Kailera Therapeutics, Inc. announced today that the first patient has been dosed in a Phase 1 trial of KL-279, a small molecule inhibitor being evaluated for certain advanced solid tumors. The trial will assess the candidate’s safety, tolerability and preliminary efficacy.

The trial’s launch moves Kailera into the clinical stage of development. The company’s CEO called it a significant milestone toward the potential development of a new treatment option for patients with difficult-to-treat cancers.

Enrollment updates and initial trial data will be key milestones for the company.