Adjuvant chemotherapy in gastric cancer: 5-year results of a randomised study by the Italian Trials in Medical Oncology (ITMO) Group
2002
up of 66 months (range 2–83), the 5-year overall survival (OS) was 52% in the treatment arm and 48% in the control arm [hazard ratio (HR) 0.93; 95% confidence interval (CI) 0.65–1.34]; the 5-year diseasefree survival (DFS) was 49% and 44%, respectively (HR: 0.83; 95% CI 0.59–1.17). Among the patients with N–/N+ (1–6), the 5-year OS was 61% in the treatment group and 60% in the control group; in those with N+ (1–6), it was 42% and 22%. The treatment was completed by 87% of patients. Drug-related grade 3/4 WHO toxicities included leukopenia (21%), nausea and vomiting (14%), mucositis (9%), neutropenia (3%) and thrombocytopenia (2%). There were two deaths due to sepsis. Conclusions: Although our results are not statistically significant, there was a limited relative risk reduction in the patients receiving adjuvant therapy (17% in DFS and 7% in OS). The data suggest that D2 surgery may have a favourable impact on OS.
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