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|Title:||Treatment of basal cell carcinoma and actinic keratosis employing hyaluronic acid and NSAIDs|
|Abstract:||A method of treating a mammal for a condition of the skin or exposed tissue selected from the group consisting of basal cell carcinoma and actinic keratosis is provided. The method consists essentially of topically administering to the site of the condition, more than once per day over a period of days sufficient to treat the condition, a non-toxic effective dosage amount of a composition consisting essentially of (a) a non-steroidal anti-inflammatory drug (NSAID) in an amount sufficient to block prostaglandin synthesis, (b) hyaluronic acid or a pharmaceutically acceptable salt thereof in an amount effective to transport said NSAID into the skin or exposed tissue at the site of the condition. The concentration of the hyaluronic add or salt thereof is between 1-3% by weight of the composition. The molecular weight of the hyaluronic acid or salt thereof is between 150,000 and 750,000 Daltons. A pharmaceutical excipient suitable for topical application is included. The NSAID in the composition may be diclofenac sodium.|
|Inventor(s):||Falk; Rudolf Edgar (Toronto, CA), Asculai; Samuel Simon (Toronto, CA)|
|Assignee:||Hyal Pharmaceutical Corporation (Mississauga, CA)|
Patent Claim Types:|
see list of patent claims
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|Canada||2061566||Feb 20, 1992|
|Country||Document Number||Publication Date||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Hungary||211698||Dec 28, 1995|
|New Zealand||249072||Oct 28, 1996|
|China||1051503||May 22, 1991|
|Hong Kong||1005982||Mar 05, 2004|
|Austria||227587||Nov 15, 2002|
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