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Claims for Patent: 8,853,156

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Claims for Patent: 8,853,156

Title:Treatment for diabetes in patients inappropriate for metformin therapy
Abstract: The present invention relates to the finding that certain DPP-4 inhibitors are particularly suitable for treating and/or preventing metabolic diseases, particularly diabetes, in patients for whom metformin therapy is inappropriate due to intolerability or contraindication against metformin.
Inventor(s): Dugi; Klaus (Dresden, DE), Graefe-Mody; Eva Ulrike (Biberach, DE), Harper; Ruth (Reading, GB), Woerle; Hans-Juergen (Munich, DE)
Assignee: Boehringer Ingelheim International GmbH (Ingelheim am Rhein, DE)
Application Number:13/057,295
Patent Claims: 1. A method of treating and/or preventing metabolic diseases in a patient for whom metformin therapy is inappropriate due to at least one contraindication against metformin comprising orally administering to the patient a DPP-IV inhibitor wherein the contraindication is selected from the group consisting of: renal disease, renal impairment or renal dysfunction, unstable or acute congestive heart failure, acute or chronic metabolic acidosis, and hereditary galactose intolerance.

2. The method according to claim 1 wherein the patient is ineligible for metformin therapy due to contraindication against metformin.

3. The method according to claim 1 wherein the patient is in need of reduced dose metformin therapy due to contraindication against metformin.

4. The method according to claim 1 wherein the metabolic disease is type 2 diabetes mellitus.

5. The method according to claim 1 wherein the contraindication is renal disease, renal impairment or renal dysfunction.

6. The method according claim 1, wherein the DPP-IV inhibitor is either, in a first embodiment (embodiment A), ##STR00023## wherein R1 denotes ([1,5]naphthyridin-2-yl)methyl, (quinazolin-2-yl)methyl, (quinoxalin-6-yl)methyl, (4-methyl-quinazolin-2-yl)methyl, 2-cyano-benzyl, (3-cyano-quinolin-2-yl)methyl, (3-cyano-pyridin-2-yl)methyl, (4-methyl-pyrimidin-2-yl)methyl, or (4,6-dimethyl-pyrimidin-2-yl)methyl and R2 denotes 3-(R)-amino-piperidin-1-yl, (2-amino-2-methyl-propyl)-methylamino or (2-(S)-amino-propyl)-methylamino, or its pharmaceutically acceptable salt; or, in a second embodiment (embodiment B), selected from the group consisting of sitagliptin, vildagliptin, saxagliptin, alogliptin, (2S)-1-{[2-(5-Methyl-2-phenyl-oxazol-4-yl)-ethylamino]-acetyl}-pyrrolidin- e-2-carbonitrile, (2S)-1-{[1,1,-Dimethyl-3-(4-pyridin-3-yl-imidazol-1-yl)-propylamino]-acet- yl}-pyrrolidine-2-carbonitrile, (S)-1-((2S,3S,11bS)-2-Amino-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyr- ido[2,1-a]isoquinolin-3-yl)-4-fluoromethyl-pyrrolidin-2-one, (3,3-Difluoropyrrolidin-1-yl)-((2S,4S)-4-(4-(pyrimidin-2-yl)piperazin-1-y- l)pyrrolidin-2-yl)methanone, (1((3S,4S)-4-Amino-1-(4-(3,3-difluoropyrrolidin-1-yl)-1,3,5-triazin-2-yl)- pyrrolidin-3-yl)-5,5-difluoropiperidin-2-one, (2S,4S)-1-{2-[(3S,1R)-3-(1H-1,2,4-Triazol-1-ylmethyl)cyclopentylamino]-ac- etyl}-4-fluoropyrrolidine-2-carbonitrile, (R)-2-[6-(3-Amino-piperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydro-2H-pyrim- idin-1-ylmethyl]-4-fluoro-benzonitrile, 5-{(S)-2-[2-((S)-2-Cyano-pyrrolidin-1-yl)-2-oxo-ethylamino]-propyl}-5-(1H- -tetrazol-5-yl)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene-2,8-dicarboxylic acid bis-dimethylamide, 3-{(2S,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl]pyrroli- din-2-ylcarbonyl}thiazolidine, [(2R)-1-{[(3R)-Pyrrolidin-3-ylamino]acetyl}pyrrolidin-2-yl]boronic acid, (2S,4S)-1-[2-[(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-flu- oropyrrolidine-2-carbonitrile, 2-({6-[(3R)-3-amino-3-methylpiperidin-1-yl]-1,3-dimethyl-2,4-dioxo-1,2,3,- 4-tetrahydro-5H-pyrrolo[3,2-d]pyrimidin-5-yl}methyl)-4-fluorobenzonitrile, and 6-[(3R)-3-amino-piperidin-1-yl]-5-(2-chloro-5-fluoro-benzyl)-1,3-dime- thyl-1,5-dihydro-pyrrolo[3,2-d]pyrimidine-2,4-dione, or its pharmaceutically acceptable salt.

