Injectable capsaicin
First Claim
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1. A method for attenuating pain at a site in a human or animal in need thereof, comprising:
- administering at a discrete painful site in a human or animal in need thereof a single injectable or implantable dose of a capsaicinoid in an amount effective to denervate said discrete site without eliciting an effect outside the discrete location and to attenuate pain emanating from said site, said effective dose being from about 1 μ
g to about 5000 μ
g of capsaicin or a therapeutically equivalent dose of a capsaicinoid other than capsaicin.
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Abstract
The present invention provides compositions and methods for relieving pain at a site in a human or animal in need thereof by administering at a discrete site in a human or animal in need thereof a dose of capsaicin in an amount effective to denervate a discrete site without eliciting an effect outside the discrete location, the dose of capsaicin ranging from 1 μg to 3000 μg.
85 Citations
66 Claims
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1. A method for attenuating pain at a site in a human or animal in need thereof, comprising:
administering at a discrete painful site in a human or animal in need thereof a single injectable or implantable dose of a capsaicinoid in an amount effective to denervate said discrete site without eliciting an effect outside the discrete location and to attenuate pain emanating from said site, said effective dose being from about 1 μ
g to about 5000 μ
g of capsaicin or a therapeutically equivalent dose of a capsaicinoid other than capsaicin.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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52. A method of treating acute traumatic pain associated with an injury, comprising injecting a capsaicinoid in a physiologically compatible vehicle through the skin of a patient in proximity to an injury, said dose of capsaicinoid being sufficient to attenuate the dull, aching pain associated with C-fibers in proximity to the injury and such that the patient continues to have sensation in proximity to the injury and without affecting sharp protective pain associated with A-delta fibers in proximity to the site, the dose of capsaicinoid being therapeutically equivalent to a dose of capsaicin in an amount from about 300 to about 1500 μ
- g and being effective to attenuate dull, aching pain in proximity to the injury for at least about 48 hours.
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53. An injectable or implantable pharmaceutical composition for attenuating pain at a site in a human or animal in need thereof, consisting essentially of a capsaicinoid selected from the group consisting of from 1 μ
- g to 5000 μ
g of capsaicin, a therapeutically equivalent amount of one or more other capsaicinoids, and combinations thereof;
in a pharmaceutically acceptable vehicle for injection or implantation. - View Dependent Claims (58, 59, 60, 61)
- g to 5000 μ
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54. The pharmaceutical composition of claim 54, wherein said capsaicinoid comprises from about 300 μ
- g to 1500 μ
g capsaicin. - View Dependent Claims (55, 56, 57)
- g to 1500 μ
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62. An injectable or implantable pharmaceutical composition for attenuating pain at a site in a human or animal in need thereof, consisting essentially of from 1 μ
- g to 5000 μ
g of trans-capsaicin and a pharmaceutically acceptable vehicle for injection or implantation. - View Dependent Claims (63, 64, 65, 66)
- g to 5000 μ
Specification