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Medline ® Abstract for Reference 28

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

28
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Topotecan weekly bolus chemotherapy for relapsed platinum-sensitive ovarian and peritoneal cancers.
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Morris R, Alvarez RD, Andrews S, Malone J, Bryant C, Heilbrun LK, Smith D, Schimp V, Munkarah A
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Gynecol Oncol. 2008;109(3):346. Epub 2008 Apr 14.
 
OBJECTIVE: Topotecan at a dose of 1.5 mg/m(2) on days 1 to 5 of a 21-day cycle is an approved therapy for recurrent ovarian cancer. However, heavily pretreated patients may be predisposed to hematologic adverse events. This prospective study, therefore, investigates the safety and efficacy of an alternate weekly schedule of topotecan in patients with recurrent ovarian or peritoneal cancer.
METHODS: Patients with potentially platinum-sensitive recurrent ovarian or peritoneal cancer were treated with 4.0 mg/m(2) weekly topotecan as tolerated until disease progression. Antitumor response and safety were assessed. Dose reductions, delays, or omissions were implemented for grades 3-4 adverse events.
RESULTS: Of the 41 enrolled patients (median age, 62 years; range, 42 to 82 years), 39 patients had ovarian cancer, and 2 patients had peritoneal cancer. The median platinum-free interval was 11.7 months. A median of 9 topotecan cycles (range, 1 to 45 doses) was administered. Weekly topotecan was well tolerated: 7 (17%) patients had grades3-4 neutropenia, and 9 (22%) had grades 3-4 fatigue. No grade 4 thrombocytopenia or anemia was reported. Of 38 response-evaluable patients, 1 (3%) had a complete response, 8 (21%) had a partial response, 16 (42%) had stable disease, and 13 (34%) had progressive disease.
CONCLUSIONS: Weekly topotecan was well tolerated in patients with platinum-sensitive ovarian or peritoneal cancer at first relapse, with a hematologic profile that compared favorably with that of the 5-day topotecan regimen. Moreover, antitumor activity was similar to that reported for the 5-day regimen.
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Wayne State University School of Medicine, Barbara Ann Karmanos Cancer Institute, Detroit, MI 48201, USA. rmorris@med.wayne.edu
PMID