Disclosed herein are aqueous pharmaceutical formulations comprising denosumab or another human anti-RANKL monoclonal antibody or portion thereof, and characteristics of pH, buffer systems, and amino acid aggregation inhibitors. Also disclosed are presentation of the formulation for use, e.g. in a single-use vial, single-use syringe, or glass container, methods of using the formulations and articles for preventing or treating diseases, and related kits.