Adjunct to diet for reduction of elevated total-cholesterol (total-C), LDL-C, Apo B & triglycerides (TG) in adults, adolescents & childn ≥10 yr w/ primary hypercholesterolemia, heterozygous familial hypercholesterolemia or combined (mixed) hyperlipidemia (Fredrickson types IIa & IIb), elevated serum TG levels (Fredrickson type IV) & those w/ dysbetalipoproteinemia (Fredrickson type III) when response to diet & other non-pharmacological measures is inadequate. Raises HDL-C; lowers LDL/HDL & total-C/HDL ratios. Reduces total-C & LDL-C in adults w/ homozygous familial hypercholesterolemia as an adjunct to other lipid-lowering treatments (eg, LDL apheresis) or if such treatments are unavailable. Prevention of CV disease.