PURPOSE: Gemcitabine (GEM) and vinorelbine (VNR) are both active against advanced breast cancer (ABC), being able to induce a median ORR of 25% and 40%, respectively. Because of their different mechanism of action and good tolerability, the combination of GEM and VNR has been tested in ABC. PATIENTS AND METHODS: Twenty-nine ABC patients pretreated with anthracycline-taxane were treated with GEM 1000 mg/m2 on day 1, 8, 15, and VNR 25 mg/m2 on day 1 and 8 every twenty-eight days. Analysis of toxicity pattern, response rate, TTP and OS were carried out. RESULTS: Twenty-nine patients were enrolled into the trial. The ORR was 48% (95% CI: 29-67): a CR was observed in three patients (10%; 95% CI: 2-27), while eleven patients (38%; 95 CI: 21-58) achieved PR, eight (28%) had a SD, and seven (24%) progressed. Toxicity was mainly hematological and included: grade 3 leukopenia in 48% of cases without episodes of neutropenic fever, grade 3-4 thrombocytopenia in 10%, and grade 2 anemia in 7%. Non-hematological toxicities were mild and rather infrequent. CONCLUSIONS: The GEM-VNR combination seems to be active in pretreated ABC with an acceptable toxicity pattern, and may well reppresent an interesting therapeutic choice after anthracycline/taxane regimens.
PURPOSE:Gemcitabine (GEM) and vinorelbine (VNR) are both active against advanced breast cancer (ABC), being able to induce a median ORR of 25% and 40%, respectively. Because of their different mechanism of action and good tolerability, the combination of GEM and VNR has been tested in ABC. PATIENTS AND METHODS: Twenty-nine ABC patients pretreated with anthracycline-taxane were treated with GEM 1000 mg/m2 on day 1, 8, 15, and VNR 25 mg/m2 on day 1 and 8 every twenty-eight days. Analysis of toxicity pattern, response rate, TTP and OS were carried out. RESULTS: Twenty-nine patients were enrolled into the trial. The ORR was 48% (95% CI: 29-67): a CR was observed in three patients (10%; 95% CI: 2-27), while eleven patients (38%; 95 CI: 21-58) achieved PR, eight (28%) had a SD, and seven (24%) progressed. Toxicity was mainly hematological and included: grade 3 leukopenia in 48% of cases without episodes of neutropenic fever, grade 3-4 thrombocytopenia in 10%, and grade 2 anemia in 7%. Non-hematological toxicities were mild and rather infrequent. CONCLUSIONS: The GEM-VNR combination seems to be active in pretreated ABC with an acceptable toxicity pattern, and may well reppresent an interesting therapeutic choice after anthracycline/taxane regimens.
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