Last Updated: May 3, 2026

NORISODRINE Drug Patent Profile

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When do Norisodrine patents expire, and what generic alternatives are available?

Norisodrine is a drug marketed by Abbvie and Abbott and is included in two NDAs.

The generic ingredient in NORISODRINE is isoproterenol hydrochloride. There are seventeen drug master file entries for this compound. Thirteen suppliers are listed for this compound. Additional details are available on the isoproterenol hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Norisodrine

A generic version of NORISODRINE was approved as isoproterenol hydrochloride by NEXUS on August 2^nd, 2017.

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Summary for NORISODRINE

US Patents:	0
Applicants:	2
NDAs:	2

US Patents and Regulatory Information for NORISODRINE

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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
Abbvie	NORISODRINE	isoproterenol sulfate	POWDER;INHALATION	006905-003	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Abbvie	NORISODRINE	isoproterenol sulfate	POWDER;INHALATION	006905-002	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Abbott	NORISODRINE AEROTROL	isoproterenol hydrochloride	DISC;INHALATION	016814-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

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