Methods for determining the risk of coronary heart disease and clinical manifestations of coronary heart disease
View Patent ↗The present disclosure provides methods to predict the risk of CHD and/or clinical manifestations of CHD in a subject. In one embodiment, the method involves measuring the levels or concentration of apo A1, a subclass of HDL, HDL 3 , or a combination of the foregoing. The methods of the present disclosure are particularly useful when the subject has reached target levels of one or more lipoproteins, such as, but not limited to, LDL or HDL or subclass of the foregoing.
1. A method of measuring a risk of coronary heart disease or a clinical manifestation of coronary heart disease in a subject known to have an HDL-C concentration of greater than or equal to 40 mg/dL, the method consisting essentially of: determining the concentration of apo A1 in the subject's serum; and determining the presence of an elevated risk if the concentration of apo A1 is below a threshold concentration, wherein the apo A1 concentration is determined by applying the following equation: [(2.4591*HDL 3 -C)+(0.611*HDL 2 -C)+(0.555*VLDL-C)+33.75].
2. The method of claim 1 , wherein the determining step is performed ex vivo.
3. The method of claim 1 , wherein the threshold concentration is 118 mg dL and the subject is male.
4. The method of claim 1 , wherein the threshold concentration is 145 mg/dL and the subject is female.
5. The method of claim 1 , wherein the apo A1 concentration is measured without measuring apo B.
6. The method of claim 1 where the coronary heart disease or clinical manifestation of coronary heart disease is a risk of death or myocardial infarction.
7. A method of measuring a risk of death or myocardial infarction in a subject known to have an HDL-C concentration of greater than or equal to 40 mg/dL, the method consisting essentially of determining the concentration of apo A1 in the subject's serum; and determining the presence of an elevated risk if the concentration of apo A1 is below a threshold concentration, wherein the apo A1 concentration is determined by applying the following equation: [(2.4591*HDL 3 -C)+(0.611*HDL 2 -C)+(0.555*VLDL-C)+33.75].
8. The method of claim 7 , wherein the determining step is performed ex vivo.
9. The method of claim 7 , wherein the apo A1 concentration is measured without measuring apo B.
10. The method of claim 7 , wherein the threshold concentration is 118 mg dL and the subject is male.
11. The method of claim 7 , wherein the threshold concentration is 145 mg/dL and the subject is female.
12. A method of measuring a risk of coronary heart disease or a clinical manifestation of coronary heart disease in a subject the method consisting essentially of determining the concentration of both apo A1 and HDL-C in the subject's serum; and determining the presence of an elevated risk if the concentration of apo A1 is below a threshold concentration and the HDL-C concentration is greater than or equal to 40 mg/dl, wherein the apo A1 concentration is determined by applying the following equation: [(2.4591*HDL 3 -C)+(0.611*HDL 2 -C)+(0.555*VLDL-C)+33.75].
13. The method of claim 12 , wherein the determining step is performed ex vivo.
14. The method of claim 12 , wherein the HDL-C concentration is determined directly.
15. The method of claim 12 , wherein the apo A1 concentration is measured without measuring apo B.
16. The method of claim 12 where the coronary heart disease or clinical manifestation of coronary heart disease is a risk of death or myocardial infarction.
17. The method of claim 12 , wherein the threshold concentration is 118 mg dL and the subject is male.
18. The method of claim 12 , wherein the threshold concentration is 145 mg/dL and the subject is female.