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  • Title: Paclitaxel/carboplatin versus cyclophosphamide/adriamycin/cisplatin as postoperative adjuvant chemotherapy for advanced endometrial adenocarcinoma.
    Author: Hidaka T, Nakamura T, Shima T, Yuki H, Saito S.
    Journal: J Obstet Gynaecol Res; 2006 Jun; 32(3):330-7. PubMed ID: 16764625.
    Abstract:
    AIM: There is no standard chemotherapy regimen for patients with advanced endometrial adenocarcinoma. In our hospital, a cyclophosphamide/adriamycin/cisplatin (CAP) regimen was commonly used as adjuvant chemotherapy. However, since October 1999 a paclitaxel/carboplatin regimen has been substituted for CAP. To evaluate the antitumor activity and toxic effects of those regimens, we retrospectively reviewed cases that were treated in our hospital. METHODS: Twenty-eight patients who underwent surgery and had histologically confirmed advanced endometrial adenocarcinoma, International Federation of Gynecology and Obstetrics stage III/IV, received combination chemotherapy. Treatment consisted of cisplatin, adriamycin and cyclophosphamide (CAP group, n = 16), or paclitaxel and carboplatin (paclitaxel/carboplatin group, n = 12). The response rate (RR), progression-free survival (PFS), overall survival (OS), and toxicities were evaluated. RESULTS: In the CAP group, complete response (CR) was observed in six patients and partial response (PR) in three, for an RR of 64.3%. In the paclitaxel/carboplatin group, CR was observed in five and PR in two, for an RR of 77.8%. The 3-year PFS and OS rates were 50.0% and 75.0% in the paclitaxel/carboplatin group, and 37.5% and 50.0% in the CAP group, respectively, and there was no significant difference between the two groups. National Cancer Institute Common Toxicity Criteria grade 3-4 thrombocytopenia and gastrointestinal toxicities occurred significantly less frequently in the paclitaxel/carboplatin group (0% and 16.7%) than in the CAP group (31.3% and 68.8%) (P = 0.0389 and P = 0.0062). CONCLUSIONS: We conclude that paclitaxel/carboplatin is a promising regimen which could be substituted for CAP, with major activity and a highly acceptable toxicity profile for the treatment of advanced endometrial adenocarcinomas.
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