Carboplatin reinduction after taxane in patients with platinum-refractory epithelial ovarian cancer

J. Kavanagh, D. Tresukosol, C. Edwards, R. Freedman, C. Gonzalez De Leon, A. Fishman, R. Mante, M. Hord, A. Kudelka

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To determine the activity of carboplatin in patients with ovarian cancer who progressed on taxane (paclitaxel or docetaxel) therapy. Patients and Methods: Thirty-three patients with ovarian cancers refractory to platinum and taxane therapy were treated with single-agent carboplatin reinduction once the disease progressed on a taxane. The starting dose of carboplatin was 300 mg/m2 at 28-day intervals. Results: Patients were a median age of 56 years (range, 31 to 80), had a median Zubrod performance status of 1 (range, 0 to 2) and had received a median of three prior chemotherapy regimens (range, two to eight) and one pretaxane platinum regimen (range, one to three). Twenty-six patients had a platinum-free interval of at least 12 months at the time of posttaxane re-treatment with carboplatin. There were seven of 33 (21%) partial responses, with a median duration of 7+ months(range, 2+ to 12+). Responses were noted only in patients with at least a 12-month platinum-free interval and an initial sensitivity to a taxane. The therapy was well tolerated and neurotoxicity was absent. Conclusion: A subset of patients with platinum-refractory disease that initially responded to a taxane and who eventually have a platinum-free interval of at least 1 year may respond to carboplatin reinduction. This finding may be secondary to paclitaxel or docetaxel therapy that leads to the reversal of platinum resistance, or the prolonged platinum-free interval permits the loss of resistance to platinum by the tumor. Carboplatin reinduction should be considered in the treatment of patients whose ovarian cancer progresses after an initial sensitivity to a taxane and who had a prolonged platinum-free interval.

Original languageEnglish
Pages (from-to)1584-1588
Number of pages5
JournalJournal of Clinical Oncology
Volume13
Issue number7
DOIs
StatePublished - Jul 1995

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