Patent 11407838 was granted and assigned to Amgen on August, 2022 by the United States Patent and Trademark Office.
The present invention relates to compositions comprising erenumab and one or more erenumab variants, including isomerization variants, deamidation variants, acidic variants, and HMW species. Pharmaceutical formulations comprising the erenumab compositions and methods of using and characterizing the compositions are also described.