Patent ID: 8574622

Claim:
A testosterone gel formulation for nasal administration to a patient for controlled release of testosterone into systemic circulation of the patient following the nasal administration for treating the patient with testosterone therapy, the testosterone gel formulation comprising: (a) testosterone, wherein said testosterone is present within the testosterone gel formulation in an amount of from about 0.5% to about 10% by weight of the testosterone gel formulation: (b) at least one lipophilic or partly lipophilic carrier present in an amount of from about 60% to about 98% by weight of the testosterone gel formulation; (c) a compound or a mixture of compounds having surface tension decreasing activity present in an amount of from about 1% to about 20% by weight of the testosterone gel formulation; and (d) a viscosity regulating agent present in an amount of from about 0.5% to about 10% by weight of the testosterone gel formulation.