Glycopyrrolate salts
View Patent ↗Salts of glycopyrrolate, including solid forms and formulations such as topicals thereof, are disclosed. Methods of making glycopyrrolate salts, including formulations such as topicals thereof, and methods of treating hyperhidrosis with salts of glycopyrrolate, and formulations such as topicals thereof, are disclosed.
1. A solid dispersion comprising glycopyrrolate tosylate.
2. The solid dispersion of claim 1 , further comprising a monosaccharide, a disaccharide, or a pharmaceutically acceptable polymer containing a cyclic ether moiety.
3. The solid dispersion of claim 1 , further comprising a disaccharide.
4. The solid dispersion of claim 3 , wherein said disaccharide is sucrose.
5. The solid dispersion of claim 1 , further comprising a pharmaceutically acceptable polymer containing a cyclic ether moiety.
6. The solid dispersion of claim 5 , wherein said cyclic ether moiety is a six-membered ring.
7. The solid dispersion of claim 6 , wherein said solid dispersion has a glass transition temperature greater than about 40° C.
8. The solid dispersion of claim 7 , wherein said glass transition temperature is about 42° C.
9. The solid dispersion of claim 7 , characterized by an infrared spectrum comprising a peak at about 1228 cm −1 .
10. The solid dispersion of claim 4 , wherein said solid dispersion has a glass transition temperature greater than about 60° C., and a weight ratio of said sucrose to said glycopyrrolate tosylate is about 9 to 1.
11. The solid dispersion of claim 10 , wherein said glass transition temperature is about 62° C.
12. The solid dispersion of claim 1 , further comprising a pharmaceutically acceptable polymer containing a polyethylene glycol moiety.
13. The solid dispersion of claim 12 , wherein said pharmaceutically acceptable polymer is a polyvinyl alcohol-polyethylene glycol graft copolymer or a polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer.
14. The solid dispersion of claim 1 , further comprising a polyvinyl alcohol-polyethylene glycol copolymer.
15. The solid dispersion of claim 14 , wherein said solid dispersion has a weight ratio of said polyvinyl alcohol-polyethylene glycol copolymer to glycopyrrolate tosylate of about 1:1.
16. The solid dispersion of claim 15 , characterized by an infrared spectrum comprising at least one peak selected from 1099 cm −1 and 1324 cm −1 .
17. The solid dispersion of claim 15 , wherein said solid dispersion has a glass transition temperature of about 32° C.
18. The solid dispersion of claim 14 , wherein said solid dispersion has a weight ratio of said polyvinyl alcohol-polyethylene glycol copolymer to glycopyrrolate tosylate of about 9:1.
19. The solid dispersion of claim 18 , wherein said dispersion has a glass transition temperature of about 35° C.
20. The solid dispersion of claim 1 , further comprising a polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer.
21. The solid dispersion of claim 20 , wherein said solid dispersion has a weight ratio of polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer to glycopyrrolate tosylate of about 1:1.
22. The solid dispersion of claim 20 , wherein said solid dispersion has a glass transition temperature greater than about 30° C., or greater than about 40° C.
23. The solid dispersion of claim 20 , characterized by an infrared spectrum comprising one or more peaks at about 942 cm −1 , about 1195 cm −1 , and about 1445 cm −1 .
24. The solid dispersion of claim 1 , further comprising a pharmaceutically acceptable polymer containing a vinyl pyrrolidone moiety.
25. The solid dispersion of claim 1 , further comprising a pharmaceutically acceptable polymer selected from polyvinyl pyrrolidone or a vinyl pyrrolidone-vinyl acetate copolymer.
26. The solid dispersion of claim 1 , further comprising polyvinyl pyrrolidone, wherein said solid dispersion has a glass transition temperature of at least about 25° C. and a weight ratio of said polyvinyl pyrrolidone to said glycopyrrolate tosylate of between about 1:1 and about 8:1.
27. The solid dispersion of claim 26 , wherein said glass transition temperature is greater than about 35° C.
28. The solid dispersion of claim 27 , wherein said glass transition temperature is about 38° C.
29. The solid dispersion of claim 1 , further comprising a vinyl pyrrolidone-vinyl acetate copolymer.
30. The solid dispersion of claim 29 , wherein said solid dispersion has a glass transition temperature greater than about 60° C. and a weight ratio of said vinyl pyrrolidone-vinyl acetate copolymer to glycopyrrolate tosylate of about 1:1.
31. The solid dispersion of claim 29 , characterized by an infrared spectrum comprising one or more peaks selected from about 1287 cm −1 , about 1371 cm −1 , or about 1673 cm −1 .
32. The solid dispersion of claim 31 , wherein said solid dispersion has a glass transition temperature of about 64° C.
33. The solid dispersion of claim 1 , wherein said glycopyrrolate tosylate comprises a racemic mixture of (R)-3-((S)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate and (S)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate.