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Medline ® Abstract for Reference 32

of 'Medical treatment for relapsed epithelial ovarian, fallopian tubal, or peritoneal cancer: Platinum-sensitive disease'

Phase II evaluation of nanoparticle albumin-bound paclitaxel in platinum-sensitive patients with recurrent ovarian, peritoneal, or fallopian tube cancer.
Teneriello MG, Tseng PC, Crozier M, Encarnacion C, Hancock K, Messing MJ, Boehm KA, Williams A, Asmar L
J Clin Oncol. 2009;27(9):1426. Epub 2009 Feb 17.
PURPOSE: Patients with recurrent ovarian, peritoneal, or fallopian tube cancer have limited therapeutic options. There are no reports of nanoparticle albumin-bound paclitaxel (nab-paclitaxel) in patients with recurrent platinum-sensitive disease. We report efficacy and toxicity with nab-paclitaxel in this group.
PATIENTS AND METHODS: Forty-seven patients enrolled (44 assessable patients). Main inclusion criteria were histologically or cytologically confirmed epithelial cancer of the ovary, fallopian tube, or peritoneum (any stage, grade 2 to 3 if stage I) and measurable disease according to Response Evaluation Criteria in Solid Tumors (RECIST) or elevated CA-125 (>70 U/mL) in patients without measurable disease. Patients received nab-paclitaxel 260 mg/m(2) administered intravenously for 30 minutes on day 1 of a 21-day cycle for six cycles or until disease progression.
RESULTS: Median age was 65.5 years; 76% of patients had stage IIIC or IV disease, 81% had Eastern Cooperative Oncology Group performance status of 0, and94% had prior surgery. For assessable patients, the objective response rate (ORR) was 64% (15 complete responses [CR]and 13 partial responses [PR]among 44 assessable patients). In patients evaluated with RECIST only, the ORR was 45% (one CR and four PR of 11 patients). In patients with only elevated CA-125, ORR was 82% (seven CRs and two PRs of 11 patients). In patients meeting both RECIST and CA-125 criteria, the ORR was 64% (seven CRs and seven PRs of 22 patients). Median time to response was 1.3 months (range, 0.5 to 4.8 months). Estimated median progression-free survival was 8.5 months. The most frequent grade 3 to 4 treatment-related toxicities were neutropenia (24%) and neuropathy (9%).
CONCLUSION: Nab-paclitaxel is active in this group of patients with recurrent ovarian, peritoneal, or fallopian tube cancer. The ORR was 64%. Toxicities were manageable. Further studies of nab-paclitaxel in combination with platinum are warranted.
US Oncology Research, Houston, TX, USA. michael.teneriello@usoncology.com