...we aimed to evaluate the effectiveness and safety of endostatin combined with PD-1 antibody plus chemotherapy as the first-line treatment for locally advanced or distant metastatic NSCLC with EGFR/ALK-negative….The ORR in patients who had a PD-L1 tumor proportion score (TPS) of < 1%, 1%-49%, ≥ 50%, and unknown were 50%, 50%, 75.0%, and 86.1%, respectively (p = 0.025).