Aptevo Therapeutics Inc. is a clinical-stage biotechnology company focused on developing novel oncology and hematology therapeutics to meaningfully improve patientsâ lives. Aptevo has a commercial product, IXINITYÂŽ coagulation factor IX (recombinant), approved and marketed in the United States for the treatment of Hemophilia B, and a versatile core technology â the ADAPTIR⢠modular protein technology platform capable of generating highly-differentiated bispecific antibodies with unique mechanisms of action to treat cancer and autoimmune diseases.
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