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Antengene Receives Clinical Trial Approval in Australia for Phase I ATTRACT Study of ATG-201 (CD19 x CD3 TCE) in B Cell-related Autoimmune Diseases
The study will test safety, tolerability and preliminary efficacy in adult patients as Antengene advances a multi-regional autoimmune disease program.
On Monday, Antengene Corporation Limited received approval from the Human Research Ethics Committee in Australia for the Phase I ATTRACT study of its proprietary ATG-201, a CD19/CD3 bispecific T-cell engager antibody for B cell-related autoimmune diseases.
The drug utilizes the proprietary AnTenGager 2.0 platform, featuring "2+1" bivalent binding to minimize cytokine release syndrome while targeting CD19-expressing B cells through the body's immune system.
This Australian approval follows clearance from China's NMPA in June, advancing the company's multi-regional development strategy; Antengene also granted UCB worldwide exclusive rights to develop, manufacture, and commercialize ATG-201.
The ATTRACT study will consist of two phases: dose escalation and dose expansion, with primary objectives including evaluating safety and tolerability of ATG-201 monotherapy to determine the recommended Phase II dose.
To date, Antengene has obtained 34 investigational new drug approvals in the U.S. and Asia, remaining committed to addressing significant unmet medical needs by developing differentiated, first-in-class therapies for patients worldwide.