Instil Bio Gains FDA Approval for AXN-2510 Phase 1 Trial in Solid Tumors

10 July 2025
Instil Bio, Inc., a biopharmaceutical company based in Dallas, Texas, has received clearance from the U.S. Food and Drug Administration (FDA) for its Investigational New Drug (IND) application concerning AXN-2510, referred to as '2510'. The company is poised to launch a phase 1 clinical trial for '2510 as a standalone treatment aimed at individuals suffering from relapsed or refractory solid tumors, with plans to commence this trial by the end of 2025.

The forthcoming phase 1 trial will focus on assessing the safety, effectiveness, pharmacokinetics, and pharmacodynamics of '2510 in patients diagnosed with solid tumors. This study represents a pivotal step in Instil's mission to establish '2510 as a viable treatment option. The company joins forces with ImmuneOnco, which is currently conducting a phase 2 study of '2510 in combination with chemotherapy for first-line non-small cell lung cancer (NSCLC) in China. ImmuneOnco is expected to release initial safety and efficacy data from this study in the latter half of 2025.

Jamie Freedman, M.D., Ph.D., the Chief Medical Officer at Instil, expressed satisfaction with the FDA's approval, underscoring the importance of evaluating '2510 within a global patient demographic. This global reach is anticipated to significantly contribute to the advancement of '2510's clinical development.

Instil Bio is dedicated to the development of innovative therapies, with a primary focus on solid tumors. Their leading asset, AXN-2510, is a unique PD-L1xVEGF bispecific antibody, designed to target and treat multiple solid tumors. The company is driven by a commitment to deliver groundbreaking therapeutic options to patients, aiming to improve outcomes and enhance the quality of life for those affected by challenging cancers.

The progress of '2510 underscores Instil Bio's broader ambition to expand its therapeutic portfolio and address unmet needs in cancer treatment. The collaboration with ImmuneOnco further highlights the company's strategic approach to leveraging partnerships in the pursuit of scientific and clinical breakthroughs.

As the healthcare community awaits the results of the upcoming trials, Instil Bio remains focused on its goal of pioneering new frontiers in cancer therapy, through rigorous clinical research and development. The company's endeavors reflect a dynamic and forward-thinking approach, poised to make significant contributions to the field of oncology.

In summary, the clearance of the IND application for AXN-2510 by the FDA marks a significant milestone for Instil Bio. The anticipated phase 1 trial, along with the ongoing phase 2 study in China, positions the company at the forefront of innovation in cancer treatment. Instil Bio continues to strive for excellence in its efforts to develop novel therapies that can provide meaningful benefits to patients worldwide.

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