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Claims for Patent: 6,162,802

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Claims for Patent: 6,162,802

Title: Synergistic combination therapy using benazepril and amlodipine for the treatment of cardiovascular disorders and compositions therefor
Abstract:A method for the treatment of a variety of cardiovascular disorders and related conditions in a mammal having at least one such disorder or condition is disclosed comprising treating the mammal with cotherapy comprising benazepril and amlodipine or pharmaceutically acceptable salts of either or both. Combination formulations of benazepril and amlodipine for use in the method are also disclosed.
Inventor(s): Papa; Joseph (Allschwil, CH), Henis; Marc M. J. (Randolph, NJ)
Assignee:
Application Number:07/848,816
Patent Claims: 1. A method of treating a condition selected from the group consisting of hypertension, congestive heart failure, angina, myocardial infarction, artheroscierosis, diabetic nephropathy, diabetic cardiac myopathy, renal insufficiency, peripheral vascular disease, left ventricular hypertrophy, cognitive dysfunction, stroke, and headache, in a human in need thereof, consisting of administering a daily dose of

(a) benazepril, in free or pharmaceutically acceptable salt form, in an amount corresponding to from 2 mg to 80 mg of benazepril hydrochloride; and

(b) amlodipine, in free or pharmaceutically acceptable salt form, in an amount corresponding to from 1 mg to 20 mg of amlodipine free base,

wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of from 1:1 to 8:1 of benazepril hydrochloride to amlodipine free base.

2. The method of claim 1 wherein the benazepril and the amlodipine are administered in a single dosage form, such that the benazepril and amlodipine are physically separated from each other.

3. The method of claim 7 wherein the single dosage form comprises a capsule comprising within it (a) a coated compressed tablet of benazepril and (b) amlodipine powder.

4. The method of claim 3 wherein the benazepril is benazepril hydrochloride and the amlodipine is amlodipine besylate.

5. The method of claim 4 wherein the amount of benazepril hydrochloride is 20 mg and the amount of amlodipine besylate corresponds to 5 mg of amlodipine free base.

6. The method of claim 4 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 2:1 or 4:1.

7. The method of claim 6 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 4:1.

8. The method of claim 1 wherein the benazepril is benazepril hydrochloride.

9. The method of claim 1 wherein the amlodipine is amlodipine besylate.

10. The method of claim 1 wherein the benazepril is benazepril hydrochloride and the amlodipine is amlodipine besylate.

11. The method of claim 1 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 1:1, 2:1, 4:1, or 8:1.

12. The method of claim 1 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 2:1.

13. The method of claim 11 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 4:1.

14. The method of claim 1 wherein the daily dosage of benazepril corresponds to from 5 mg to 20 mg benazepril hydrochloride.

15. The method of claim 1 wherein the daily dosage of amlodipine corresponds to from 2.5 mg to 5 mg of amlodipine free base.

16. The method of claim 1 wherein the daily dosage of benazepril corresponds to from 5 mg to 20 mg benazepril hydrochloride and the daily dosage of amlodipine corresponds to from 2.5 mg to 5 mg of amlodipine free base.

17. The method of claim 1 wherein the benazepril is administered in a first formulation which is free of the amlodipine and the amlodipine is administered in a second formulation which is free of the benazepril.

18. The method of claim 17 wherein said first formulation and said second formulation are administered within about one hour of each other.

19. A pharmaceutical composition consisting essentially of a daily dose of

(a) benazepril, in free or pharmaceutically acceptable salt form, in an amount corresponding to from 2 mg to 80 mg of benazepril hydrochloride; and

(b) amlodipine, in free or pharmaceutically acceptable salt form, in an amount corresponding to from 1 mg to 20 mg of amlodipine free base,

wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of from 1:1 to 8:1 of benazepril hydrochloride to amlodipine free base, such that the benazepril and the amlodipine are physically separated from one another.

20. The pharmaceutical composition of claim 19 wherein the benazepril is benazepril hydrochloride.

21. The pharmaceutical composition of claim 19 wherein the amlodipine is amlodipine besylate.

22. The pharmaceutical composition of claim 19 wherein the benazepril is benazepril hydrochloride and the amlodipine is amlodipine besylate.

23. The pharmaceutical composition of claim 19 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 1:1, 2:1, 4:1, or 8:1.

24. The pharmaceutical composition of claim 19 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 2:1.

25. The pharmaceutical composition of claim 19 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 4:1.

26. The pharmaceutical composition of claim 19 wherein the amount of benazepril corresponds to from 5 mg to 20 mg benazepril hydrochloride.

27. The pharmaceutical composition of claim 19 wherein the amount of amlodipine corresponds to from 2.5 mg to 5 mg of amlodipine free base.

28. The pharmaceutical composition of claim 19 wherein the amount of benazepril corresponds to from 5 mg to 20 mg benazepril hydrochloride and the amount of amlodipine corresponds to from 2.5 mg to 5 mg of amlodipine free base.

29. The pharmaceutical composition of claim 19 in the form of capsule comprising within it (a) a coated compressed tablet of benazepril, and (b) amlodipine powder.

30. The pharmaceutical composition of claim 19 wherein the benazepril is benazepril hydrochloride and the amlodipine is amlodipine besylate.

31. The pharmaceutical composition of claim 30 wherein the amount of benazepril hydrochloride is 20 mg and the amount of amlodipine besylate corresponds to 5 mg of amlodipine free base.

32. The pharmaceutical composition of claim 29 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 2:1 or 4:1.

33. The pharmaceutical composition of claim 32 wherein the ratio of benazepril to amlodipine corresponds to a weight ratio of benazepril hydrochloride to amlodipine free base of 4:1.
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