BRIEF—iTeos earns $35 million in milestones from GSK

8 July 2024

US immune-oncology firm iTeos Therapeutics today announced the dosing of the first patient in GALAXIES Lung-301, a global, randomized, double-blind Phase III registrational clinical trial of belrestotug + dostarlimab versus placebo + pembrolizumab in patients with first-line advanced, unresectable, or metastatic PD-L1 high non-small cell lung cancer (NSCLC).

This event has triggered $35 million in development milestone payments from UK pharma major GSK, its partner for belrestotug.

Under the agreement between the two companies, iTeos received a $625 million upfront payment from GSK with development and regulatory milestones up to $550 million and commercial milestones up to $900 million.

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