科研之友
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摘要
The fluoropyrimidine and platinum-based combination chemotherapy is now widely used as first-line therapy for advanced gastric cancer (AGC). Unfortunately, about half of all patients do not respond to the current first-line chemotherapy and furthermore, most patients who achieve response to first-line chemotherapy eventually experience disease progression. Although there is a need for effective salvage treatment after the failure of first-line chemotherapy, data on the safety and efficacy of second-line treatment in AGC is limited. The current study evaluated an experimental combination regimen of docetaxel (60 mg/m(2)) as an intravenous infusion of less than 1 h, followed by oxaliplatin (130 mg/m(2)) intravenously for less than 2 h. Both drugs were administered on day 1 of a 21-day cycle, in pretreated Chinese patients with AGC. The trial enrolled 48 patients of whom 46 (95.8%) were assessable for response. The median time to progression was 4.4 months (95% confidence interval (CI): 3.4-5.4 months) and the median overall survival was 7.2 months (95% CI: 6.6-12.1 months). Partial response was confirmed in 11 of 48 cases (22.9%; 95% CI: 10.9-34.9%) and no complete responses were seen. Significant hematologic toxicity was noted with grade 3 and grade 4 neutropenia occurring in 21.7 and 4.3% of patients, respectively, as well as grade 3 thrombocytopenia occurring in 4.3% of patients. Grade 3 febrile neutropenia occurred in 6.5% of the patients. There were no treatment-related deaths during on the study. In summary, docetaxel and oxaliplatin have modest activity with predictable hematologic toxicity when given as salvage therapy for Chinese patients treated earlier for AGC. Given the short duration of response more focus should be given to newer biologic agents and triplet regimens.
