Journal
GYNECOLOGIC ONCOLOGY
Volume 95, Issue 3, Pages 564-569Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygyno.2004.08.026
Keywords
alternate treatment regimens; ovarian cancer; relapsed ovarian cancer; retrospective analysis; topotecan
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Objective. To retrospectively investigate the safety and efficacy of weekly topotecan in heavily pretreated patients with ovarian cancer. Methods. Data were collected by retrospective review of patient records. Eligible patients had received greater than or equal to2 prior regimens for ovarian cancer before treatment with weekly topotecan. Efficacy was determined by measurable disease or CA 125 levels. Adverse event and growth factor support data were also collected. Results. Fifty patients (median age, 61 years) were evaluable for safety and received a total of 244 4-week cycles of therapy (median, 3; range, 1-21 cycles). Most patients (84%) had measurable disease, and 30% had performance status of greater than or equal to2. Patients had received two to six prior treatments for ovarian cancer. Median weekly dose per patient was topotecan 3.7 mg/m(2). Grade 4 hematologic toxicities (generally manageable) occurred in 4% of patients. One patient had febrile neutropenia. Grade 3/4 nonhematologic toxicities were fatigue in two (4%) patients. Forty-two patients were evaluable for response. Of 35 evaluable patients with measurable disease, 11 (31%) had a partial response (median duration, 3 months), and 15 (43%) patients had stable disease (median duration, 3.5 months). Of 41 evaluable patients with elevated CA 125 (median, 154 U/l; range, 47-7200 U/l), 11 (27%) had greater than or equal to50% decreases or normalization of CA 125 levels. Median time to progression in all patients with stable disease has not been reached (follow-up range, 1.5-17.3 months). Conclusions. Weekly topotecan is active and well tolerated in heavily pretreated patients with relapsed ovarian cancer. Prospective studies of this regimen are warranted. (C) 2004 Elsevier Inc. All rights reserved.
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