COMPOSITIONS FOR ENHANCED EPITHELIAL PERMEATION OF Y2 RECEPTOR-BINDING PEPTIDES
Pharmaceutical compositions comprising a PYY peptide, a cyclodextrin, and a compound selected from phosphatidylcholine or diglyceride, wherein the cyclodextrin and the compound selected from phosphatidylcholine or diglyceride are present in an amount sufficient to enhance epithelial permeation.
1 . A pharmaceutical composition comprising a PYY peptide, a cyclodextrin, and a compound selected from phosphatidylcholine or diglyceride, wherein the cyclodextrin and the compound selected from phosphatidylcholine or diglyceride are present in an amount sufficient to enhance epithelial permeation.
2 . The pharmaceutical composition of claim 1 , wherein the PYY peptide is PYY (3-36).
3 . The pharmaceutical composition of claim 1 , wherein the phosphatidylcholine is L-α-phosphatidylcholine didecanoyl (DDPC).
4 . The pharmaceutical composition of claim 1 , wherein the cyclodextrin is selected from the group consisting of hydroxypropyl-α-cyclodextrin, sulfobutylether-β-cyclodextrin, and methyl-β-cyclodextrin.
5 . The pharmaceutical composition of claim 1 , wherein the cyclodextrin is methyl-β-cyclodextrin.
6 . The pharmaceutical composition of claim 1 , wherein the composition is an aqueous composition having a pH of from about 3 to about 6.
7 . The pharmaceutical composition of claim 13 , wherein the pH is 5.0±0.5.
8 . The pharmaceutical composition of claim 1 , further comprising a polyol.
9 . The pharmaceutical composition of claim 8 , wherein the polyol is selected from the group consisting of sucrose, mannitol, sorbitol, lactose, L-arabinose, D-erythrose, D-ribose, D-xylose, D-mannose, trehalose, D-galactose, lactulose, cellobiose, gentibiose, glycerin and polyethylene glycol.
10 . The pharmaceutical composition of claim 8 , wherein the polyol is sorbitol.
11 . The pharmaceutical composition of claim 8 , further comprising a chelating agent.
12 . The pharmaceutical composition of claim 11 , wherein the chelating agent is ethylene diamine tetraacetic acid (EDTA) or ethylene glycol tetraacetic acid (EGTA).
13 . The pharmaceutical composition of claim 11 , wherein the chelating agent is ethylene diamine tetraacetic acid (EDTA).