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Last Updated: July 29, 2021

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Details for Patent: 8,617,530

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Summary for Patent: 8,617,530
Title:Polymer conjugates of opioid antagonists
Abstract: The invention provides polymer conjugates of opioid antagonists comprising a polymer, such as poly(ethylene glycol), covalently attached to an opioid antagonist. The linkage between the polymer and the opioid antagonist is preferably hydrolytically stable. The invention also includes a method of treating one or more side effects associated with the use of opioid analgesics, such as constipation, nausea, or pruritus, by administering a polymer conjugate of the invention.
Inventor(s): Roberts; Michael James (Williamsburg, VA), Shen; Xiaoming (Madison, AL), Cheng; Lin (Huntsville, AL), Bentley; Michael David (Hunstville, AL)
Assignee: Nektar Therapeutics (San Francisco, CA)
Application Number:13/689,640
Patent Claim Types:
see list of patent claims

Drugs Protected by US Patent 8,617,530

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Redhill MOVANTIK naloxegol oxalate TABLET;ORAL 204760-001 Sep 16, 2014 RX Yes No ⤷  Try it Free ⤷  Try it Free TREATMENT OF OPIOID-INDUCED CONSTIPATION ⤷  Try it Free
Redhill MOVANTIK naloxegol oxalate TABLET;ORAL 204760-002 Sep 16, 2014 RX Yes Yes ⤷  Try it Free ⤷  Try it Free TREATMENT OF OPIOID-INDUCED CONSTIPATION ⤷  Try it Free
>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 8,617,530

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2002360284 ⤷  Try it Free
Canada 2463938 ⤷  Try it Free
Cyprus 1117608 ⤷  Try it Free
Cyprus 1119906 ⤷  Try it Free
Denmark 1436012 ⤷  Try it Free
Denmark 2939696 ⤷  Try it Free
European Patent Office 1436012 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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