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Medline ® Abstract for Reference 136

of 'Oral toxicity associated with chemotherapy'

Bevacizumab plus cyclophosphamide in heavily pretreated patients with recurrent ovarian cancer.
Chura JC, Van Iseghem K, Downs LS Jr, Carson LF, Judson PL
Gynecol Oncol. 2007;107(2):326. Epub 2007 Aug 15.
OBJECTIVE: To investigate the efficacy and safety of bevacizumab in heavily pretreated patients with recurrent ovarian cancer.
METHODS: Patients with recurrent ovarian cancer were treated with intravenous bevacizumab 10 mg/kg every other week plus oral cyclophosphamide 50 mg daily until disease progression or undue toxicity. Adverse events were graded according to the NCI Common Toxicity Criteria. Response rates were determined by CA-125 levels or changes in target lesions according to RECIST.
RESULTS: Fifteen patients were treated. Median age was 57 years (range 42-69). The median number of previous chemotherapy regimens was 8 (range 5-15). The median time from the first diagnosis to treatment with bevacizumab was 68.9 months (range, 26.5-177.2). The median number of bevacizumab infusions was 8 (range, 2-12), and the total number was 113. Two patients (13.3%) had a complete response after 4 months of therapy. Six patients (40.0%) had a partial response. The median duration of this response was 3.9 months (range, 2.3-10.4). Three patients (20%) had stabledisease of 4.0, 5.2 and 5.5 months' duration, and 4 patients (26.7%) had progressive disease. Despite being heavily pre-treated and having confirmed intra-abdominal cancer, no gastrointestinal perforations developed. Other toxicities included: grade 3 pancreatitis in 1 patient; grade 2 proteinuria and hypertension in another, which resolved with the cessation of bevacizumab.
CONCLUSION: In our population of very heavily pre-treated patients, with at least five prior regimens, bevacizumab in combination with oral cyclophosphamide has significant activity with a response rate of 53%, without significant toxicity.
Department of Obstetrics, Gynecology and Women's Health, Division of Gynecologic Oncology, University of Minnesota, Minneapolis, MN 55455, USA.