A Phase III, Randomised, Double-blind, Placebo-controlled, Multicentre, International Study of Durvalumab Plus Domvanalimab(AB154) in Participants With Locally Advanced (Stage III), Unresectable Non-small Cell Lung Cancer Whose Disease Has Not Progressed Following Definitive Platinum-based Concurrent Chemoradiation Therapy

INCLUSION CRITERIA: 1. Participant must be ≥ 18 years at the time of screening. 2. Histologically- or cytologically-documented NSCLC and have been treated with concurrent CRT for locally advanced, unresectable (Stage III) disease 3. Provision of a tumour tissue sample obtained prior to CRT 4. Documented tumour PD-L1 status ≥ 1% by central lab 5. Documented EGFR and ALK wild-type status (local or central). 6. Patients must not have progressed following definitive, platinum-based, concurrent chemoradiotherapy 7. Participants must have received at least 2 cycles of platinum-based chemotherapy co…