Method for providing information on metachronous recurrence of gastric cancer

By measuring the levels of CD8, CD4, and PD-L1 markers in gastric mucosal tissue, the problem of predicting metachronous recurrence of gastric cancer after endoscopic resection of Helicobacter pylori eradication therapy has been solved, enabling early prediction and personalized management, and improving the effectiveness and cost-effectiveness of treatment.

CN122374645APending Publication Date: 2026-07-10IND ACADEMIC COOP FOUND YONSEI UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
IND ACADEMIC COOP FOUND YONSEI UNIV
Filing Date
2024-09-23
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In the current technology, the efficacy of Helicobacter pylori eradication therapy after endoscopic resection in preventing metachronous recurrence of gastric cancer is uncertain, and there is a lack of effective prediction methods, resulting in imperfect follow-up examination strategies.

Method used

By measuring the mRNA or protein levels of CD8, CD4, and PD-L1 markers in gastric mucosal tissue, and using methods such as droplet digital polymerase chain reaction (dd-PCR) and reverse transcription polymerase chain reaction (RT-PCR), the likelihood of metachronous gastric cancer recurrence in an individual can be determined.

Benefits of technology

It provides the possibility of early prediction of gastric cancer recurrence, helps to develop personalized tracking and management strategies, reduces unnecessary examination and treatment costs, and improves treatment outcomes.

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Abstract

This specification provides a method for providing information on metachronous recurrence of gastric cancer, the method comprising: measuring the mRNA or protein level of at least one marker gene among CD8, CD4 and PD-L1 in a biological sample isolated from an individual; and determining the likelihood of metachronous gastric cancer recurrence in an individual based on the measured mRNA or protein level of the marker gene.
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