What’s New in Gastric Cancer: The Therapeutic Implications of Molecular Classifications and Future Perspectives
2018
Giuseppe Tirino | Luca Pompella | Angelica Petrillo | Maria Maddalena Laterza | Annalisa Pappalardo | Marianna Caterino | Michele Orditura | Fortunato Ciardiello | Gennaro Galizia | Ferdinando De Vita
Despite some remarkable innovations and the advent of novel molecular classifications the prognosis of patients with advanced gastric cancer (GC) remains overall poor and current clinical application of new advances is disappointing. During the last years only Trastuzumab and Ramucirumab have been approved and currently used as standard of care targeted therapies, but the systemic management of advanced disease did not radically change in contrast with the high number of molecular drivers identified. The Cancer Genome Atlas (TCGA) and Asian Cancer Research Group (ACRG) classifications paved the way, also for GC, to that more contemporary therapeutic approach called “precision medicine” even if tumor heterogeneity and a complex genetic landscape still represent a strong barrier. The identification of specific cancer subgroups is also making possible a better selection of patients that are most likely to respond to immunotherapy. This review aims to critically overview the available molecular classifications summarizing the main druggable molecular drivers and their possible therapeutic implications also taking advantage of new technologies and acquisitions.
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