Methods: We conducted a phase II study in which patients were administered paclitaxel 175 mg/m2 over a 3-h period followed by carboplatin (area under the serum concentration–time curve = 6) intravenously over a 30-min period on day 1 of each treatment cycle (3 weeks) until disease progression or adverse effects prohibited further therapy. Eligible patients had histologically confirmed, advanced stage (III or IV), persistent or recurrent measurable disease, and no prior chemotherapy.
Results: Six patients were enrolled between February 2006 and April 2009. The median age of the patients was 61 (range 48–77) years; one patient was stage IIIC (17 %) and five were stage IVB (83 %). Three patients (50 %) (1 at stage IIIC and 2 at stage IVB) received total abdominal hysterectomy plus bilateral salpingo-oophorectomy as part of the initial treatment; five (83 %) had homologous tumors and one (17 %) had a heterologous tumor. The median cycle number administered was 4.8 (range 2–7). The RR was 66.7 % (complete response, 2; partial response, 2); the PFS was 9.1 months and OS was not reached. The frequently observed Grade 4 toxicities were neutropenia (3 patients, 50 %). Manageable neutropenic sepsis developed in one patient.
Conclusion: This is the first prospective multi-institutional study in Asia showing that PC may be effective and tolerable for the treatment of advanced or recurrent CS.
Background: Paclitaxel and carboplatin (PC) have shown antitumor activity in carcinosarcoma of the uterus (CS). The purpose of this prospective multi-institutional study was to determine the response rate (RR), progression-free survival (PFS) and overall survival (OS) and to assess the toxicity of paclitaxel and carboplatin in patients with CS.
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