Generated: December 14, 2017
DrugPatentWatch Database Preview
Details for Patent: 4,439,423
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Summary for Patent: 4,439,423
|Title:|| Chymopapain and method for its use|
|Abstract:||An improved method for treating an intervertebral spinal disc in a mammalian subject which disc exhibits an abnormal condition, characterized by a reduced risk of toxic effect to the subject is provided which comprises, injecting in said disc an amount of a pharmaceutically acceptable solution of a purified chymopapain essentially free of proteolytically inactive and/or toxic protein components, said purified chymopapain being used in an amount sufficient to selectively dissolve the nucleus pulposus of said disc. Pharmaceutical compositions are also provided for said method which include a purified proteolytically active lyophilized chymopapain, essentially free of proteolytically inactive and toxic components, and an activating amount of a pharmaceutically acceptable reducing agent.|
|Inventor(s):|| Smith; William S. (Libertyville, IL) |
|Assignee:|| Smith Laboratories, Inc. (Rosemont, IL) |
Patent Claim Types:|
see list of patent claims
|Use; Composition; Formulation; |
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International Patent Family for Patent: 4,439,423
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