Tislelizumab Treatment And Quality Of Life In Lung Cancer Patients Overview In the Phase 3 trial RATIONALE-303 (NCT03358875), the study evaluated the health-related quality of life (HRQoL) among patients with advanced non-small cell lung cancer (NSCLC) who were treated with either tislelizumab or docetaxel. The assessment utilized three measurement instruments: EORTC QLQ-C30,