Long-term Efficacy and Safety of OLE LIB003 in HoFH, HeFH, and High-risk CVD Patients Requiring Further LDL-C Reduction

Inclusion Criteria: * Successful completion 1 of one of the Phase 3 base studies LIB003-003, LIB003-004, LIB003-005, LIB003-006, LIB003-008, LIB003-011 and LIB003-012 without SAEs related to LIB003; or * Provision of written and signed informed consent prior to any study-specific procedure; * Female patients of childbearing potential must be using a highly effective form of birth control if sexually active and have a negative urine pregnancy test on Day 1 prior to dosing; * Patient is willing to maintain appropriate diet and stable dose of current lipid-lowering therapy including statins, ezetimibe, bile acid sequestrants, niacin, bempedoic acid, bezafibrate or fenofibrate, and/or OM-3 compounds; and * Patient is considered by the Investigator to be otherwise healthy, Exclusion Criteria: * Failure to complete a base Phase 3 (LIB003-003, LIB003-004, LIB003-005, LIB003-006, LIB003-008, LIB003-011 and LIB003-012) study and/or had an SAE that was related to study drug during the base Phase 3 study; * Development since the final visit in the base Phase 3 (LIB003-003, LIB003-004, LIB003-005, LIB003-006, LIB003-008, LIB003-011 or LIB003-012) study of any concomitant clinical condition or acute and/or unstable systemic disease compromising patient inclusion, at the discretion of the Investigator, * Use of prohibited oral lipid-lowering agents PCSK9 mAbs, mipomersen, lomitapide gemfibrozil (or bempedoic acid for LIB003, -011) following the base study or the use of PCSK9 short interfering ribonucleic acid (siRNA), or locked nucleic acid-reducing agents (LNA) within the last 6 months; * Not available for protocol-required study visits or procedures, to the best of the patient's and Investigator's knowledge; * Has any other finding which, in the opinion of the Investigator, would compromise the patient's safety or participation in the study;