Publications by authors named "L Esparza-Guerra"

Background: Limited clinical data are available regarding the safety of docetaxel in metastatic breast cancer patients with liver dysfunction.

Methods: Eligible patients had breast cancer with impaired liver function secondary to hepatic metastases and were candidates for docetaxel therapy. They were assigned to one of five groups on the basis of total bilirubin, alanine aminotransferase, aspartate aminotransferase, and alkaline phosphatase levels.

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Purpose: In Phase I, the purpose was to determine the maximum tolerated dose and pharmacokinetics of docetaxel plus cyclophosphamide (DC) with and without granulocyte colony-stimulating factor in the treatment of patients with solid tumors. For Phase II, the purpose was to determine the safety and efficacy of this combination as first-line treatment in patients with metastatic breast cancer (MBC).

Experimental Design: In Phase I (45 patients), docetaxel was escalated from 60 mg/m(2) to 85 mg/m(2), and cyclophosphamide from 600 mg/m(2) to 800 mg/m(2).

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Liposomal annamycin (L-AN) has shown antitumor activity in preclinical studies. It may selectively target tumors and bypass MDR-1 resistance. A total of 13 women with doxorubicin-resistant breast cancer were treated on this phase II study.

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Annamycin is a highly lipophilic anthracycline with the ability to bypass the MDR-1 mechanism of cellular drug resistance. In this phase I study, annamycin entrapped in liposomes was administered by a 1- to 2-h intravenous infusion at 3-week intervals. Thirty-six patients with relapsed solid tumors were treated and 109 courses were administered at doses ranging from 3 to 240 mg/m2.

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