在FGFR2b+≥10%的患者中疗效更加显著,PFS HR=0.43,OS HR=0.52,ORR 56.5%vs36.5%。在东亚人群的亚组分析中观察到更好的生存获益:mPFS为12.9vs8.2个月(HR=-.50),mOS为24.7vs12.9个月(HR=0.56)。安全性方面,角膜相关的不良反应是试验组治疗中断的主要原因,III期研究引入了眼部润滑剂和眼睑清洁的预防方案,有望降低相关毒性(来源: Zev A. Wainberg等,Bemarituzumab as first-line treatment for locally advanced or metastatic gastric/gastroesophageal junction adenocarcinoma: final analysis of the randomized phase 2 FIGHT trial , Gastric Cancer. , Yoon-Koo Kang 等,Bemarituzumab plus mFOLFOX6 as first-line treatment in East Asian patients with FGFR2b-overexpressing locally advanced or metastatic gastric/gastroesophageal junction cancer: subgroup of FIGHT final analysis. Gastric Cancer.)。