Sustained release drug delivery devices, methods of use, and methods of manufacturing thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-009/22
A61K-031/58
A61P-027/02
A61K-009/00
A61F-009/00
출원번호
US-0919962
(2015-10-22)
등록번호
US-9849085
(2017-12-26)
발명자
/ 주소
Guo, Hong
Ashton, Paul
출원인 / 주소
PSIVIDA US INC.
대리인 / 주소
Hogan Lovells US LLP
인용정보
피인용 횟수 :
0인용 특허 :
152
초록▼
A method and device for treating a mammalian organism to obtain a desired local or systemic physiological or pharmacological effect is provided. The method includes administering a sustained release drug delivery system to a mammalian organism in need of such treatment at an area wherein release of
A method and device for treating a mammalian organism to obtain a desired local or systemic physiological or pharmacological effect is provided. The method includes administering a sustained release drug delivery system to a mammalian organism in need of such treatment at an area wherein release of an effective agent is desired and allowing the effective agent to pass through the device in a controlled manner. The device includes an inner core or reservoir including the effective agent, an impermeable tube which encloses portions of the reservoir, and a permeable member at an end of the tube.
대표청구항▼
1. A method for treating a mammal to obtain a desired local or systemic physiological or pharmacological effect, comprising administering to the mammal a sustained release drug delivery system, wherein: (i) the system comprises: a drug reservoir comprising a therapeutically effective amount of an ag
1. A method for treating a mammal to obtain a desired local or systemic physiological or pharmacological effect, comprising administering to the mammal a sustained release drug delivery system, wherein: (i) the system comprises: a drug reservoir comprising a therapeutically effective amount of an agent;an inner tube covering at least a portion of the drug reservoir, wherein the inner tube has a first open end and a second open end, the diameter of the inner tube is not more than 3 millimeters, and the inner tube is dimensionally stable and capable of supporting its own weight; andan outer layer, covering a portion of the inner tube, wherein the outer layer is permeable to the passage of the agent; and(ii) upon administering the system, the agent is released through at least one of the first open end and second open end. 2. The method of claim 1, wherein the inner tube is impermeable to the passage of the agent. 3. The method of claim 1, wherein the inner tube is permeable to the passage of the agent. 4. The method of claim 1, wherein the inner tube comprises a polymer or a metal. 5. The method of claim 4, wherein the inner tube comprises gold, platinum, or stainless steel. 6. The method of claim 1, wherein the inner tube or outer layer comprises ethyl vinyl acetate, polyvinyl acetate, cross-linked polyvinyl alcohol, cross-linked polyvinyl butyrate, ethylene ethylacrylate copolymer, polyethyl hexylacrylate, polyvinyl chloride, polyvinyl acetals, plasticized ethylene vinylacetate copolymer, polyvinyl alcohol, polyvinyl acetate, ethylene vinylchloride copolymer, polyvinyl esters, polyvinylbutyrate, polyvinylformal, polyamides, polymethylmethacrylate, polybutyl methacrylate, plasticized polyvinyl chloride, plasticized nylon, plasticized soft nylon, plasticized polyethylene terephthalate, natural rubber, polyisoprene, polyisobutylene, polybutadiene, polyethylene, polytetrafluoroethylene, polyvinylidene chloride, polyacrylonitrile, cross-linked polyvinylpyrrolidone, polytrifluorochloroethylene, chlorinated polyethylene, poly(1,4′-isopropylidene diphenylene carbonate), vinylidene chloride, acrylonitrile copolymer, vinyl chloride-diethyl fumarate copolymer, silicone rubbers, ethylene-propylene rubber, silicone-carbonate copolymers, vinylidene chloride-vinyl chloride copolymer, vinyl chloride-acrylonitrile copolymer, or vinylidene chloride-acrylonitrile copolymer. 7. The method of claim 6, wherein the outer layer comprises polyvinyl alcohol. 8. The method of claim 1, wherein the length of the tube is not more than 7 millimeters. 9. The method of claim 1, wherein the agent is a corticosteroid. 10. The method of claim 9, wherein the corticosteroid is fluocinolone acetonide. 11. The method of claim 10, wherein administering comprises inserting the system into the mammal. 12. The method of claim 11, wherein inserting comprises injecting the system at a desired location. 13. The method of claim 12, wherein the location is selected from the vitreous of the eye, under the retina, and onto the sclera. 14. The method of claim 11, comprising inserting the system into the vitreous of the eye. 15. The method of claim 14, wherein inserting comprises injecting the system into the vitreous of the eye. 16. The method of claim 1, wherein the mammal is a human. 17. A method for treating a human to obtain a desired local or systemic physiological or pharmacological effect, comprising administering to the human a sustained release drug delivery system, wherein: (i) the system comprises: a drug reservoir comprising a therapeutically effective amount of an agent;an inner tube covering at least a portion of the drug reservoir, wherein the inner tube has a first open end and a second open end, the diameter of the inner tube is not more than 3 millimeters, the length of the inner tube is not more than 7 millimeters, and the inner tube is dimensionally stable and capable of supporting its own weight; andan outer layer, covering a portion of the inner tube, wherein the outer layer is permeable to the passage of the agent;(ii) administering comprises inserting the system into the vitreous of the eye; and(iii) upon administering the system, the agent is released through at least one of the first open end and second open end. 18. The method of claim 17, wherein the agent is a corticosteroid. 19. The method of claim 18, wherein the corticosteroid is fluocinolone acetonide. 20. The method of claim 17, wherein inserting comprises injecting the system into the vitreous of the eye.
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