System for sustained-release delivery of anti-inflammatory agents from a coated medical device
First Claim
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1. A medical device comprising:
- (a) a substrate having a surface; and
(b) a coating disposed on the surface, said coating comprising a polymer matrix including an anti-inflammatory corticosteroid, or a codrug or prodrug thereof, which corticosteroid is formulated in a form having a solubility less than 0.1 mg/mL in water at 25°
C., wherein the corticosteroid is released from said polymer matrix at a rate of release to produce an effective concentration of said corticosteroid in tissue or biological fluid in which the medical device is implanted.
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Abstract
The subject invention provides medical devices having a coating disposed on at least one surface, wherein the coating includes a polymer matrix and a low solubility anti-inflammatory corticosteroid formulation, or low solubility codrug or prodrug of an anti-inflammatory corticosteroid formulation.
187 Citations
44 Claims
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1. A medical device comprising:
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(a) a substrate having a surface; and
(b) a coating disposed on the surface, said coating comprising a polymer matrix including an anti-inflammatory corticosteroid, or a codrug or prodrug thereof, which corticosteroid is formulated in a form having a solubility less than 0.1 mg/mL in water at 25°
C.,wherein the corticosteroid is released from said polymer matrix at a rate of release to produce an effective concentration of said corticosteroid in tissue or biological fluid in which the medical device is implanted. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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2. A medical device comprising:
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(a) a substrate having a surface; and
(b) a coating disposed on the surface, said coating comprising a polymer matrix including a soluble anti-inflammatory corticosteroid, and one or more additives which decrease the rate of release of the corticosteroid into the biological fluid or tissue surrounding the device, wherein the corticosteroid is released from said polymer matrix at a rate of release to produce an effective concentration of said corticosteroid in tissue or biological fluid in which the medical device is implanted.
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3. A medical device comprising:
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(a) a substrate having a surface; and
(b) a coating disposed on the surface, said coating comprising a polymer matrix including a prodrug, wherein said prodrug is represented by the general formula A-L-B, in which A represents an anti-inflammatory corticosteroid or a prodrug thereof;
L represents a covalent bond or covalent linker linking A and B to form the prodrug, wherein the bond or linker is metabolized under physiological conditions; and
B represents a moiety which, when linked to A, results in a compound having an optimized solubility for sustained delivery in vivo from the coated device. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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4. A medical device comprising:
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(a) a substrate having a surface; and
(b) a coating disposed on the surface, said coating comprising a polymer matrix including a low solubility prodrug, wherein said prodrug is represented by the general formula of A;
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B, in whichA represents an anti-inflammatory steroid or a derivative thereof;
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represents an ionic bond between A and B that dissociates under physiological conditions to generate said pharmaceutically active form of A; and
B represents a moiety which, when linked to A, results in a compound having an optimized solubility for sustained delivery in vivo from the coated device.
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5. A medical device comprising:
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(a) a substrate having a surface; and
(b) a coating disposed on the surface, said coating comprising a polymer matrix including triamcinolone acetonide.
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43. A method of manufacturing a coating for a medical device, comprising admixing a polymer matrix and a pharmaceutically effective amount of an anti-inflammatory corticosteroid, or a codrug or prodrug thereof, which corticosteroid is formulated in a form having a solubility less than 0.1 mg/mL in water at 25°
- C.
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44. A use of a polymeric coating in the manufacture of a device to place in a patient for treatment of said patient with a sustained dosage regimen of an anti-inflammatory corticosteroid, which corticosteroid is formulated in a form having a solubility less than 0.1 mg/mL in water at 25°
- C.
Specification