Pharmaceutical composition for reducing the area of myocardial infarction and its use

1. A pharmaceutical composition, comprising a) levocarnitine or its derivatives, and b) trimetazidine or its pharmaceutical acceptable salts; wherein the dosage of a) and b) of the composition is effective in treating myocardial ischemia and reducing the area of myocardial infarction, and wherein the weight ratio of a) and b) is 1:0.000016-1:0.4.

2. The pharmaceutical composition of claim 1 , wherein the Levocarnitine or its derivatives is selected from the group consisting of Levocarnitine, propionyl Levocarnitine, acetyl Levocarnitine and their pharmaceutical acceptable salts.

3. The pharmaceutical composition of claim 1 , wherein pharmaceutical acceptable salts of the trimetazidine and Levocarnitine or its derivatives include hydrochloride salt, hydrobromide, iodate, sulfate, nitrate, phosphate, acetate, maleate, fumarate salt, citrate, oxalate, succinate, tartrate, malate, mandelate, trifluoromethyl acetate, pantothenate, methanesulfonate, or toluenesulfanate.

4. The pharmaceutical composition of claim 1 , wherein the pharmaceutical acceptable salts are salts of acids capable of forming a salt with the trimetazidine or forming a salt with levocarnitine or its derivatives.

5. The pharmaceutical composition of claim 3 , wherein the acids selected from the group consisting of hydrochloride acid, hydrobromide acid, hydriodic acid, sulphuric acid, nitric acid, phosphoric acid, acetic acid, maleic acid, maleic acid, maleic acid, oxalic acid, oxalic acid, tartaric acid, malic acid, mandelic acid, trifluoroacetic acid, pantothenic acid, methane sulfonic acid, and para-toluenesulfonic acid.

6. The pharmaceutical composition of claim 1 , wherein the pharmaceutical composition contains Levocarnitine and hydrochloride salt of trimetazidine in a weight ratio of about 1:0.005.

7. The pharmaceutical composition of claim 1 , further comprising one or more pharmaceutical acceptable carriers for a pharmaceutical preparation, the pharmaceutical preparation selected from oral administration, injected administration or local administration.

8. The pharmaceutical composition of claim 7 , wherein the pharmaceutical preparation is an oral administration form selected from a tablet, sustained-release tablet, granule, solid or soft capsule, syrup, solution, emulsion; an injection administration form selected from an aseptic solution or aseptic oil in water micro-emulsion or aseptic powder; or a local administration form selected from patches, suppositories, cream, ointment, gelatin, solution or suspension.

9. The pharmaceutical composition of claim 1 , which is effective for treating myocardial ischemia, heart pump failure, cardiogenic shock, chronic myocardial infarction, angina, acute coronary syndrome, acute/chronic heart failure, and myocardial metabolic disorder which caused by myocardial ischemia.

10. The pharmaceutical composition of claim 1 , which is effective for reducing area of myocardial infarction.

11. A method for treating myocardial ischemia, the method comprising:

administering successively or simultaneously to a patient a composition comprising trimetazidine or its pharmaceutical acceptable salts and a composition comprising Levocarnitine or its derivatives.

12. A method for treating myocardial ischemia, the method comprising:

administering to a patient the pharmaceutical composition of claim 1 .

13. A method for treating myocardial ischemia, the method comprising:

administering to a patient the pharmaceutical composition of claim 2 .

14. A method for treating myocardial ischemia, the method comprising:

administering to a patient the pharmaceutical composition of claim 3 .

15. A method for treating myocardial ischemia, the method comprising:

administering to a patient the pharmaceutical composition of claim 6 .

16. A method for treating myocardial ischemia, the method comprising:

administering to a patient the pharmaceutical composition of claim 7 .

17. A method of using a pharmaceutical composition in the manufacture of a medicament, the pharmaceutical composition comprising levocarnitine or its derivatives thereof and trimetazidine or its pharmaceutical acceptable salts, the method comprising

providing the pharmaceutical composition, and

making a medicament comprising the pharmaceutical composition,

wherein the medicament provides a dose of adults per day (a) from 10 mg to 600 mg/kg weight of Levocarnitine or its derivatives, and (b) from 0.01 mg to 3 mg/kg body weight of trimetazidine or its pharmaceutical acceptable salt, the Levocarnitine or its derivative and trimetazidine or its pharmaceutically acceptable salt having a weight ratio from about 1:0.000016 to about 1:0.3.

18. A method of using a pharmaceutical composition in the manufacture of a medicament, the pharmaceutical composition comprising levocarnitine or its derivatives thereof and trimetazidine or its pharmaceutical acceptable salts, the method comprising

providing the pharmaceutical composition, and

making a medicament comprising the pharmaceutical composition,

wherein the medicament provides a dose of adults per day (a) from 1000 mg to 30000 mg Levocarnitine or its derivatives, and (b) from 1 mg to 60 mg trimetazidine or its pharmaceutical acceptable slat, the Levocarnitine or its derivative and trimetazidine or its pharmaceutically acceptable salt having a weight ratio from about 1:0.000016 to about 1:0.3.

19. A method of using a pharmaceutical composition in the manufacture of a medicament, the pharmaceutical composition comprising levocarnitine or its derivatives thereof and trimetazidine or its pharmaceutical acceptable salts, the method comprising

providing the pharmaceutical composition, and

making a medicament comprising the pharmaceutical composition,

wherein the medicament provides a dose of adults per day (a) from 10 mg to 600 mg/kg weight of Levocarnitine or its derivatives, and (b) from 0.01 mg to 3 mg/kg weight of trimetazidine and its pharmaceutically acceptable salt, the Levocarnitine or its derivative and trimetazidine or its pharmaceutically acceptable salt having a weight ratio of about 1:0.005.

20. A method of using a pharmaceutical composition in the manufacture of a medicament, the pharmaceutical composition comprising levocarnitine or its derivatives thereof and trimetazidine or its pharmaceutical acceptable salts, the method comprising

providing the pharmaceutical composition, and

making a medicament comprising the pharmaceutical composition,

wherein the medicament provides a dose of adults per day (a) from 1000 mg to 30000 mg Levocarnitine or its derivatives, and (b) from 1 mg to about 60 mg trimetazidine and its pharmaceutically acceptable salt, the Levocarnitine or its derivative and trimetazidine or its pharmaceutically acceptable salt having a weight ratio of about 1:0.005.