N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide free base hemihydrate, methods of manufacture and uses thereof
Anti-viral active agents, particularly the free base hemihydrate form of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide, as well as methods for the manufacture thereof. Also the use of the above compound in the treatment of human herpes virus infections and in the preparation of pharmaceuticals comprising said compound.
1. A composition, wherein the composition is a pharmaceutical formulation suitable for topical application and wherein the composition comprises N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate having the molecular formula C 18 H 18 N 4 O 3 S 2 ×0.5 H 2 O.
2. The composition according to claim 1 , wherein said pharmaceutical formulation is suitable for application to the eyes.
3. The composition according to claim 1 , which comprises at least one pharmaceutically acceptable excipient.
4. The composition according to claim 3 , wherein the pharmaceutically acceptable excipient is polyethylene glycol.
5. The composition according to claim 3 , wherein the pharmaceutically acceptable excipient is a cellulose material.
6. The composition according to claim 5 , wherein the cellulose material is selected from methylcellulose, sodium carboxymethylcellulose and hydroxypropylmethylcellulose.
7. The composition according to claim 5 , wherein the cellulose material is hydroxypropylmethylcellulose.
8. The composition according to claim 3 , wherein said composition is in the form of an ointment, gel or film.
9. The composition according to claim 3 , wherein the N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate is present in an amount of about 0.1 to about 10% w/w of the composition.
10. The composition according to claim 3 , wherein the N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate is present in an amount of 5.0% w/w of the composition, and wherein the topical pharmaceutical composition is in the form of an ointment.
11. The composition of claim 1 , wherein the composition is a topical ophthalmic formulation.
12. The composition according to claim 3 , wherein the N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate is present in an amount of about 1.0 to about 7.5% w/w of the composition.
13. The composition according to claim 3 , wherein the N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate is present in an amount of about 2.5 to about 6.0% w/w of the composition.
14. The composition according to claim 3 , wherein the N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate is present in an amount of about 5.0% w/w of the composition.
15. A method for treating herpes virus infection in a subject in need thereof, comprising topically administering the composition of claim 1 to the subject.
16. The method of claim 15 , wherein the composition is topically administered to the eyes of the subject.
17. The method of claim 16 , wherein the N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate is present in an amount of about 1.0 to about 7.5% w/w of the composition.
18. The method of claim 16 , wherein the N-[5-(amino-sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide free base hemihydrate is present in an amount of about 5.0% w/w of the composition.
19. The method of claim 17 , wherein the composition is an ointment and wherein the ointment is administered 1 to 10 times a day.
20. The method of claim 17 , wherein the composition is an ointment, and wherein the ointment is administered 2 to 10 times a day.
21. The method of claim 17 , wherein the composition is an ointment, and wherein the ointment is administered 3 to 8 times a day.
22. The method of claim 17 , wherein the composition is an ointment, and wherein the ointment is administered 3 to 7 times a day.
23. The method of claim 17 , wherein the composition is an ointment, and wherein the ointment is administered 4 to 6 times a day.
24. The method of claim 17 , wherein the composition is an ointment, and wherein the ointment is administered 5 times a day.