ALX Oncology Announces Preclinical Data and Phase 1 Trial-in-Progress Presentations of ALX2004, a Novel EGFR-Targeted ADC, at 2025 AACR-NCI-EORTC Conference

Core Insights - ALX Oncology is advancing ALX2004, a novel antibody-drug conjugate (ADC) targeting EGFR-expressing solid tumors, with promising preclinical data supporting its potential as a first-in-class treatment [1][2][6] - The ongoing Phase 1 trial for ALX2004 aims to evaluate its safety, tolerability, and preliminary efficacy, with initial safety data expected in the first half of 2026 [1][3] Company Overview - ALX Oncology is a clinical-stage biotechnology company focused on developing novel therapies for cancer treatment, with a pipeline that includes ALX2004 and evorpacept [5][6] - The company utilizes proprietary technology for drug design, specifically a topoisomerase I inhibitor payload and linker platform, to enhance the therapeutic window of its ADCs [2][6] Clinical Trial Details - The Phase 1 trial (NCT07085091) for ALX2004 is an open-label multicenter study targeting patients with advanced or metastatic EGFR-expressing solid tumors [3] - Enrollment for the trial began in August 2025, and the company is on track to deliver initial safety data in early 2026 [2][3] Presentation Highlights - ALX Oncology presented extensive preclinical data and trial design for ALX2004 at the 2025 AACR-NCI-EORTC International Conference, showcasing its potential to innovate within the EGFR-targeting ADC class [1][4] - The poster presentations included detailed information on the anti-tumor activity and toxicity profile of ALX2004, emphasizing its differentiated mechanism of action [2][4]