Efficacy of Lapaquistat Acetate Co-Administered With Current Lipid-Lowering Treatment on Blood Cholesterol Levels in Subjects With Homozygous Familial Hypercholesterolemia

"Cohort 1: Weight is less than 50 kg:~Lapaquistat acetate 50 mg, tablets, orally, once daily and current lipid-lowering treatment for up to 12 weeks.~Cohort 2: Weight is more than 50 kg:~Lapaquistat acetate 100 mg, tablets, orally, once daily and current lipid-lowering treatment for up to 12 weeks."

Lapaquistat acetate placebo-matching tablets, orally, once daily and current lipid-lowering treatment for up to 12 weeks.