Abstract:
Provided is a coated implantable medical device, comprising: a substrate; and a coating disposed on the substrate, wherein the coating comprises at least one polymer and at least one pharmaceutical agent in a therapeutically desirable morphology and/or at least one active biological agent and optionally, one or more pharmaceutical carrying agents; wherein substantially all of pharmaceutical agent and/or active biological agent remains within the coating and on the substrate until implantable device is deployed a an intervention site inside the body of a subject and wherein upon deployment of the medical device in the body of the subject a portion of the pharmaceutical agent and/or active biological agent is delivered at the intervention site along with at least a portion of the polymer and/or a at least a portion of the pharmaceutical carrying agents.
Abstract:
A medical device that releases a pharmaceutical agent to a target site is disclosed. The medical device includes a balloon, and a coating on at least a portion of the balloon. The coating includes particles of a pharmaceutical agent. Each particle of the particles of the pharmaceutical agent is at least partially encapsulated in a polymer material. A method of releasing a pharmaceutical agent at a target site is also disclosed. The method includes the steps of providing a device including a balloon, and a coating on at least a portion of the balloon, the coating including particles of a pharmaceutical agent, and each particle of the pharmaceutical agent is at least partially encapsulated in a polymer material; positioning the device to allow the balloon to reach the target site; and inflating the balloon of the device.
Abstract:
Provided herein is a composition comprising a poly(alpha-hydroxycarboxylic acid) substantially free of acidic impurities wherein the poly(alpha-hydroxycarboxylic acid) is selected from poly(D,L-lactic-co-glycolic acid), poly(L-lactic acid), poly(D-lactic acid) and poly(D,L-lactic acid). Also provided is a device comprising: a substrate, and a coating wherein the coating comprises poly(D,L-lactic-co-glycolic acid) substantially free of acidic impurities.
Abstract:
Provided herein is a device comprising: a. stent; b. a plurality of layers on said stent framework to form said device; wherein at least one of said layers comprises a bioabsorbable polymer and at least one of said layers comprises one or more active agents; wherein at least part of the active agent is in crystalline form.
Abstract:
A drug delivery composition including a lipophilic agent or a biologic agent and a polymer wherein the lipophilic agent exhibits sustained release and wherein there is less than 35% agent release within the first hour of elution. A drug delivery composition including a lipophilic agent or a biologic agent and a polymer wherein the elution profile is substantially linear, and wherein there is less than 35% agent release within the first hour of elution. The lipophilic agent may be crystalline and the biologic agent may be in active form.
Abstract:
Provided herein is a coated coronary stent, comprising: a. stent; b. a plurality of layers deposited on said stent to form said coronary stent; wherein at least one of said layers comprises a bioabsorbable polymer and at least one of said layers comprises one or more active agents; wherein at least part of the active agent is in crystalline form.
Abstract:
A method for depositing a coating comprising a polymer and pharmaceutical agent on a substrate, comprising the following steps: discharging at least one pharmaceutical agent in a therapeutically desirable morphology in dry powder form through a first orifice; discharging at least one polymer in dry powder form through a second orifice; depositing the polymer and/or pharmaceutical particles onto said substrate, wherein an electrical potential is maintained between the substrate and the pharmaceutical and/or polymer particles, thereby forming said coating; and sintering said coating under conditions that do not substantially modify the morphology of said pharmaceutical agent.
Abstract:
A medical device that releases a pharmaceutical agent to a target site is disclosed. The medical device includes a balloon, and a coating on at least a portion of the balloon. Each particle of the particles of the pharmaceutical agent is at least partially encapsulated in a polymer layer. The method includes the steps of providing a device including a balloon, and a coating on at least a portion of the balloon, the coating including particles of a pharmaceutical agent, and each particle of the pharmaceutical agent is at least partially encapsulated in a polymer layer; positioning the device to allow the balloon to reach the target site; and inflating the balloon of the device.
Abstract:
A bioabsorbable biomedical implant is disclosed. The implant includes a tubular scaffold comprising a plurality of interconnected polymer struts. The interconnected polymer struts defines a plurality of deformable cells. The polymer struts have an average thickness of no more than 120 μm. Methods for making the bioabsorbable biomedical implant, including the methods for making the polymer materials for the tubular scaffold, are also disclosed.
Abstract:
Drug delivery systems are disclosed which include a drug in dry powder form and a biodegradable or metabolizable carrier having an average particle size of less than about 1 mm for delivery of the drug to a particular location in the body and for providing for the timed elution of the drug at that location, preferably by exhibiting a linear drug elution profile for a sustained drug release period of at least 30 days. Methods for manufacturing these drug delivery systems are also disclosed.