Adjunctive therapy to diet for the reduction of elevated total-C, LDL-C, Apo B, triglycerides, & non-HDL-C & to increase HDL-C in adult & adolescent (10-17 yr) w/ primary heterozygous familial & non-familial hypercholesterolemia. Reduction of the risk of CV events (CV death, nonfatal MI, nonfatal stroke, hospitalization for unstable angina, or need for revascularization) in patients w/ CHD, CKD. Reduction of elevated total-C & LDL-C levels in adult & adolescent (10-17 yr) w/ HoFH. Reduction of elevated sitosterol & campesterol levels in patients w/ homozygous familial sitosterolemia.