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Gynecol Oncol. 2010 Sep;118(3):303-7. doi: 10.1016/j.ygyno.2010.05.020. Epub 2010 Jun 14.

A phase I trial of dose-dense (biweekly) carboplatin combined with paclitaxel and pegfilgrastim: a feasibility study in patients with untreated Stage III and IV ovarian, tubal or primary peritoneal cancer: a Gynecologic Oncology Group study.

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New York University Cancer Institute, New York, NY 10016, USA.



Dose-dense regimens have been shown to improve outcome when given as adjuvant therapy to patients with breast cancer compared with their three weekly counterparts. We investigated the feasibility of a dose-dense regimen with carboplatin/paclitaxel followed by pegfilgrastim in patients with advanced ovarian cancer. We also investigated the toxicities including the percentage of patients with grade 2 or greater peripheral neurotoxicity and the clinical response of this regimen.


Women with untreated Stage III or IV epithelial ovarian, (fallopian) tubal, or primary peritoneal cancer were treated with carboplatin area under the curve (AUC) 5 and paclitaxel 175 mg/m(2) day one, and pegfilgrastim 6 mg day two every 2 weeks for six cycles.


Between 9/06 and 9/08, 43 patients enrolled. Thirty-one patients completed six or more cycles of therapy. The dose limiting toxicities resulting in treatment discontinuation included: grade 3 and 4 neuropathy, grade 4 thrombocytopenia, grade 4 thrombocytopenia/grade 3 febrile neutropenia, and grade 4 supraventricular tachycardia. Twelve patients (30%) had >or=grade 2 neuropathy from this regimen. The overall response rate in patients with measurable disease was 58% (11 out of 19).


Dose-dense carboplatin/paclitaxel appears to be effective. However, based on dose limiting toxicities occurring when administering 6 cycles of treatment, it is not feasible. Given the neuropathy and thrombocytopenia, we do not recommend 6 cycles of this regimen without modification.

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