Zymeworks Announces Presentations Highlighting Breadth of Oncology Portfolio at Upcoming Medical Conferences

Core Insights - Zymeworks Inc. is advancing its oncology programs with multiple presentations scheduled at major medical conferences, including ASCO and ESMO, highlighting its commitment to developing novel biotherapeutics for difficult-to-treat diseases [1][3][10] Oncology Programs - The company is particularly focused on zanidatamab, which is being presented at ASCO, showcasing long-term outcomes and survival data in HER2-positive gastroesophageal cancer [2][4][6] - Zymeworks' proprietary Azymetric™ platform is emphasized for its ability to develop clinically validated therapeutic antibodies, with zanidatamab being a key example [6][14] Upcoming Presentations - Zymeworks and its partners will present multiple abstracts at the ASCO Annual Meeting from May 31 to June 4, 2025, in Chicago, IL [3] - The ESMO Gynaecological Cancers Congress will also feature a trial-in-progress poster for ZW191, scheduled for June 19-21, 2025, in Vienna, Austria [10] Product Details - Ziihera (zanidatamab-hrii) is a bispecific HER2-directed antibody that has received accelerated approval from the FDA for treating advanced HER2-positive biliary tract cancer [18][34] - ZW171 is a bispecific antibody targeting mesothelin and CD3, designed to enhance T cell-mediated tumor cell killing, with promising preclinical data supporting its efficacy [15][34] - ZW191 is an antibody-drug conjugate targeting folate receptor-α, showing strong activity across various cancer models, including those with low levels of the target [16][17] Clinical Development - The company is actively recruiting for Phase 1 studies of ZW171 and ZW191, with plans for an investigational new drug application for ZW251 in mid-2025 [34] - Zymeworks has established partnerships with BeiGene and Jazz Pharmaceuticals for the development and commercialization of zanidatamab in different territories [33][34]