7. The method according claim 1, wherein said DPP-4 inhibitor is selected from the group consisting of 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-a- mino-piperidin-1-yl)-xanthine, 1-[([1,5]naphthyridin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-ami- no-piperidin-1-yl)-xanthine, 1-[(quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-pipe- ridin-1-yl)-xanthine, 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-methyl-quinazolin-2-yl- methyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one, 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-[(2-amin- o-2-methyl-propyl)-methylamino]-xanthine, 1-[(3-cyano-quinolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amin- o-piperidin-1-yl)-xanthine, 1-(2-cyano-benzyl)-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-y- l)-xanthine, 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-[(S)-(2-- amino-propyl)-methylamino]-xanthine, 1-[(3-cyano-pyridin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino- -piperidin-1-yl)-xanthine, 1-[(4-methyl-pyrimidin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-am- ino-piperidin-1-yl)-xanthine, 1-[(4,6-dimethyl-pyrimidin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-- 3-amino-piperidin-1-yl)-xanthine and 1-[(quinoxalin-6-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-pipe- ridin-1-yl)-xanthine, or a pharmaceutically acceptable salt thereof.

8. The method according to claim 1, wherein said DPP-4 inhibitor is 1-[(4-methyl-quinazolin-2-yl)-methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-- amino-piperidin-1-yl)-xanthine.

9. The method according to claim 1, wherein said DPP-4 inhibitor is selected from the group consisting of saxagliptin, alogliptin, (2S)-1-{[2-(5-Methyl-2-phenyl-oxazol-4-yl)-ethylamino]-acetyl}-pyrrolidin- e-2-carbonitrile, (2S)-1-{[1,1,-Dimethyl-3-(4-pyridin-3-yl-imidazol-1-yl)-propylamino]-acet- yl}-pyrrolidine-2-carbonitrile, (S)-1-((2S,3S,11bS)-2-Amino-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyr- ido[2,1-a]isoquinolin-3-yl)-4-fluoromethyl-pyrrolidin-2-one, (3,3-Difluoropyrrolidin-1-yl)-((2S,4S)-4-(4-(pyrimidin-2-yl)piperazin-1-y- l)pyrrolidin-2-yl)methanone, (1((3S,4S)-4-amino-1-(4-(3,3-difluoropyrrolidin-1-yl)-1,3,5-triazin-2-yl)- pyrrolidin-3-yl)-5,5-difluoropiperidin-2-one, (2S,4S)-1-{2-[(3S,1R)-3-(1H-1,2,4-Triazol-1-ylmethyl)cyclopentylamino]-ac- etyl}-4-fluoropyrrolidine-2-carbonitrile, (R)-2-[6-(3-Amino-piperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydro-2H-pyrim- idin-1-ylmethyl]-4-fluoro-benzonitrile, 5-{(S)-2-[2-((S)-2-Cyano-pyrrolidin-1-yl)-2-oxo-ethylamino]-propyl}-5-(1H- -tetrazol-5-yl)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene-2,8-dicarboxylic acid bis-dimethylamide, 3-{(2S,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl]pyrroli- din-2-ylcarbonyl}thiazolidine, [(2R)-1-{[(3R)-pyrrolidin-3-ylamino]acetyl}pyrrolidin-2-yl]boronic acid, (2S,4S)-1-[2-[(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-flu- oropyrrolidine-2-carbonitrile, 2-({6-[(3R)-3-amino-3-methylpiperidin-1-yl]-1,3-dimethyl-2,4-dioxo-1,2,3,- 4-tetrahydro-5H-pyrrolo[3,2-d]pyrimidin-5-yl}methyl)-4-fluorobenzonitrile, and 6-[(3R)-3-amino-piperidin-1-yl]-5-(2-chloro-5-fluoro-benzyl)-1,3-dime- thyl-1,5-dihydro-pyrrolo[3,2-d]pyrimidine-2,4-dione, or a pharmaceutically acceptable salt thereof.

