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Last Updated: November 27, 2020

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Claims for Patent: 9,486,526

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Summary for Patent: 9,486,526
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 (Ingelheim am Rhein, DE), Harper; Ruth (Reading, GB), Woerle; Hans-Juergen (Munich, DE)
Assignee: Boehringer Ingelheim International GmbH (Ingelheim am Rhein, DE)
Application Number:14/294,630
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,486,526
Patent Claims: 1. A method for treating and/or preventing type 2 diabetes mellitus in a patient having moderate or severe chronic renal impairment or end-stage renal disease comprising orally administering to the patient a DPP-4 inhibitor, which is 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-a- mino-piperidin-1-yl)-xanthine or a pharmaceutically acceptable salt thereof, wherein said DPP-4 inhibitor is administered in an oral dose of 5 mg per day to said patient, wherein metformin therapy for said patient is ineligible due to contraindication against metformin.

2. The method according to claim 1, wherein said DPP-4 inhibitor is used for said patient in the same dose as for a patient with normal renal function.

3. The method according to claim 1 wherein the patient has severe chronic renal impairment.

4. The method according to claim 1 further comprising the use of the DPP-4 inhibitor in combination with one or more further active substances selected from the group consisting of 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.

5. The method according to claim 1 further comprising the use of the DPP-4 inhibitor in combination with one or more further active substances selected from the group consisting of sulphonylureas, thiazolidinediones, glinides, alpha-glucosidase blockers, GLP-1 and GLP-1 analogues, and insulin and insulin analogues.

6. The method according to claim 1 further comprising the use of the DPP-4 inhibitor in combination with one or more further active substances selected from the group consisting of repaglinide, pioglitazone, and insulin and insulin analogues.

7. The method according to claim 1 further comprising the use of the DPP-4 inhibitor in combination with pioglitazone.

8. A method for treating type 2 diabetes mellitus in a patient with severe chronic renal impairment and for whom metformin therapy is ineligible due to contraindication against metformin, comprising orally administering to the patient a DPP-4 inhibitor which is 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-a- mino-piperidin-1-yl)-xanthine in a dose of 5 mg.

9. A method for treating type 2 diabetes mellitus in a patient with severe chronic renal impairment and who is ineligible for metformin therapy due to contraindication against metformin, comprising orally administering to the patient a DPP-4 inhibitor which is 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-a- mino-piperidin-1-yl)-xanthine in a dose of 5 mg, wherein said DPP-4 inhibitor is used for said patient in the same dose as for a patient with normal renal function.

10. A method for treating type 2 diabetes mellitus in a patient having chronic renal insufficiency or chronic renal impairment of moderate, severe or terminal stage, comprising orally administering to the patient a DPP-4 inhibitor which is 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-a- mino-piperidin-1-yl)-xanthine in a dose of 5 mg once daily, wherein metformin therapy for said patient is ineligible due to contraindication against metformin.

11. The method according to claim 10, wherein the DPP-4 inhibitor is administered to the patient in combination with one or more further active substances selected from the group consisting of repaglinide, pioglitazone, and insulin or insulin analogues.

12. The method according to claim 10, wherein the patient has chronic renal insufficiency or chronic renal impairment of severe stage.

13. A method of treating a type 2 diabetic patient with severe chronic renal impairment and for whom metformin therapy is ineligible due to contraindication against metformin comprising orally administering 5 mg of 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R- )-amino-piperidin-1-yl)-xanthine to the patient, wherein the patient may be on insulin and/or sulfonylurea background medication.

14. The method according to claim 13, wherein the patient has a glomerular filtration rate (GFR)<30 ml/min.

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