...receive docetaxel (75mg/m2, day 1) plus sintilimab (200mg, day 3) every 3 weeks for 4-6 cycles...Median DOR was 6.46 months (95% 1.28, NA). Median TTR (Time to Response) was 3.89 months (95% 1.61, 4.99)….the first study of a PD-1 inhibitor plus chemotherapy in advanced Chinese NSCLC patients who had failed first-line standard therapy. The encouraging efficacy and tolerable safety profile suggest a potential role of this combination in second-line setting.