%0 Journal Article %T Irinotecan plus S-1 versus S-1 in patients with previously treated recurrent or metastatic esophageal cancer (ESWN 01): a prospective randomized, multicenter, open-labeled phase 3 trial %A Binghe Xu %A Changwu Ma %A Chunhong Hu %A Jie Li %A Jifeng Feng %A Jing Huang %A Junxing Huang %A Lin Wu %A Lu Wen %A Ping Lu %A Qingxia Fan %A Shu Zhang %A Xi Wang %A Xianglin Yuan %A Yi Ba %A Ying Cheng %A Ying Liu %A Yuxian Bai %J Archive of "Cancer Communications". %D 2019 %R 10.1186/s40880-019-0359-7 %X The online version of this article (10.1186/s40880-019-0359-7) contains supplementary material, which is available to authorized users %K Esophageal squamous cell carcinoma %K Recurrent %K Metastasis %K Multicenter %K open-label %K randomized trial %K Irinotecan %K S-1 %K Overall survival %K Progression-free survival %K Objective response rate %K Disease control rate %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6444575/