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Updated: Aug 23, 2025

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT
Published on: January 22, 2018
[Advances in Treatment of Human Epidermal Growth Factor Receptor 2-Positve Gastric Cancer]
Xiao-Qian Wu1, Yu-Ping Ge1, Xiao-Lei Gong1
1Department of Medical Oncology,PUMC Hospital,CAMS and PUMC,Beijing 100730,China.
Abstract:
Gastric cancer ranks as the fifth most common malignant tumor worldwide and the fourth leading cause of cancer-related deaths.Human epidermal growth factor receptor 2 (HER2)-positive gastric cancer is a special type of gastric adenocarcinoma,the prognosis of which can be improved by trastuzumab plus cytotoxic chemotherapy such as cisplatin and fluorouracil.Pembrolizumab on the basis of Tmabplus chemotherapy can further improve the overall response rate,which has become the first-line standardized therapy against HER2-positive gastric cancer.However,there are still some obstacles such as the innate resistance to Tmab in specific populations.The research on HER2-targeted therapy provides clues for clinical decision-making.This review documents the current neoadjuvant and adjuvant therapies against late-stage HER2-positive gastric cancer,as well as the progress in novel HER2 pathway-targeted drugs.
Insights
Human epidermal growth factor receptor 2 (HER2)-positive gastric cancer treatment has advanced with trastuzumab and pembrolizumab therapies. Research continues to address resistance and explore novel HER2-targeted drugs for improved patient outcomes.
Area of Science:
- Oncology
- Gastroenterology
- Pharmacology
Background:
- Gastric cancer is a leading cause of cancer mortality globally.
- HER2-positive gastric cancer, a subtype, benefits from trastuzumab combined with chemotherapy.
- Pembrolizumab plus chemotherapy represents a first-line standard for HER2-positive gastric cancer, improving response rates.
Conclusions:
- Advances in HER2-targeted therapy offer improved treatment options for gastric cancer.
- Ongoing research into novel HER2 drugs and resistance mechanisms is crucial.
- Personalized treatment strategies are essential for optimizing outcomes in HER2-positive gastric cancer.
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