A specific combination of targeted therapy and immunotherapy may better help patients with non-small cell lung cancer (NSCLC) overcome inherent immune resistance and reinvigorate anti-tumor activity, according to a new study led by a researcher from The University of Texas MD Anderson Cancer Center.
Results from the Phase II umbrella HUDSON study, published in Nature Medicine, demonstrate that the anti PD-L1 antibody, durvalumab, coupled with the ATR inhibitor, ceralasertib, provides the greatest clinical benefit of four combinations evaluated.
This pair had an objective response rate (ORR) of 13.9% compared to just 2.6% with the other tested combinations. Median progression-free survival (PFS) was 5.8 months versus 2.7 months for other combinations, while median overall survival (OS) was 17.4 months versus 9.4 months. In patients with ATM alterations, which should sensitize tumors to ATR inhibitors, the ORR increased to 26.1%. Durvalumab-ceralasertib had a manageable safety profile.
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