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This site is intended only for Healthcare Professionals who are interested in the management of gastric cancer and/or gastro-oesophageal junction cancers.

I AM NOT A HEALTHCARE PROFESSIONAL BUT WOULD LIKE MORE INFORMATION ON GASTRIC/GASTRO-OESOPHAGEAL JUNCTION CANCERS

This website is a educational scientific resource, funded and developed by Astellas Pharma Ltd.
MAT-PL-NON-2025-00052 | Wrzesień 2025

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CLDN18.2 resources

Download additional resources to learn more about how to consistently test, interpret, and report CLDN18.2 in G/GEJ cancer.

CLDN18.2 Reporting Template

Download the guidance from our expert committee.

Global RING Trial Poster

Global Ring Study Determining Reproducibility and Comparability of CLDN18 Testing in Gastric Cancer

IHC Assay Guide

Explore our expert-recommended IHC Implementation Guide to help you set up a new biomarker assay in your lab.

CLDN18.2 Biomarker Guide

Explore the role of CLDN18.2 in gastric and gastroesophageal junction (GEJ) cancer, with expert guidance on immunohistochemical staining and result interpretation for clinical practice.

CLDN18.2 Pathologist Training Guide

Explore key principles of CLDN18.2 staining and interpretation to support accurate biomarker assessment in clinical practice.

CLDN18.2 Testing Excellence in Gastric Cancer

Discover expert insights and best practices for CLDN18.2 assessment based on findings from the 2024 QuIP Ring Trial in gastric and gastroesophageal junction adenocarcinomas.

Understanding CLDN18.2 in Gastric Cancer and GEJ (PL)

Explore expert guidance on the interpretation of CLDN18.2 staining to support accurate biomarker assessment in gastric and gastroesophageal junction adenocarcinomas.

CLDN18.2 IHC Implementation Guide

A step-by-step guide to implementing CLDN18.2 immunohistochemistry testing, including assay setup, validation considerations, and laboratory best practices.

MAT-PL-NON-2026-00041