CytomX Therapeutics Announces Nomination of Second Clinical Candidate in Broad PROBODY® T-Cell Engaging Bispecific (TCB) Collaboration with Astellas

On April 3, 2024 CytomX Therapeutics, Inc. reported the achievement of a second clinical candidate nomination under the companies’ TCB collaboration with Astellas, triggering a $5 million milestone payment to CytomX (Press release, CytomX Therapeutics, APR 3, 2024, View Source [SID1234641737]). CytomX and Astellas are collaborating on multiple conditionally activated TCB programs with CytomX eligible to receive additional future preclinical, clinical and commercial milestones. CytomX retains a cost share and co-commercialization option on a select number of targets.

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"The achievement of clinical candidate nomination for the second Probody TCB program in our broad collaboration with Astellas underscores our capabilities in the exciting field of conditionally activated, masked T-cell engaging bispecifics. T-cell engagers offer new possibilities for the treatment of solid tumors and the PROBODY platform may be ideally suited to realizing the potential of this modality," said Sean McCarthy, D. Phil, chief executive officer and chairman of CytomX.

"At Astellas, immuno-oncology is a Primary Focus of our research and development strategy, and the rapidly advancing field of masked bispecific immune cell engagers holds tremendous promise for patients," stated Peter Sandor, M.D., Senior Vice President and Primary Focus Lead, Immuno-Oncology. "We are delighted with the progress in our broad alliance in this area with CytomX and look forward to the continued collaboration successes as we expand our next-generation immuno-oncology therapeutic pipeline to address areas of high unmet medical need."