The Comparative Study on Rh-Endostatin (Endostar®) Continuous Intravenous Infusion and Routine i.v in Combination With GP Regimens for Phase III B/IV Squamous Cell Lung Cancer and Biological Markers Exploration.

Endostar,7.5mg/m2, continuous intravenous infusion for 14 days each cycle, 21 days as one cycle, 4 cycles in total.

Endostar,7.5mg/m2, routine intravenous infusion 3-4 hours daily each cycle,21 days as one cycle, 4 cycles in total

Gemcitabine,1000-1250mg/m2,i.v d1,d8 in each cycle,21 days as one cycle, 4 cycles in total

Cisplatin,75mg/m2,i.v d1 or d1-3 in each cycle,21 days as one cycle, 4 cycles in total