Lilly to acquire Scorpion Therapeutics’ mutant-selective PI3Kα inhibitor program

“PI3Kα mutations occur in a meaningful proportion of hormone-positive breast cancers, and there is significant unmet need for new treatment options that effectively and safely target this pathway,” said Jacob Van Naarden, executive vice president and president of Lilly Oncology. “The selectivity profile of STX-478 has led to a differentiated clinical profile, enabling use in combinations with standard-of-care therapies to potentially deliver meaningful impact in earlier treatment settings when there is the best opportunity to improve outcomes for patients. We look forward to leveraging the great work of the Scorpion team to date, along with Lilly’s deep expertise in breast cancer, to further advance STX-478 with speed and focus.”

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