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Chemoradiation for resectable gastric cancer.
Henry Q Xiong1, Leonard L Gunderson, James Yao
1Department of Gastrointestinal Medical Oncology at The University of Texas MD Anderson Cancer Center, TX 77030, USA.
The Lancet. Oncology
|August 7, 2003
Summary
Postoperative chemoradiation significantly improves survival for gastric cancer patients after surgery. This approach offers better disease-free and overall survival compared to surgery alone.
Area of Science:
- Surgical Oncology
- Gastrointestinal Oncology
- Radiation Oncology
Background:
- Gastric cancer remains a global health challenge despite declining incidence.
- Complete surgical resection (R0) is the only curative treatment for gastric cancer.
- Optimal lymph node dissection and adjuvant therapies are still debated.
Purpose of the Study:
- To evaluate the efficacy of adjuvant therapies in improving outcomes for resectable gastric cancer.
- To compare postoperative chemoradiation with surgery alone.
- To review the role of preoperative therapies.
Main Methods:
- Analysis of an intergroup study comparing postoperative chemoradiation with surgery alone.
- Review of studies on preoperative radiation and chemotherapy/chemoradiation.
Main Results:
- Postoperative chemoradiation significantly improved 3-year disease-free survival (48% vs 31%, p<0.001) and overall survival (50% vs 41%, p=0.005) versus surgery alone.
- Preoperative radiation improved local-regional control and survival outcomes.
- Preoperative chemotherapy/chemoradiation is feasible but efficacy requires further testing.
Conclusions:
- Postoperative chemoradiation is an effective adjuvant therapy for gastric cancer, improving survival.
- While preoperative therapies show promise, their efficacy needs further clinical validation.
- Further research is needed to establish optimal treatment strategies for gastric cancer.
