Aptevo通过APVO 452、APVO 451专利扩大抗癌渠道;急性骨髓性白血病候选药物Mipletamig显示出强大的临床验证

New candidates, APVO452 and APVO451, harness proprietary ADAPTIR-FLEXTM design to target prostate and multiple solid tumor cancers by simultaneously engaging tumor antigens, T cells, and immunosuppressive cells

Mipletamig-driven clinical validation of the CRIS-7-derived CD3 binding domain underpins Aptevo's introduction of new, trispecific CD3-directed anti-cancer molecules

SEATTLE, WASHINGTON / ACCESS Newswire / September 4, 2025 / Aptevo Therapeutics Inc. ("Aptevo" or the "Company") (NASDAQ:APVO), a clinical-stage biotechnology company focused on developing novel immuno-oncology therapeutics based on its proprietary ADAPTIRTMand ADAPTIR-FLEXTM platform technologies, today announced expansion of its anti-cancer pipeline with the filing of two provisional patents for trispecific candidates, APVO452 and APVO451 for prostate cancer and multiple, additional solid tumor types with significant unmet needs. These programs build on the Company's growing suite of CRIS-7-derived, CD3-directed molecules and are supported by compelling clinical validation from lead candidate, mipletamig, which has demonstrated strong clinical safety and efficacy for the treatment of acute myeloid leukemia (AML).