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|Title:||Method for the treatment of withdrawal symptoms associated with smoking cessation and preparations for use in said method|
|Abstract:||A preparation for the once-daily, percutaneous administration of nicotine comprises nicotine uniformly distributed in a solid, semi-solid or mucilaginous medium which can be placed in intimate contact with the skin, the solid, semi-solid or mucilaginous medium is formed by adding a given amount of nicotine to a solution of a solidifying or gel-forming agent or mixture thereof in a suitable solvent or mixture of solvents and mixing or heating the mixture thereby obtained so as to form the solid, semi-solid or mucilaginous medium. The preparation can be used in a method of treating withdrawal symptoms associated with smoking cessation and for combating the psychological dependence that occurs through frequent smoking.|
|Inventor(s):||Bannon; Yvonne B. (Naas, IE), Corish; John (Leopardstown, IE), Corrigan; Owen I. (Howth, IE), Geoghegan; Edward J. (Athlone, IE), Masterson; Joseph G. (Clonsilla, IE)|
|Assignee:||Elan Transdermal Limited (Athlone, IE)|
|Filing Date:||Mar 19, 1992|
|Claims:||1. A once-daily transdermal preparation for the controlled release of nicotine comprising an amount of nicotine distributed in a solid, semi-solid or mucilaginous medium and being effective to treat symptoms associated with tobacco smoking cessation and an amount of an anti-irritant effective to alleviate irritation associated with the transdermal delivery of nicotine. |
2. The transdermal preparation of claim 1 wherein the anti-irritant is selected from the group consisting of lidocaine, benzocaine, lignocaine, methocaine, butylaminobenzoate and procaine or a mixture thereof.
3. A method for treating the symptoms associated with tobacco smoking cessation comprising applying the transdermal preparation of claim 1 to the skin of a person in need of such treatment.
4. The method of claim 3 wherein the transdermal preparation is effective to permit controlled release of said nicotine to the skin at a rate of on the average at least 0.5 mg/hour for at least 14 hours.
5. The method of claim 3 wherein the amount of nicotine administered is sufficient to achieve in said person a plasma level of nicotine over a 24 hour period in the range of at least 5 ng/ml for at least 14 hours.
6. The method of claim 5 wherein the plasma level of nicotine over a 24 hour period is in the range of 5-30 ng/ml for at least 14 hours.
7. The method of claim 6 wherein the amount of nicotine administered is sufficient to achieve a plasma level of nicotine in the range of 2-15 ng/ml for the remaining 10 hours or less.
8. The method of claim 7 wherein the amount of nicotine administered is sufficient to achieve a plasma level of nicotine in the range of 2-15 ng/ml within one hour after administration.
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