Business Karyopharm and Menarini Group Receive Full Marketing Authorization from the UK Medicines &… PRNW Agency Feb 21, 2023 – Based on Results from Phase 3 BOSTON Study, Marketing Authorization Expands Multiple Myeloma Indication – NEWTON, Mass. and FLORENCE, Italy, Feb. 21, 2023 /PRNewswire/ -- Karyopharm Therapeutics Inc. (Nasdaq:KPTI), a commercial-stage…