Improving Survival in Gastric Cancer with Surgery and Chemotherapy
Author Information
Author(s): Grau Juan J, Palmero Ramon, Marmol Maribel, Domingo-Domenech Jose, Monzo Mariano, Fuster Jose, Vidal Oscar, Fondevila Constantino, Garcia-Valdecasas Juan C
Primary Institution: University of Barcelona. Hospital Clinic, Barcelona, Spain
Hypothesis
Has the prognosis for resected gastric cancer patients improved with the introduction of Japanese-style gastrectomy and adjuvant chemotherapy?
Conclusion
Recent years have seen an improvement in the prognosis of resected gastric cancer patients treated with surgery and adjuvant chemotherapy.
Supporting Evidence
- Five-year survival rates improved from 42% to 66% after 1990.
- Adjuvant chemotherapy was administered to 65% of patients after 1990 compared to 18% before.
- Total gastrectomy rates increased from 45% to 56% in the same time frame.
Takeaway
Doctors found that patients with stomach cancer who had surgery and chemotherapy recently lived longer than those who had the same treatments many years ago.
Methodology
The study analyzed the outcomes of 426 gastric cancer patients treated between 1975 and 2002, comparing two time periods before and after 1990.
Potential Biases
Potential biases may arise from the differences in treatment protocols and patient selection over the years.
Limitations
The study is retrospective and may be subject to biases related to historical treatment practices.
Participant Demographics
The study included 426 non-metastatic gastric cancer patients, with a male/female ratio of approximately 2:1.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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