The purpose of this study is to compare the efficacy between two lipid lowering treatments, rosuvastatin (10-40 mg) and atorvastatin (20-80 mg) in reducing low-density lipoprotein cholesterol (LDL-C) levels after 16 weeks of treatment in patients with coronary heart disease

Inclusion Criteria:

• 18 years or older, established coronary heart disease with a previously performed PCI, previous treatment with clopidogrel, ongoing statin treatment, LDL-C>2.9 mmol/L, signed informed consent.

Exclusion Criteria:

• Ongoing treatment with clopidogrel for more than 12 weeks after randomisation, hypersensitivity to any of the study drugs, active liver disease, moderate or severe renal impairment, hereditary for or known muscular or neuromuscular disease and/or increased serum CK, pregnancy or lactation or of childbearing potential not practising an adequate method of contraception, use of concomitant medication with possible interaction with