Innovative pathological and therapeutic approaches for poorly cohesive gastric cancer - Report - MDSpire
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Novel diagnostic and treatment strategies for poorly cohesive gastric cancer

  • By

  • Margherita Muratore

  • Francesco Giulio Sullo

  • Alessandro Bittoni

  • Lina Cardisciani

  • Martina Valgiusti

  • Giulia Bartolini

  • Luca Esposito

  • Chiara Molinari

  • Richard Camara

  • Alessandro Passardi

  • August 25, 2026

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Clinical Report: Novel diagnostic and treatment strategies for poorly cohesive gastric cancer

Overview

Poorly cohesive gastric cancer (PCGC) is a distinct subtype characterized by diffuse growth and poor prognosis. This review highlights emerging targeted therapies and advanced diagnostic technologies.

Background

PCGC presents significant clinical challenges due to its aggressive nature and unfavorable outcomes compared to other gastric cancer subtypes. The lack of established treatments specific to PCGC is noted. Recent advancements in molecular profiling and targeted therapies are discussed.

Data Highlights

No specific numerical data or trial results were provided in the source material.

Key Findings

  • PCGC is defined by discohesive malignant cells and significant intratumoral heterogeneity.
  • Current treatment primarily involves systemic chemotherapy, which has limited efficacy in PCGC.
  • Emerging molecular targets include HER2, PD-L1, CLDN18.2, FGFR2b, and TROP2.
  • Novel therapies such as antibody-drug conjugates and bispecific antibodies are being explored.
  • Advancements in digital pathology and multi-omics may enhance diagnostic accuracy.

Clinical Implications

Pathologists play a crucial role in identifying actionable biomarkers that can guide targeted therapies.

Conclusion

Further validation of innovative therapeutic approaches and advanced diagnostic technologies is required.

Related Resources & Content

  1. Gastric Cancer — Guidelines for Systemic Management of Gastric Cancer in Germany, Austria, and Switzerland, 2023
  2. Novel Targeted Therapy Combination May Be an Effective First-Line Option for Gastric or Gastroesophageal Junction Adenocarcinoma, The ASCO Post, 2023
  3. Exploring the Feasibility of Conversion Therapy in Stage IV Gastric Cancer: Introducing Novel Biological Classification Categories, 2015
  4. Optimizing immunotherapy in advanced gastric cancer: established and emerging biomarkers for precision patient selection, Frontiers in Immunology, 2026
  5. NCCN Gastric Cancer Version 2.2025, pubmed.ncbi.nlm.nih.gov, 2023
  6. New First-Line Targeted Therapy Recommendations Among Updated ASCO Guidance on Gastroesophageal Cancer Management
  7. Japanese gastric cancer treatment guidelines 2025 (7th edition)
  8. Management of gastric cancer peritoneal metastasis: International Gastric Cancer Association GCPM Working Group consensus statements
  9. pubmed.ncbi.nlm.nih.gov
  10. KEYNOTE-585 Fails While Matterhorn Succeeds in Gastric Cancer: What Lessons Can We Learn? | Journal of Clinical Oncology
  11. Consensus guideline for the management of gastric cancer with synchronous peritoneal metastases - Butensky - 2025 - Cancer - Wiley Online Library

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