科研之友
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摘要
A combination of trastuzumab and cisplatin or trastuzumab and capecitabine has been confirmed to be effective for treating adverse effects in with HER2-positive advanced gastric cancer (AGC) patients. We retrospectively compared the activity and safety of trastuzumab plus cisplatin (HP) and trastuzumab plus capecitabine (HX) for elderly HER2-positive AGC patients.Ninety two HER2-positive AGC patients were included in this study; of those 48 patients received trastuzumab (course 1, 8mg/kg followed by course 2, onward, 6mg/kg on day 1) plus cisplatin (60mg/m(2)) intravenously on day 1 of a 3-week cycle and 44 patients received trastuzumab (course 1, 8mg/kg; course 2 onward, 6mg/kg) plus intravenous oral capecitabine (1000mg/m(2) twice daily on days 1-14), every 3 weeks. The primary end point was overall survival (OS). The secondary end points included objective response rate (ORR), progression-free survival (PFS), and toxicity.The median age was 71 years in both groups. The median OS was 15.5 months in the HP group and 17.0 months in the HX group, with no significant difference between the 2 groups (P=0.78). There were also no significant differences in PFS (median 6.6 months vs 7.2 months, respectively; P=0.90) and ORR (58.3% vs 59.1%, respectively; P=1.00) between the HP group and the HX group. The major grade 3 or 4 adverse events in the HP group and the HX group were neutropenia (35.4% vs 29.5%, respectively), followed by anorexia (25.0% vs 22.7%, respectively), and anemia (16.7% vs 13.6%, respectively), no significant differences were observed.HP and HX were associated with similar efficacy and safety in HER2-positive AGC patients.
