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Emerging Therapeutic Targets and Future Directions in Advanced Gastric Cancer: A Comprehensive Review
Margherita Ratti1, Elena Orlandi1, Ilaria Toscani1
1Oncology and Hematology Department, Piacenza General Hospital, Via Taverna 49, 29121 Piacenza, Italy.
Abstract:
Metastatic gastric cancer (GC) still represents a critical clinical challenge, with limited treatment options and a poor prognosis. Most patients are diagnosed at advanced stages, limiting the chances of surgery and cure. The identification of molecular targets and the possibility of combining immune checkpoint inhibitors with chemotherapy have recently reshaped the therapeutic landscape of metastatic gastric cancer. The new classification of gastric cancer, mainly based on immunologic and molecular criteria such as programmed cell death 1 (PD-1), microsatellite instability (MSI), and human epidermal growth factor receptor 2 (HER2), has made it possible to identify and differentiate patients who may benefit from immunotherapy, targeted therapy, or chemotherapy alone. All relevant and available molecular and immunological targets in clinical practice for the systemic treatment of this disease are presented. Particular attention is given to possible future approaches, including circulating tumor DNA (ctDNA) for therapeutic monitoring, new targeting agents against molecular pathways such as fibroblast growth factor receptor (FGFR) and MET, chimeric antigen receptor (CAR)-T cells, and cancer vaccines. This review aims to provide a comprehensive understanding of current targets in advanced gastric cancer and to offer valuable insights into future directions of research and clinical practice in this challenging disease.
Insights
Advanced gastric cancer (GC) treatment is improving with new molecular and immunologic targets. Personalized therapies, including immunotherapy and targeted agents, offer better outcomes for patients with metastatic disease.
Area of Science:
- Oncology
- Gastroenterology
- Immunology
Background:
- Metastatic gastric cancer (GC) presents a significant clinical challenge with limited therapeutic options and poor prognosis.
- Late-stage diagnosis often precludes curative surgical intervention.
- Recent advances in understanding molecular and immunological criteria are reshaping treatment strategies.
Purpose of the Study:
- To review current molecular and immunological targets for systemic treatment of metastatic gastric cancer.
- To highlight recent advancements and future directions in gastric cancer therapy.
- To provide a comprehensive understanding of therapeutic options for advanced GC.
Main Methods:
- Review of current clinical practice guidelines and literature.
- Analysis of immunologic and molecular classifications of gastric cancer.
- Discussion of established and emerging therapeutic targets and agents.
Main Results:
- Gastric cancer classification now incorporates programmed cell death 1 (PD-1), microsatellite instability (MSI), and human epidermal growth factor receptor 2 (HER2) status.
- Immune checkpoint inhibitors combined with chemotherapy have improved outcomes.
- Personalized treatment strategies based on molecular profiles are becoming standard.
Conclusions:
- The identification of specific molecular and immunological targets allows for personalized treatment selection in advanced gastric cancer.
- Future approaches like circulating tumor DNA (ctDNA) monitoring, novel targeted agents (FGFR, MET), CAR-T cells, and cancer vaccines hold promise.
- A comprehensive understanding of current and future therapeutic strategies is crucial for improving patient outcomes in metastatic GC.
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