Patient must have a performance status of 0-1 (ECOG Performance Scale)
Patient must be a candidate for concurrent chemoradiation
Unresectable Stage III NSCLC as assessed by investigator or multidisciplinary tumor board assessment
PD-L1 tumor expression greater than or equal to 1%
Presence of measurable disease according to RECIST v1.1
Adequate organ function
Available tissue (archival FFPE preferred) with adequate tumor content ( 20% tumor cellularity)
You may not be if
Active autoimmune disease that has requires immunosuppressive therapy in the previous year
Uncontrolled primary or acquired immunodeficiency (including HIV)
Baseline corticosteroid usage (\>10 mg prednisone or equivalent daily) aside from supportive medication use
Tumor with known EGFR, ALK, ROS1, MET or RET mutations/fusions
Presence of significant comorbidities precluding participation in a clinical study as determined by investigator
Prior thoracic radiotherapy or prior systemic treatment for stage IIIB/IV NSCLC
Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the trial, starting with informed consent through 180 days after the last dose of trial treatment
Has a known history of active TB (Bacillus Tuberculosis)
Has known active Hepatitis B or Hepatitis C
Has received a live vaccine within 30 days of enrollment
