A targeted immunotherapy being developed by iTeos Therapeutics and GSK, it was reported at #ESMO, delivered promising response rates in patients with a type of lung cancer.

Teos Therapeutics (NASDAQ:ITOS) announced Saturday that its experimental cancer doublet therapy developed with GSK (NYSE:GSK) outperformed the British drugmaker’s FDA-approved anti-PD-1 therapy dostarlimab,

Results presented at ESMO showed tumor response rates that matched the bar set by analysts for success. But they may not yet be enough to dispel doubts around TIGIT as a target.

Early data from GSK Plc and iTeos Therapeutics’ mid-stage trial of a lung cancer medicine looks set to renew cautious optimism around a class of immunotherapy drugs that has suffered a series of setbacks.