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Last Updated: March 29, 2024

E-BASE Drug Patent Profile


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When do E-base patents expire, and what generic alternatives are available?

E-base is a drug marketed by Barr and is included in three NDAs.

The generic ingredient in E-BASE is erythromycin. There are one hundred and three drug master file entries for this compound. Thirty-three suppliers are listed for this compound. Additional details are available on the erythromycin profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for E-base

A generic version of E-BASE was approved as erythromycin by TORRENT on July 6th, 2020.

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US Patents and Regulatory Information for E-BASE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Barr E-BASE erythromycin TABLET, DELAYED RELEASE;ORAL 063028-001 May 15, 1990 DISCN No No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Barr E-BASE erythromycin TABLET, DELAYED RELEASE;ORAL 063086-001 May 15, 1990 DISCN No No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Barr E-BASE erythromycin TABLET, DELAYED RELEASE;ORAL 062999-001 Nov 25, 1988 DISCN No No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a 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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