VANCOUVER, British Columbia, Oct. 16, 2025 (GLOBE NEWSWIRE) -- Zymeworks Inc. (Nasdaq: ZYME), a clinical-stage biotechnology company developing a diverse pipeline of novel, multifunctional biotherapeutics to improve the standard of care for difficult-to-treat diseases, including cancer, inflammation, and autoimmune disease, today announced that management will report its third quarter 2025 financial results after market close on November 6, 2025. Following the announcement, management will host a conference ...

Core Viewpoint - Zymeworks Inc. has decided to voluntarily discontinue the clinical development of ZW171, a T cell engager targeting specific cancers, after evaluating the results from the Phase 1 trial, which indicated that further development would not support a favorable benefit-risk profile [1][3][4]. Company Overview - Zymeworks Inc. is a clinical-stage biotechnology company focused on developing novel biotherapeutics for difficult-to-treat diseases, including cancer, inflammation, and autoimmune diseases [1][5]. - The company utilizes proprietary technologies, such as Azymetric™, to engineer and develop differentiated antibody-based therapeutic candidates [5]. Clinical Development Update - The decision to halt ZW171's development was based on the completion of planned cohorts in the Phase 1 trial, where a maximum tolerated dose was established, but dose-limiting toxicities were observed [3]. - Ongoing participants in the trial will continue treatment at the discretion of their investigators, while those who have discontinued will undergo safety follow-up as per the study protocol [3]. Future Pipeline - Despite the setback with ZW171, Zymeworks is advancing its broader product pipeline, including the ongoing Phase 1 trial of ZW191 and the expected initiation of a Phase 1 study for ZW251 in 2025 [4]. - The company is also preparing an IND filing for ZW209, a DLL3-directed trispecific T cell engager, planned for the first half of 2026 [4]. Product Achievements - Zymeworks has developed zanidatamab, a HER2-targeted bispecific antibody, which has received accelerated approval from the U.S. FDA and conditional approvals in China and Europe for treating specific cancer types [5]. - Zanidatamab is being evaluated in multiple global clinical trials as a potential best-in-class treatment for various HER2-expressing cancers [5]. Strategic Partnerships - The company has entered into agreements with BeOne Medicines Ltd. and Jazz Pharmaceuticals, granting them exclusive rights to develop and commercialize zanidatamab in different territories [5].

Core Viewpoint - Zymeworks Inc. is set to report its second quarter 2025 financial results on August 7, 2025, and will participate in several investor conferences during July and August, highlighting its commitment to advancing its biotherapeutics pipeline for difficult-to-treat diseases [1][2]. Company Overview - Zymeworks Inc. is a clinical-stage biotechnology company focused on developing novel, multifunctional biotherapeutics aimed at improving care for conditions such as cancer, inflammation, and autoimmune diseases [2]. - The company has developed zanidatamab, a HER2-targeted bispecific antibody, which has received accelerated approval from the U.S. FDA and conditional approvals from China's NMPA and the European Commission for treating adults with unresectable or metastatic HER2-positive biliary tract cancer [2]. - Zanidatamab is the first dual HER2-targeted bispecific antibody approved for this indication in the U.S., Europe, and China, and is being evaluated in global clinical trials for multiple HER2-expressing cancers [2]. Upcoming Events - Zymeworks will host a conference call and webcast on August 7, 2025, at 4:30 pm ET to discuss its financial results and provide a corporate update [1]. - The company will participate in the BTIG Virtual Biotechnology Conference on July 29, 2025, and the Stifel Biotech Summer Summit from August 11-13, 2025, including a fireside chat on August 13 at 9:00 am ET [3]. Pipeline Development - Zymeworks is advancing a robust pipeline of wholly-owned product candidates, with Phase 1 studies for ZW171 and ZW191 actively recruiting, and an investigational new drug application for ZW251 planned for mid-2025 [2]. - The company leverages its therapeutic platforms through strategic partnerships with global biopharmaceutical companies to enhance its drug development capabilities [2].