This is a multicenter, open-label extension study designed to assess the long-term safety of evolocumab in subjects who completed the FOURIER study,which is a randomized placebo-controlled study of evolocumab in subjects with clinically evident atherosclerotic CVD on stable effective statin therapy. Eligible subjects at sites participating in FOURIER OLE who have signed the FOURIER OLE informed consent may be enrolled at the completion of FOURIER study.