Karyopharm Reports First Quarter 2023 Financial Results and Highlights Recent Company Progress

– Achieved First Quarter 2023 Total Revenues of $38.7 Million, including XPOVIO® (selinexor) Net Product Revenue of $28.3 Million, Adversely Impacted by Increased Utilization of Patient Assistant Programs (PAP) and Higher Gross to Net; YoY Growth in Total Demand1– – Rapid, Deep and…