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Invest New Drugs. 2008 Aug;26(4):363-8. doi: 10.1007/s10637-007-9110-3. Epub 2007 Dec 29.

Biweekly administration of gemcitabine and cisplatin chemotherapy in patients with anthracycline and taxane-pretreated metastatic breast cancer.

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Onkoloji Enstitusu, Istanbul Universitesi, Capa, 34390 Istanbul, Turkey.


Gemcitabine and cisplatin are the active agents in metastatic breast cancer pretreated with anthracycline and/or taxane as a second line treatment. The present study was designed to assess the efficacy and safety of this regimen given biweekly schedule in these patients. Twenty-seven women, median age 57, with metastatic breast cancer previously treated with anthracycline and taxane were eligible for enrollment. Gemcitabine was administered intravenously on days 1 and 15 at a dose of 2,000 mg/m(2) and Cisplatin was given intravenously on day 1 and 15 at a dose of 50 mg/m(2). Treatment cycles were repeated on an outpatient basis every 28 days. Of all 27 evaluable patients, the overall response rate was 26% (7 of 27; 95% CI: 11-46%) with seven all partial responses. The stable diseases were found in 9 (33%) patients. At the time of last follow-up, 11 (41%) of the patients died of their disease progression. The median overall survival duration was 7.4 +/- 2.8 months. The 1-year overall survival rate was 46.9% +/- 12.3. Hematological toxicity was not found as the principal dose-limiting toxicity. Severe (grade III/IV) neutropenia was observed only one (4%) patients. No patient was complicated by febrile neutropenia and G-CSF usage was not performed. Grade III and IV anemia were seen in only 4 (15%) and thrombocytopenia was noted only one (4%) patients. Severe hepatic (n = 2) and renal toxicity (n = 1) were observed and these all recovered completely without complication. Several other severe non-hematological side effects were managed easily. Permanent dose reductions were necessary in 9 (33%) patients and chemotherapy administration was also delayed in 7 (26%) patients because of delayed both hematological and non-hematological toxicity recovery. Treatment was discontinued in one (4%) patient due to severe fatigue and deteriorating performance status. In conclusion, gemcitabine and cisplatin combination therapy with this biweekly schedule and dosage is moderately active and extremely safe in patients with metastatic breast cancer previously treated with anthracycline and taxanes.

[Indexed for MEDLINE]

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