| CPC A61K 31/53 (2013.01) [A61K 9/0014 (2013.01); A61K 9/0034 (2013.01); A61K 9/06 (2013.01); A61K 9/107 (2013.01); A61K 31/198 (2013.01); A61K 31/495 (2013.01); A61K 31/4985 (2013.01); A61K 31/506 (2013.01); A61K 31/519 (2013.01); A61K 47/02 (2013.01); A61K 47/06 (2013.01); A61K 47/10 (2013.01); A61K 47/12 (2013.01); A61K 47/14 (2013.01); A61K 47/16 (2013.01); A61K 47/183 (2013.01); A61K 47/22 (2013.01); A61K 47/26 (2013.01); A61K 47/36 (2013.01)] | 20 Claims |
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1. A composition for topical delivery to the skin of a subject, comprising:
a nitric oxide donor comprising L-arginine and/or L-arginine hydrochloride at a concentration of about 2.5% to about 15% by weight;
xanthan gum at about 0.5% to about 1% by weight;
propylene glycol at about 1% to about 10% by weight;
a polysorbate surfactant at about 1% to about 4% by weight;
sildenafil and/or a salt thereof; and
an ionic salt, wherein the composition has an ionic strength of about 0.25 M to about 15 M.
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