Patent: 6,939,376
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Summary for Patent: 6,939,376
Title: | Drug-delivery endovascular stent and method for treating restenosis |
Abstract: | An intravascular stent and method for inhibiting restenosis, following vascular injury, is disclosed. The stent has an expandable, linked-filament body and a drug-release coating formed on the stent-body filaments, for contacting the vessel injury site when the stent is placed in-situ in an expanded condition. The coating releases, for a period of at least 4 weeks, a restenosis-inhibiting amount of a monocyclic triene immunosuppressive compound having an alkyl group substituent at carbon position 40 in the compound. The stent, when used to treat a vascular injury, gives good protection against clinical restenosis, even when the extent of vascular injury involves vessel overstretching by more than 30% diameter. Also disclosed is a stent having a drug-release coating composed of (i) 10 and 60 weight percent poly-dl-lactide polymer substrate and (ii) 40-90 weight percent of an anti-restenosis compound, and a polymer undercoat having a thickness of between 1-5 microns. |
Inventor(s): | Shulze; John E. (Rancho Santa Margarita, CA), Betts; Ronald E. (La Jolla, CA), Savage; Douglas R. (Del Mar, CA) |
Assignee: | Sun Biomedical, Ltd. (Hamilton Hm Ex, BM) |
Application Number: | 10/133,814 |
Patent Claims: | see list of patent claims |
Details for Patent 6,939,376
Applicant | Tradename | Biologic Ingredient | Dosage Form | BLA | Approval Date | Patent No. | Expiredate |
---|---|---|---|---|---|---|---|
Microbix Biosystems Inc. | KINLYTIC | urokinase | For Injection | 021846 | 01/16/1978 | ⤷ Try a Trial | 2039-03-29 |
Janssen Biotech, Inc. | REOPRO | abciximab | Injection | 103575 | 12/22/1994 | ⤷ Try a Trial | 2039-03-29 |
>Applicant | >Tradename | >Biologic Ingredient | >Dosage Form | >BLA | >Approval Date | >Patent No. | >Expiredate |