I don't have any experience with Kevzara but there are a couple of discussions where members are discussing it here:
--- Kevzara (sarilumab) to treat PMR: https://connect.mayoclinic.org/discussion/kevzara-sarilumab-to-treat-pmr/
--- Has anyone heard this news about Kevzara approved for PMR?: https://connect.mayoclinic.org/discussion/has-anyone-heard-this-news-about-kevzara-approved-for-pmr/