https://kalkinemedia.com/news/prnews/felzartamab-granted-breakthrough-therapy-designation-by-us-food-and-drug-administration-fda-for-primary-membranous-nephropathy-pmn
Felzartamab Granted Breakthrough Therapy Designation by U.S. Food and Drug Administration (FDA) for Primary Membranous Nephropathy (PMN)