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|Abstract:||A pharmaceutical composition comprising: (A) an androgen; (B) a cyclic enhancer of the type used in the compositions and methods claimed by U.S. Pat. No. 5,023,252 to Hsieh; and (C) a thickening agent; including, for example, a composition in which the cyclic enhancer is a macrocyclic ester or a macrocyclic ketone; the use of the composition to treat a condition, for example, male hypogonadism, in a patient by applying the composition to the membrane of the patient; and a method for making the composition.|
|Inventor(s):||Gyurik; Robert J. (Exeter, NH)|
|Assignee:||CPEX Pharmaceuticals, Inc. (Exeter, NH)|
1. A method for maintaining a therapeutically effective concentration of testosterone in the blood serum of a male for treating hypogonadism which comprises
transdermally delivering to the male by applying to the skin a composition which is in the form of a topical gel, which has a viscosity of about 2000 to about 6000 cps and a pH of about 4 to about 8, and comprises: (A) about 0.1 to about 5 wt. % of
testosterone; (B) about 0.5 to about 15 wt. % of oxacyclohexadecan-2-one; (C) about 1 to about 6 wt. % of a thickening agent; (D) a mixture of solvents which include: (i) about 60 to about 75 wt. % of ethanol or isopropanol; and (ii) propylene glycol
and glycerin as co-solvents; and (E) a crystallization inhibitor comprising polyethylene glycol.
2. The method of claim 1 wherein the polyethylene glycol ranges from about 0.001 to about 5 wt. %.
3. The method of claim 2 wherein said composition is maintained on said skin for a period of time sufficient for delivery of the testosterone to the body of the male and is applied to the skin in the form of a unit dose which contains about 1 to about 300 mg of testosterone and such that, following a single application of the unit dose to the skin, the amount of circulating testosterone (AUC.sub.0-24) in the blood serum of the male achieved in the 24-hour period following the application is about 100 to about 35,000 ng.h/dL greater than the amount of circulating testosterone (AUC.sub.0-24) in the blood serum of the male than would have been achieved in the same 24-hour period had the dose not been administered.
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