAL	018207-003	Mar 25, 1985

International Patents for DESYREL

See the table below for patents covering DESYREL around the world.

Country	Patent Number	Title	Estimated Expiration
Cyprus	1115666
Norway	157048
Canada	1133393	COMPRIME MULTI-SECABLE (MULTI-FRACTIONABLE TABLET STRUCTURE)
Belgium	882426
France	2452284