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Last Updated: April 26, 2024

Claims for Patent: 9,974,889

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Summary for Patent: 9,974,889

Title:	Gene delivery stent using titanium oxide thin film coating and method for fabricating the same
Abstract:	The present invention relates to a gene delivery stent using titanium oxide thin film coating and a method for fabricating the gene delivery stent. The gene delivery stent according to the present invention may be loaded with a drug having anti-inflammatory and anti-thrombotic effects and simultaneously deliver a gene capable of inhibiting proliferation of vascular smooth muscle cells. Accordingly, late thrombosis and metal allergy may be reduced, and vascular restenosis in the stent region may be prevented, thereby making it possible to increase treatment effects of the bare metal stent.
Inventor(s):	Kwon; Jin Sook (Gwangju, KR), Ahn; Young Keun (Gwangju, KR), Jeong; Myung Ho (Gwangju, KR), Song; Sun Jung (Gwangju, KR), Cho; Dong Lyun (Gwangju, KR)
Assignee:	Chonnam National University Hospital (Gwangju, KR)
Application Number:	15/368,825
Patent Claims:	1. A gene delivery stent using titanium oxide thin film coating, the gene delivery stent comprising: a titanium oxide thin film obtained by coating a surface of a metal stent with TiO.sub.2-xN.sub.x (0.001.ltoreq.x.ltoreq.1) and modifying the coated surface to introduce a hydroxyl group; a drug layer containing a drug having a functional group bound to a hydroxyl group of the titanium oxide thin film to thereby be adhered onto the titanium oxide thin film; and an oligonucleotide layer containing oligonucleotide bound to the drug to thereby be adhered onto the drug layer, wherein the drug is at least one of abciximab, alpha lipoic acid (ALA), and heparin. 2. The gene delivery stent of claim 1, wherein the oligonucleotide is selected from a group consisting of gDNA, cDNA, pDNA, mRNA, tRNA, rRNA, siRNA, miRNA, and antisense-oligonucleotide.

Details for Patent 9,974,889

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Janssen Biotech, Inc.	REOPRO	abciximab	Injection	103575	12/22/1994	⤷ Try a Trial	2030-12-13
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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