HALCION Drug Patent Profile

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

Halcion is a drug marketed by Pfizer and is included in one NDA.

The generic ingredient in HALCION is triazolam. There are six drug master file entries for this compound. Ten suppliers are listed for this compound. Additional details are available on the triazolam profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Halcion

A generic version of HALCION was approved as triazolam by NOVAST LABS on October 20^th, 2020.

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Summary for HALCION

US Patents:	0
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	3
Raw Ingredient (Bulk) Api Vendors:	38
Clinical Trials:	3
Patent Applications:	4,083
Formulation / Manufacturing:	see details
Drug Prices:	Drug price information for HALCION
What excipients (inactive ingredients) are in HALCION?	HALCION excipients list
DailyMed Link:	HALCION at DailyMed

Drug patent expirations by year for HALCION

Recent Clinical Trials for HALCION

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

Sponsor	Phase
Boston Medical Center	Phase 4
Akili Interactive Labs, Inc.	N/A
Pfizer	Phase 1

See all HALCION clinical trials

Pharmacology for HALCION

Drug Class	Benzodiazepine

US Patents and Regulatory Information for HALCION

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Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Pfizer	HALCION	triazolam	TABLET;ORAL	017892-003	Apr 26, 1985	AB	RX	Yes	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Pfizer	HALCION	triazolam	TABLET;ORAL	017892-001	Nov 15, 1982	AB	RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Pfizer	HALCION	triazolam	TABLET;ORAL	017892-002	Nov 15, 1982		DISCN	No	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 HALCION

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Pfizer	HALCION	triazolam	TABLET;ORAL	017892-002	Nov 15, 1982	⤷ Sign Up	⤷ Sign Up
Pfizer	HALCION	triazolam	TABLET;ORAL	017892-002	Nov 15, 1982	⤷ Sign Up	⤷ Sign Up
Pfizer	HALCION	triazolam	TABLET;ORAL	017892-003	Apr 26, 1985	⤷ Sign Up	⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for HALCION

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

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Country	Patent Number	Title	Estimated Expiration
Guatemala	197223779	COMPOSICIONES DE 8-CLORO-1-METIL-6-(O-CLOROFENIL)-4H-S-TRIA-ZOL [4,3-A] [1,4] BENZODIAZEPINA Y METODO DE TRATAMIENTO.	⤷ Sign Up
Netherlands	170857		⤷ Sign Up
Japan	S4940239		⤷ Sign Up
>Country	>Patent Number	>Title	>Estimated Expiration

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Summary for HALCION

Recent Clinical Trials for HALCION

Pharmacology for HALCION

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