Advances in Gastric Cancer and Peritoneal Diseases

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Gastroenterology & Hepatopancreatobiliary Medicine".

Deadline for manuscript submissions: 25 September 2025 | Viewed by 1202

Special Issue Editor


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Guest Editor
Department of Surgery, Jichi Medical University, Tochigi 329-0498, Japan
Interests: gastric cancer; peritoneal disease; conversion surgery; intraperitoneal chemotherapy; potential biomarker

Special Issue Information

Dear Colleagues,

Peritoneal disease can be the most frequent type of metastasis and site of recurrence in patients with advanced gastric cancer. This being the case, treatments of peritoneal disease should be the key for the improvement of prognoses for these patients. For years, we have focused on Stage IV gastric cancer with peritoneal disease. The intraperitoneal administration of paclitaxel (IP-PTX) has a great medical advantage in controlling peritoneal lesions and can be combined with various systemic chemotherapies.

Hyperthermic intraperitoneal chemotherapy (HIPEC), combined with cytoreductive surgery, has been tried for patients with PM of GC mainly in Western countries. These aggressive treatments have not resulted in significant survival benefits in GC patients with PM. Since the intraperitoneal administration of anticancer drugs can induce an extremely high concentration of drugs in the peritoneal cavity, intraperitoneal chemotherapy would appear to be a reasonable and promising strategy with which to control peritoneal dissemination.

This Special Issue aims to highlight the current knowledge on gastric cancer and peritoneal diseases and underline possible diagnostic as well as therapeutic repercussions in gastric cancer and peritoneal diseases.

Dr. Shin Saito
Guest Editor

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Keywords

  • gastric cancer
  • peritoneal disease
  • conversion surgery
  • intraperitoneal chemotherapy
  • potential biomarker

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Published Papers (1 paper)

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Research

22 pages, 2249 KiB  
Article
Gastric Adenocarcinomas with CDX2 Induction Show Higher Frequency of TP53 and KMT2B Mutations and MYC Amplifications but Similar Survival Compared with Cancers with No CDX2 Induction
by Ioannis A. Voutsadakis
J. Clin. Med. 2024, 13(24), 7635; https://doi.org/10.3390/jcm13247635 - 15 Dec 2024
Cited by 1 | Viewed by 795
Abstract
Background: Gastric cancer is one of the most prevalent gastrointestinal cancers. Mortality is high, and improved treatments are needed. A better understanding of the pathophysiology of the disease and discovery of biomarkers for targeted therapies are paramount for therapeutic progress. CDX2, a [...] Read more.
Background: Gastric cancer is one of the most prevalent gastrointestinal cancers. Mortality is high, and improved treatments are needed. A better understanding of the pathophysiology of the disease and discovery of biomarkers for targeted therapies are paramount for therapeutic progress. CDX2, a transcription factor of hindgut specification, is induced in several gastric cancers, especially with intestinal differentiation, and could be helpful for defining sub-types with particular characteristics. Methods: Gastric cancers with induced CDX2 mRNA expression were identified from the gastric cohort of The Cancer Genome Atlas (TCGA) and were compared with cancers that had no CDX2 mRNA induction. Induced CDX2 mRNA expression was defined as mRNA expression z-score relative to all samples above 0, and non-induced CDX2 mRNA expression was defined as mRNA expression z-score relative to all samples below −1. Results: Patients with gastric cancers with CDX2 mRNA induction were older, had less frequently diffuse histology, and more often had mutations in TP53 and KMT2B and amplifications in MYC. CDX2 induction was correlated with HNF4α induction and was reversely correlated with SOX2. Gastric cancers with CDX2 mRNA induction showed lower PD-L1 expression than cancers with lower CDX2 expression but did not differ in CLDN18 mRNA expression. Progression-free and overall survival of the two groups was also not significantly different. Conclusion: Gastric cancers with CDX2 mRNA induction displayed specific characteristics that differentiate them from cancers with no CDX2 induction and could be of interest for optimizing current and future therapies. Full article
(This article belongs to the Special Issue Advances in Gastric Cancer and Peritoneal Diseases)
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