Adjunct to diet in response of inadequate diet & exercise. Reduction of total mortality & risk of major CV events (eg, CV death, stroke, MI, unstable angina, or arterial revascularization). In adult w/ hypercholesterolaemia, to reduce elevated LDL-C, total cholesterol, triglycerides, & to increase HDL-cholesterol in patients w/ primary hypercholesterolaemia (heterozygous & non familial) & mixed dyslipidaemia (Fredrickson Types IIa & IIb); lowers Apo B, non-HDL-C, VLDL-C, VLDL-TG, the LDL-C/HDL-C, total C/HDL-C, non-HDL-C/HDL-C, Apo B/Apo A-I ratios & increases Apo A-I in these populations. Primary dysbetalipoproteinaemia (Fredrickson type III hyper lipoproteinaemia); isolated hypertriglyceridaemia (Fredrickson type IV hyperlipidaemia). Reduction of total cholesterol & LDL-C in adult w/ homozygous familial hypercholesterolaemia as adjunct to diet & other lipid lowering treatments (eg, LDL apheresis) or monotherapy. Slow or delay progression of atherosclerosis. Reduction of total cholesterol, LDL-C & Apo B in childn & adolescents 6-17 yr w/ heterozygous familial hypercholesterolaemia (HeFH).