Sanofi’s Rilzabrutinib Granted Breakthrough and Orphan Designations for wAIHA
Rilzabrutinib (WAYRILZ) by Sanofi (EPA: SAN) recently achieved two major regulatory milestones: FDA Breakthrough Therapy Designation in the U.S. and Orphan Drug Designation by the Japanese Ministry of Health, Labour and Welfare for the treatment of warm autoimmune hemolytic anemia (wAIHA). wAIHA is a rare, life-threatening autoimmune disorder where the immune system incorrectly identifies red blood cells as foreign and destroys them, primarily in the spleen and liver. This leads to profound anemia, fatigue, and potential cardiovascular failure. Currently, the standard of care relies on co...