Immune checkpoint inhibitors for treatment of advanced gastric or gastroesophageal junction cancer: Current evidence and future perspectives

Chinese Journal of Cancer Research = Chung-kuo Yen Cheng Yen Chiu
Zhening ZhangZhi Peng

Abstract

Despite the application of conventional therapies, the prognosis of advanced gastric cancer (GC) or gastroesophageal junction cancer (GEJC) is still poor. In recent years, immune checkpoint inhibitors (ICIs) have reshaped the paradigm of cancer therapy. Emerging evidence support the feasibility of programmed cell death-1 (PD-1) and its ligand (PD-L1) inhibition in chemo-refractory GC/GEJC. Nivolumab and pembrolizumab have initially been approved in Japan and United States, respectively for the third-line treatment of progressive GC or GEJC. In March 2020, nivolumab has also been licensed in China for treating advanced GC/GEJC who received ≥2 lines of systemic therapies. Current studies are moving forward to the first-line application or focusing on combination strategies, though data are insufficient and disputable. In this review, we summarize the recently reported and ongoing clinical trials in ICIs for advanced GC/GEJC. Molecular characteristics and clinical implications of different tumor subtypes are also reviewed. We further discuss the safety profile and biomarkers for predicting the response of ICIs, which has guiding values in clinical practice.

Clinical Trials Mentioned

NCT01928394
NCT02335411
NCT02915432
NCT02340975
NCT02999295
NCT02734004
NCT02864381
NCT02689284
NCT01585987
NCT02746796

Software Mentioned

ATTRACTION
MEDIOLA

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