Last Updated: November 8, 2026

Details for Patent: 9,198,905

« Back to Dashboard


Summary for Patent: 9,198,905
Title:Compositions and methods for reducing dextrorphan plasma levels and related pharmacodynamic effects
Abstract:This disclosure relates to methods of decreasing dextrorphan plasma levels comprising co-administering hydroxybupropion, or a prodrug thereof, and dextromethorphan to a human being in need of treatment with dextromethorphan. Dosage forms, drug delivery systems, and methods related to dextromethorphan and hydroxybupropion or a prodrug of bupropion are also disclosed.
Inventor(s):Herriot Tabuteau
Assignee: Antecip Bioventures II LLC
Application Number:US14/550,618
Patent Claim Types:
see list of patent claims
Use;

Drugs Protected by US Patent 9,198,905

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 THE METABOLIC LIFETIME OF DEXTROMETHORPHAN 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 THE METABOLIC LIFETIME OF DEXTROMETHORPHAN 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

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.