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Details for Patent: 6,169,099

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Details for Patent: 6,169,099

Title: Pharmaceutical composition
Abstract:Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
Inventor(s): Ikeda; Hitoshi (Higashiosaka, JP), Sohda; Takashi (Takatsuki, JP), Odaka; Hiroyuki (Kobe, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Filing Date:Apr 30, 1999
Application Number:09/302,468
Claims:1. A pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with a squalene synthesis inhibitor.

2. The pharmaceutical composition according to claim 1, wherein the insulin sensitivity enhancer is a compound represented by the formula: ##STR8##

wherein R represents an optionally substituted hydrocarbon or heterocyclic group; Y represents a group represented by --CO--, --CH(OH)-- or --NR.sup.3 -- wherein R.sup.3 represents an optionally substituted alkyl group; m is 0 or 1; 1 or 2; represents CH or N; A represents a bond or a C.sub.1-7 divelent aliphatic hydrocarbon group; Q represents oxygen atom or sulfur atom; R.sup.1 represents hydrogen aton or an alkyl group; ring E may optionally have further 1 to 4 substituents, and the substituents may optionally be combined with R.sup.1 to form a ring; L and M respectively represent hydrogen atom, or L and M may optionally be combined with each other to form a bond; or a pharmacologically acceptable salt thereof.

3. The pharmaceutical composition according to claim 2, wherein R is an optionally substituted heterocyclic group.

4. The pharmaceutical composition according to claim 2 wherein m is 0.

5. The pharmaceutical composition according to claim 2, wherein X is CH.

6. The pharmaceutical composition according to claim 2, wherein R.sup.1 is hydrogen atom.

7. The pharmaceutical composition according to claim 2, wherein the partial formula: ##STR9##

wherein R.sup.2 represents hydrogen atom, an alkyl group, an optionally substituted hydroxyl group, a halogen atom, an optionally substituted acyl group, nitro group of an optionally substituted amino group.

8. The pharmaceutical composition according to claim 2, wherein L and M are hydrogen atom.

9. The pharmaceutical composition according to claim 2, wherein R is pyridyl, oxazolyl or thiazolyl group optionally having 1 to 3 substituents selected from C.sub.1-3 alkyl, furyl, thienyl, phenyl and napthyl; m is 0, n is 1; X is CH; A is a bond or --(CH.sub.2).sub.2 --; R.sup.1 is hydrogen atom; the partial formula: ##STR10##

and R.sup.2 is hydrogen atom or C.sub.1-4 alkoxy group; and L and M are both hydrogen atom.

10. The pharmaceutical composition according to claim 2, wherein the compound represented by the formula (I) is pioglitazone.

11. The pharmaceutical composition according to claim 1, wherein the insulin sensitivity enhancer is pioglitazone or its hydrochloride.

12. The pharmaceutical composition according to claim 1, wherein the insulin sensitivity enhancer is troglitazone.

13. The pharmaceutical composition according to claim 1, wherein the insulin sensitivity enhancer is 5-[[4-[2-(methyl-2-pyridlamino)ethoxy]phenyl]methyl]-2,4-thiazolidinedione or its phamacologically accepted salt.

14. The pharmaceutical composition according to claim 1, which is for prophylaxis or treatment of diabetes.

15. The pharmaceutical composition according to claim 1, which is for prophylaxis or treatment of diabetic complications.

16. A method for treating diabetes in a mammal in need thereof, which comprises administering to such a mammal a therapeutically effective amount of an insulin sensitivity enhancer in combination with a squalene synthesis inhibitor.

17. The method according to claim 16, wherein the insulin sensitivity enhancer is pioglitazone or its hydrochloride.

18. The method according to claim 16, wherein the insulin sensitivity enhancer is troglitazone.

19. The method according to claim 16, wherein the insulin sensitivity enhancer is 5-[[4-[2-(methyl-2-pyridlamino)ethoxy]phenyl]methyl]-2,4-thiazolidinedione or its phamacologically accepted salt.

20. The method according to claim 16, wherein the insulin sensitivity enhancer and squalene synthesis inhibitor are mixed together to form an admixture and the admixture is administered to the mammal.

21. The method according to claim 16, wherein the insulin sensitivity enhancer and squalene synthesis inhibitor are not mixed together but are administered independently to the mammal.
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