Last Updated: September 24, 2026

Details for Patent: RE46375


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Summary for Patent: RE46375
Title:6,7-unsaturated-7-carbamoyl substituted morphinan derivative
Abstract:A novel compound which is useful as an agent for treating and/or preventing emesis, vomiting and/or constipation.A compound represented by the formula (I): wherein R1 and R2 are each independently hydrogen, optionally substituted lower alkyl, optionally substituted lower alkenyl, optionally substituted cycloalkyl, optionally substituted aryl etc., R3 is hydrogen, hydroxy, optionally substituted lower alkyl, optionally substituted lower alkenyl, optionally substituted lower alkynyl, optionally substituted lower alkoxy etc., R4 is hydrogen or lower alkyl, R5 is hydrogen, lower alkyl, cycloalkyl lower alkyl or lower alkenyl, or a pharmaceutically acceptably acceptable salt, or a solvate thereof is provided.
Inventor(s):Masanao Inagaki, Shin-ichiro Hara, Nobuhiro Haga, Yoshinori Tamura, Yoshihisa Goto, Tsuyoshi Hasegawa
Assignee: Shionogi and Co Ltd
Application Number:US15/064,538
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery; Dosage form;

Drugs Protected by US Patent RE46375

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bdsi SYMPROIC naldemedine tosylate TABLET;ORAL 208854-001 Mar 23, 2017 RX Yes Yes RE46375 ⤷  Start Trial Y Y TREATMENT OF OPIOID-INDUCED CONSTIPATION ⤷  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

Foreign Priority and PCT Information for Patent: RE46375

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
PCT/JP2006/310231May 23, 2006

International Family Members for US Patent RE46375

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1889848 ⤷  Start Trial 300996 Netherlands ⤷  Start Trial
European Patent Office 1889848 ⤷  Start Trial 2019C/533 Belgium ⤷  Start Trial
European Patent Office 1889848 ⤷  Start Trial 122019000063 Germany ⤷  Start Trial
European Patent Office 1889848 ⤷  Start Trial CA 2019 00035 Denmark ⤷  Start Trial
European Patent Office 1889848 ⤷  Start Trial 38/2019 Austria ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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