• The FDA granted accelerated approval to Scemblix (asciminib) for adults with newly diagnosed Philadelphia chromosome-positive chronic myeloid leukemia (CML) in the chronic phase.
• The approval was based on the ASC4FIRST trial, which demonstrated a significantly higher major molecular response rate at 48 weeks with Scemblix compared to other tyrosine kinase inhibitors.
• In the ASC4FIRST trial, the major molecular response rate at 48 weeks was 68% in the Scemblix arm versus 49% in the tyrosine kinase inhibitor arm.
• Common side effects associated with Scemblix included rash, musculoskeletal pain, upper respiratory tract infection, fatigue, abdominal pain, headache, and diarrhea.