• Peter G Rose, Benjamin E Greer, Ira R Horowitz, Maurie Markman, and Nancy Fusco.
• Division of Gynecologic Oncology, Case Western Reserve University, Department of Obstetrics and Gynecology, Cleveland Clinic Foundation, A81, 9500 Euclid Avenue, Cleveland, OH 44195, USA. rosep@ccf.org
• Gynecol. Oncol. 2007 Jan 1; 104 (1): 114-9.

PurposeBased on the activity and tolerability of liposomal doxorubicin in platinum- and paclitaxel-resistant ovarian carcinoma, we conducted a phase I trial of pegylated liposomal doxorubicin with paclitaxel and carboplatin to determine the maximum tolerated dose (MTD) in chemotherapy naive ovarian, peritoneal and tubal carcinoma patients.MethodsThree schedules were studied: paclitaxel, carboplatin and pegylated liposomal doxorubicin every 28 days; paclitaxel and carboplatin every 21 days with liposomal doxorubicin every 42 days; and weekly paclitaxel, carboplatin (AUC=5) every 21 days and liposomal doxorubicin every 42 days. The paclitaxel dose was 175 mg/m(2) over 3 h on an every 3-4 week schedule and 60 mg/m(2) when administered weekly. Based on the frequency of neutropenic sepsis, grade 4 thrombocytopenia and > or =grade 3 non-hematologic toxicity, the starting dose of liposomal doxorubicin of 20 mg/m(2) was escalated to determine the MTD.ResultsA total of 210 (21-day) cycles were administered to 37 patients. Dose-limiting toxicity (DLT) occurred when liposomal doxorubicin was administered at 40 mg/m(2). Because of treatment-related delays resulting in decreased paclitaxel/carboplatin dose intensity, administration was modified to be given every 21 days, with liposomal doxorubicin given every 42 days. Since neutropenia was the DLT of this schedule, the schema was further modified to administer paclitaxel weekly; however, weekly administration was inconsistent because of toxicity.ConclusionPaclitaxel 175 mg/m(2), carboplatin (AUC=5) and pegylated liposomal doxorubicin 30 mg/m(2) are tolerable without supportive therapy. The usual dose intensity of paclitaxel/carboplatin was maintained by administering liposomal doxorubicin every other cycle.

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