Safety and Efficacy Comparison Study of NK-104-CR (Controled Release) in Patients With Primary Hyperlipidemia or Mixed Dyslipidemia

Inclusion Criteria: * Male and female patients with primary hyperlipidemia or mixed dyslipidemia who are ≥18 and ≤80 years of age at the time of consent; * Fasting plasma LDL-C ≥160 mg/dL and ≤250 mg/dL and TG values of ≤300 mg/dL * Patients who are naïve to statin or who are able to safely discontinue the use of all lipid-lowering agents for 6 weeks before randomization and throughout study participation Exclusion Criteria: * Homozygous familial hypercholesterolemia; * Any conditions which may cause secondary dyslipidemia. * Newly diagnosed or poorly controlled diabetes mellitus as defined by HbA1c \>8%