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Last Updated: July 27, 2024

CALAN SR Drug Patent Profile


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Which patents cover Calan Sr, and when can generic versions of Calan Sr launch?

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

The generic ingredient in CALAN SR is verapamil hydrochloride. There are seventeen drug master file entries for this compound. Forty-four suppliers are listed for this compound. Additional details are available on the verapamil hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Calan Sr

A generic version of CALAN SR was approved as verapamil hydrochloride by EXELA PHARMA on March 30th, 1984.

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Summary for CALAN SR
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 146
Formulation / Manufacturing:see details
Drug Prices: Drug price information for CALAN SR
What excipients (inactive ingredients) are in CALAN SR?CALAN SR excipients list
DailyMed Link:CALAN SR at DailyMed
Drug patent expirations by year for CALAN SR
Drug Prices for CALAN SR

See drug prices for CALAN SR

US Patents and Regulatory Information for CALAN SR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer CALAN SR verapamil hydrochloride TABLET, EXTENDED RELEASE;ORAL 019152-003 Mar 6, 1991 DISCN Yes No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
Pfizer CALAN SR verapamil hydrochloride TABLET, EXTENDED RELEASE;ORAL 019152-002 Dec 15, 1989 DISCN Yes No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
Pfizer CALAN SR verapamil hydrochloride TABLET, EXTENDED RELEASE;ORAL 019152-001 Dec 16, 1986 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

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