Specified Drug-use Survey of Leqvio for s.c. Injection.

The objective of this study is to evaluate the long-term safety of Leqvio in patients with familial hypercholesterolaemia or hypercholesterolaemia in post-marketing clinical practice

Inclusion Criteria: * Patients who provided written informed consent to participate in this survey prior to the start of treatment with Leqvio. * Patients who received treatment with Leqvio as per the package insert. Exclusion Criteria: * Patients who received treatment with a formulation containing the same ingredients as Leqvio in the past. * Patients participating in other interventional studies at the time of informed consent. * Patients planning to participate in other interventional studies during this survey.