10. The method according to claim 1 wherein the metabolic disorder is type 2 diabetes mellitus and wherein the contraindication is renal disease, renal impairment or renal dysfunction, and wherein said DPP-4 inhibitor is used for said patient in the same dose as for a patient with normal renal function.

11. The method according to claim 1, characterized in that said DPP-4 inhibitor and its major active metabolite(s) are primarily eliminated via hepatic metabolism or biliary excretion.

12. The method according to claim 1, wherein said DPP-4 inhibitor is excreted mainly via the liver.

13. The method according to claim 1, for which excretion via the kidney represents a minor elimination pathway.

14. The method according to claim 1, wherein said DPP-4 inhibitor is excreted mainly unchanged.

15. The method according to claim 1, for which elimination via metabolism represents a minor elimination pathway.

16. The method according to claim 1, wherein said DPP-4 inhibitor has placebo-like safety/tolerability and/or is eliminated primarily as the parent drug via the liver.

17. The method according to claim 1, wherein the main metabolite of said DPP-4 inhibitor is pharmacologically inactive.

18. The method according to claim 1 wherein the contraindication is mild, moderate or severe renal impairment or end-stage renal disease.

19. The method according to claim 1 further comprising the use of the DPP-IV inhibitor in combination with one or more further active substances selected from antidiabetics, active substances that lower the blood sugar level, active substances that lower the lipid level in the blood, active substances that raise the HDL level in the blood, active substances that lower the blood pressure, active substances that are indicated in the treatment of atherosclerosis, and active substances that are indicated in the treatment of obesity.

20. The method according to claim 1 further comprising the use of the DPP-IV inhibitor in combination with one or more further active substances selected from sulphonylureas, thiazolidinediones, glinides, alpha-glucosidase blockers, GLP-1 and GLP-1 analogues, and insulin and insulin analogues.

21. The method according to claim 1 further comprising the use of the DPP-IV inhibitor in combination with one or more further active substances selected from repaglinide, pioglitazone, and insulin and insulin analogues.

22. The method according to claim 1 further comprising the use of the DPP-IV inhibitor in combination with pioglitazone.

23. A method of treating type 2 diabetes mellitus in a patient for whom metformin therapy is inappropriate due to at least one contraindication against metformin comprising orally administering to the patient a DPP-IV inhibitor wherein the contraindication is selected from the group consisting of: renal disease, renal impairment or renal dysfunction, unstable or acute congestive heart failure, acute or chronic metabolic acidosis, and hereditary galactose intolerance.

24. A method of treating 2 diabetes mellitus in a patient for whom metformin therapy is inappropriate due to at least one contraindication against metformin comprising orally administering to the patient 1-[(4-methyl-quinazolin-2-yl)-methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-- amino-piperidin-1-yl)-xanthine, wherein the contraindication is selected from the group consisting of: renal disease, renal impairment or renal dysfunction, unstable or acute congestive heart failure, acute or chronic metabolic acidosis, and hereditary galactose intolerance.

25. A method of treating 2 diabetes mellitus in a patient for whom metformin therapy is inappropriate due to at least one contraindication against metformin comprising orally administering to the patient 1-[(4-methyl-quinazolin-2-yl)-methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-- amino-piperidin-1-yl)-xanthine, wherein the contraindication is selected from the group consisting of mild, moderate or severe renal impairment or end-stage renal disease.
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