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Efficacy of Modified Dose-dense Paclitaxel in Recurrent Cervical Cancer.

ABSTRACT: OBJECTIVE:To examine survival outcomes of women with recurrent cervical cancer who received salvage chemotherapy with modified dose-dense paclitaxel (MDDP) monotherapy (paclitaxel 80 mg/m, administered on day 1, 8, and 15 without day 22). MATERIALS AND METHODS:A retrospective study was conducted to evaluate cause-specific survival after the first recurrence (SAR) of women with recurrent cervical cancer diagnosed between 2006 and 2014. Pooled analyses were performed to examine SAR in women who received MDDP monotherapy (n=17) for any treatment line, compared with those who received salvage chemotherapy with paclitaxel-doublet (n=18) and nonpaclitaxel regimens (n=52). RESULTS:In the whole cohort, median SAR was 13.7 months including 63 (72.4%) events. MDDP monotherapy regimen was most commonly used in the second-line setting (35.3%) followed by the third/fourth lines (both, 23.5%). Among the women who received MDDP regimen, there were 6 (35.3%) women who received ?6 cycles; there was 1 (5.9%) women who discontinued the regimen due to adverse effects (grade 3 transaminitis); regimen postponement was seen in 2 (1.4%) of 140 total cycles; and the response rate after the sixth cycle of this regimen was 29.4% (1 complete and 4 partial responses). On univariate analysis, MDDP usage had the highest 2-year SAR rate (MDDP 54.1%, paclitaxel-doublet 43.6%, and nonpaclitaxel regimens 28.1%; Ptrend=0.044). On multivariate analysis, MDDP monotherapy remained an independent prognostic factor for improved SAR compared with the nonpaclitaxel regimen (adjusted-hazard ratio, 0.50; 95% confidence interval, 0.26-0.95; P=0.036). CONCLUSION:Our results suggested that MDDP monotherapy is a tolerable and relatively effective regimen for recurrent cervical cancer.

SUBMITTER: Machida H

PROVIDER: S-EPMC7528455 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Efficacy of Modified Dose-dense Paclitaxel in Recurrent Cervical Cancer.

Machida Hiroko H Moeini Aida A Ciccone Marcia A MA Mostofizadeh Sayedamin S Takiuchi Tsuyoshi T Brunette Laurie L LL Roman Lynda D LD Matsuo Koji K

American journal of clinical oncology 20180901 9

<h4>Objective</h4>To examine survival outcomes of women with recurrent cervical cancer who received salvage chemotherapy with modified dose-dense paclitaxel (MDDP) monotherapy (paclitaxel 80 mg/m, administered on day 1, 8, and 15 without day 22).<h4>Materials and methods</h4>A retrospective study was conducted to evaluate cause-specific survival after the first recurrence (SAR) of women with recurrent cervical cancer diagnosed between 2006 and 2014. Pooled analyses were performed to examine SAR ...[more]

PMID: 28763329

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Project description:OBJECTIVE:Survival in women with recurrent or metastatic cervical cancer remains poor. More effective and less toxic regimens are needed. Cisplatin is an effective radiosensitizer, but its single agent activity in recurrent cervical cancer, especially after prior cisplatin exposure, is disappointing, with a response rate of only 13%. Oxaliplatin has preclinical activity in cisplatin-resistant tumors and may have synergic activity when combined with paclitaxel. Our objective is to determine the efficacy and toxicity of paclitaxel and oxaliplatin in patients with recurrent or metastatic cervical cancer. METHODS:Patients with histologic confirmation of primary metastatic or recurrent cervical cancer not amenable to surgical management were eligible. Treatment consisted of paclitaxel 175 mg/m(2) IV and oxaliplatin 130 mg/m(2) IV every 21 days. The primary endpoints were toxicity, recorded every cycle, and response, determined by RECIST criteria and were assessed every 9 weeks, with subsequent confirmation as required. Sample size determinations were made using a Simon's two-stage design with a projected overall response proportion of 13% with cisplatin alone. Survival rates were calculated with Kaplan-Meier methods. RESULTS:Of the 35 patients enrolled, 32 were evaluable. The median age was 56 (27-78); 30 had had prior radiation (23 concomitant with cisplatin). Patients completed a mean of 4.2 cycles (1-11). There were 2 complete and 5 partial responses for a total response rate of 7/32 (22%; 95% CI: 9.3%-40.0%). Eight patients had stable disease for an overall clinical benefit rate of 15/32 (47%; 95% CI: 29.1%-65.3%). The mean time to best response was 13.5 weeks (95% CI: 10.6, 16.4). The mean progression-free survival was 21 weeks (95% CI: 14.7, 27.2) and mean overall survival was 52 weeks (95% CI: 39.4, 64.8). A total of 135 cycles were administered. There were 28 (20.1%) grade 3/4 hematologic toxicities and 46 (34.1%) grade 3/4 non-hematologic toxicities, which were predominantly sensory neuropathy. There were 13 treatment delays, 4 dose reductions, and no treatment-related deaths. CONCLUSIONS:The combination of paclitaxel and oxaliplatin is an effective regimen in patients with recurrent or persistent cervical cancer including a majority previously exposed to cisplatin. Further study and comparison with other platinum-based regimens is warranted.

Dataset Information

Efficacy of Modified Dose-dense Paclitaxel in Recurrent Cervical Cancer.

Publications

Efficacy of Modified Dose-dense Paclitaxel in Recurrent Cervical Cancer.

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