期刊
SUPPORTIVE CARE IN CANCER
卷 17, 期 8, 页码 1065-1070出版社
SPRINGER
DOI: 10.1007/s00520-008-0545-7
关键词
Aprepitant; Breast cancer; Nausea; Vomiting; Antiemetic
资金
- Merck
To assess the efficacy of adding aprepitant to a 5-HT3 antagonist and dexamethasone as salvage antiemetic therapy for breast cancer patients receiving their initial cycle of an anthracycline and cyclophosphamide (AC) and failing to achieve complete control of emesis. Eligibility: breast cancer patients receiving their first cycle of AC. Treatment: standard dose of a 5-HT3 antagonist and dexamethasone 8-10 mg IV/PO on day 1 prior to cycle 1 of AC and dexamethasone 4 mg bid on days 2 and 3. Patients without complete control (no emesis, no nausea, or rescue antiemetics) during cycle 1 could proceed to cycle 2. During cycle 2, patients received AC and identical antiemetics (except dexamethasone 4 mg qd on days 2 and 3) plus aprepitant 125 mg PO day 1 and 80 mg PO days 2 and 3. Primary endpoint: complete control, 0-120 h after chemotherapy. Sixty-two patients received cycle 1 of AC. Complete control cycle 1: 13 patients (21%; 95%CI, 12-33%). Of the 49 patients eligible for cycle 2, four elected not to continue on study. Of the 45 patients receiving cycle 2, 44 were evaluable. Complete control and complete response (no emesis, no rescue) for the 5-day study period improved from 0% to 18% (p = 0.14) and 7% to 36% (p = 0.02) on cycles 1 and 2, respectively. In breast cancer patients receiving AC, the addition of aprepitant to a 5-HT3 antagonist and dexamethasone during cycle 2 of treatment improved antiemetic outcome. Although the improvement in the primary endpoint of complete control during cycle 2 was not significant, all secondary endpoints such as complete response and no emesis rates were significantly better during cycle 2. The extent of antiemetic control during cycle 2 was numerically inferior to the results achieved in a phase III trial employing aprepitant with cycle 1 of AC chemotherapy, suggesting that the preferred approach is to include aprepitant with the initial cycle of AC chemotherapy.
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