Details for Patent: 7,662,365
Summary for Patent: 7,662,365
| 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): | Michael David Bentley, Michael James Roberts, Xiaoming Shen, Lin Cheng |
| Assignee: | Nektar Therapeutics |
| Application Number: | US11/332,964 |
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Patent Claim Types: see list of patent claims | Composition; Compound; |
Drugs Protected by US Patent 7,662,365
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International Family Members for US Patent 7,662,365
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Australia | 2002360284 | ⤷ Start Trial | |||
| Canada | 2463938 | ⤷ Start Trial | |||
| Cyprus | 1117608 | ⤷ Start Trial | |||
| Cyprus | 1119906 | ⤷ Start Trial | |||
| Denmark | 1436012 | ⤷ Start Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
