Encapsulated drug compositions and methods of use thereof
First Claim
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1. A medical device comprising:
- a base structure having a surface, anda coating on the surface comprising a drug and an excipient, wherein the drug and excipient are present at a weight ratio of between 10 to 1 and 1 to 10 drug to excipient, and wherein the excipient is selected from the group consisting of, epi gallo catechin gallate, tannic acid and epi catechin gallate, and wherein the drug is a restenosis-inhibiting agent.
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Abstract
Various aspects of the present disclosure provide compositions, coatings and implantable devices including a drug and an excipient. In certain embodiments the excipient and the drug are present at a weight ratio of between 10 to 1 and 1 to 10 drug to excipient. In certain other embodiments, the excipient and the drug form particles in which the drug is encapsulated by the excipient. Other aspects of the disclosure provide methods of manufacturing and using such compositions, coatings and implantable devices.
47 Citations
19 Claims
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1. A medical device comprising:
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a base structure having a surface, and a coating on the surface comprising a drug and an excipient, wherein the drug and excipient are present at a weight ratio of between 10 to 1 and 1 to 10 drug to excipient, and wherein the excipient is selected from the group consisting of, epi gallo catechin gallate, tannic acid and epi catechin gallate, and wherein the drug is a restenosis-inhibiting agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A medical device comprising:
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a balloon having an outside surface, and a coating on the outside surface, the coating comprising paclitaxel and an excipient, wherein the paclitaxel and excipient are present at a weight ratio of between 10 to 1 and 1 to 10 paclitaxel to excipient, wherein the paclitaxel is present in an amorphous and a crystalline form, and wherein the excipient is selected from the group consisting of a epi gallo catechin gallate and tannic acid.
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Specification