HER2-positive gastric cancer
1Department of Clinical Oncology, St. Marianna University School of Medicine, 2-16-1 Sugao Miyamae-ku, Kawasaki, Kanagawa, Japan, n.boku@marianna-u.ac.jp.
Summary
Human epidermal growth factor receptor 2 (HER2) targeted therapies, like trastuzumab, show promise for HER2-positive gastric cancer. Ongoing research explores optimal use and new anti-HER2 drugs for improved patient outcomes.
Area of Science:
- Oncology
- Molecular Biology
Background:
- Human epidermal growth factor receptor 2 (HER2) is implicated in gastric cancer pathogenesis and prognosis.
- Trastuzumab, a targeted therapy, has demonstrated efficacy in HER2-positive breast cancer.
Purpose of the Study:
- To review the role of HER2 in gastric cancer.
- To evaluate the efficacy of trastuzumab in HER2-positive gastric cancer.
- To discuss future anti-HER2 therapies for gastric cancer.
Main Methods:
- Review of HER2 detection and prognostic relevance in gastric cancer.
- Analysis of pivotal clinical trials investigating trastuzumab for gastric cancer.
- Summary of ongoing and future clinical trials for anti-HER2 agents.
Main Results:
- Trastuzumab has established "HER2-positive gastric cancer" as a distinct entity.
- Clinical trials support the use of trastuzumab in HER2-positive gastric cancer.
- Further research is exploring optimal treatment strategies and novel anti-HER2 drugs.
Conclusions:
- HER2-targeted therapy, exemplified by trastuzumab, offers a significant advancement in treating HER2-positive gastric cancer.
- The development of new anti-HER2 drugs is expected to expand treatment options and improve survival for patients with HER2-positive gastric cancer.

