Oral capecitabine with i.v. oxaliplatin is a feasible combination regimen that shows promising antitumor activity in patients with colorectal cancer. There is an ongoing, phase II study to further characterize the safety and efficacy of this combination as first-line therapy for metastatic colorectal cancer, using the recommended dose identified in this study.
The addition of oral capecitabine to docetaxel improves response rate, time to progression (TTP) and overall survival in anthracycline-pretreated metastatic breast cancer (MBC). This phase II study evaluates the efficacy and safety of a 21-day cycle of oral capecitabine (1000 mg m À2 twice daily, days 1 -14) plus i.v. paclitaxel (175 mg m À2 , day 1) in anthracycline-pretreated advanced/ MBC. In all, 73 patients were enrolled at 13 Swedish and Spanish centres. The objective response rate was 52% (95% confidence interval (CI): 40 -63%) in the intent-to-treat population, including complete responses in 11%. Disease was stabilised in a further 29%. The median time to disease progression (TTP) was 8.1 months and the median overall survival was 16.5 months. The combination was generally well tolerated with a predictable safety profile. The most common treatment-related nonhaematological adverse events were hand -foot syndrome (42%), alopecia (30%) and diarrhoea (26%). The only treatment-related Grade 3/4 adverse events occurring in 45% of patients were alopecia (22%) and hand -foot syndrome (11%). Grade 3/4 neutropenia and lymphocytopenia were reported in 12 and 14% of patients, respectively. Capecitabine plus paclitaxel is highly active with a favourable safety profile in anthracycline-pretreated MBC.
on behalf of the Spanish Breast Cancer Cooperative Group SOLTI Abstract Purpose: To determine the recommended dose, cardiac safety, and antitumor activity of nonpegylated liposomal doxorubicin (TLC-D99), paclitaxel, and the anti-HER-2 monoclonal antibody trastuzumab in patients with HER-2-overexpressing locally advanced nonoperable breast cancer (LABC) and metastatic breast cancer (MBC). Experimental Design: Women with measurable, previously untreated, HER-2-overexpressing LABC and MBC with a baseline left ventricular ejection fraction (LVEF) >50% received weekly trastuzumab in combination with escalating doses of weekly paclitaxel and TLC-D99 every 3 weeks for 6 cycles. LVEF monitoring was done every 3 weeks for the first 18 weeks and every 8 weeks thereafter. Results: Sixty-nine patients participated, 15 in the dose escalating part and 54 at the recommended phase II dose (28 patients with LABC and 26 patients with MBC).The recommended doses of TLC-D99 and paclitaxel were 50 mg/m 2 every 3 weeks and 80 mg/m 2 /wk, respectively. Twelve (17%) patients developed asymptomatic declines in LVEF. In 8 of these patients, LVEF recovered to z50% after a median time of 9 weeks (range, 3-38 weeks). In the rest of patients, LVEF ranged from 44% to 49%. No patients developed symptomatic cardiac heart failure. The overall response rate was 98.1% (95% confidence interval, 90.1-99.9) with a median time to progression not reached in LABC and of 22.1months (95% confidence interval,3) in MBC patients. Conclusions: Nonpegylated doxorubicin, paclitaxel, and trastuzumab combination is safe, does not result in clinically manifest cardiac toxicity, and has a high rate of durable responses in HER-2-overexpressing breast cancer patients. Further exploration of this combination is warranted.
A moderate incidence of HFS was reported in patients treated with capecitabine, which generally presented late and required dose reduction in < 1/3 of patients. The results suggest that capecitabine may be useful in combination with standard fluorouracil-based regimens in patients with advanced and/or metastatic gastric cancer with favourable safety profile.
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