Last Updated: November 8, 2026

Details for Patent: 11,291,638

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Summary for Patent: 11,291,638
Title:Bupropion as a modulator of drug activity
Abstract:Dosage forms, drug delivery systems, and methods related to sustained release of dextromethorphan or improved therapeutic effects are disclosed. Typically, bupropion or a related compound is orally administered to a human being to be treated with, or being treated with, dextromethorphan.
Inventor(s):Herriot Tabuteau
Assignee: Antecip Bioventures II LLC
Application Number:US17/197,971
Patent Claim Types:
see list of patent claims
Use;

Drugs Protected by US Patent 11,291,638

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Axsome AUVELITY bupropion hydrochloride; dextromethorphan hydrobromide TABLET, EXTENDED RELEASE;ORAL 215430-002 Apr 30, 2026 RX Yes No ⤷  Start Trial ⤷  Start Trial THE TREATMENT OF AGITATION ASSOCIATED WITH DEMENTIA DUE TO ALZHEIMER’S DISEASE BY INCREASING DEXTROMETHORPHAN PLASMA LEVELS IN EXTENSIVE METABOLIZERS OF DEXTROMETHORPHAN ⤷  Start Trial
Axsome AUVELITY bupropion hydrochloride; dextromethorphan hydrobromide TABLET, EXTENDED RELEASE;ORAL 215430-001 Aug 18, 2022 RX Yes Yes ⤷  Start Trial ⤷  Start Trial DEXTROMETHORPHAN AND BUPROPION IN COMBINATION TO TREAT MAJOR DEPRESSIVE DISORDER ⤷  Start Trial
Axsome AUVELITY bupropion hydrochloride; dextromethorphan hydrobromide TABLET, EXTENDED RELEASE;ORAL 215430-001 Aug 18, 2022 RX Yes Yes ⤷  Start Trial ⤷  Start Trial THE TREATMENT OF AGITATION ASSOCIATED WITH DEMENTIA DUE TO ALZHEIMER’S DISEASE BY INCREASING DEXTROMETHORPHAN PLASMA LEVELS IN EXTENSIVE METABOLIZERS OF DEXTROMETHORPHAN ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 11,291,638

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2014346807 ⤷  Start Trial
Australia 2015350559 ⤷  Start Trial
Australia 2018203638 ⤷  Start Trial
Australia 2019201548 ⤷  Start Trial
Australia 2019223187 ⤷  Start Trial
Australia 2019236614 ⤷  Start Trial
Australia 2019275593 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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