Description
Primary objective is to measure the change in the levels of circulating tumor DNA (ctDNA) in Cohort 1 (MRD+) due to the addition of Tremelimumab and platinum doublet chemotherapy in subjects with stage III unresectable disease with positive DNA treated with consolidation chemotherapy and immunotherapy.
Secondary Objectives:
To determine the proportion of subjects in Cohort 1 MRD+ for whom ctDNA becomes undetectable after adding chemotherapy and tremelimumab to consolidation durvalumab
To describe compare overall survival (OS) of subjects with baseline detectable ctDNA (Cohort 1 MRD+) vs baseline undetectable ctDNA (Cohort 2 MRD ) ·To compare progression free survival (PFS) between subjects with baseline detectable (Cohort 1 MRD+) vs baseline undetectable ctDNA (Cohort 2 MRD )