Methods of treating subjects having diseases, disorders, or conditions, including disorders associated with cholesterol homeostasis, responsive to IL-10, including methods of administration and dosing regimens associated therewith, are provided, More particularly, the present disclosure relates to optimized dosing parameters to achieve and maintain efficacy in the treatment and/or prevention of metabolic diseases, disorders and conditions in a subject, while minimizing the adverse effects associated therewith. Particular embodiments are directed to the treatment and/or prevention of abnormally high levels of cholesterol and/or manifestation(s) of hypercholesterolemia in as subject.