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BACKGROUND: A previous dose-escalation trial of the vascular disrupting agent combretastatin A4 phosphate (CA4P) given before carboplatin, paclitaxel, or both showed responses in 7 of 18 patients with relapsed ovarian cancer. PATIENTS AND METHODS: Patients with ovarian cancer that had relapsed and who could start trial therapy within 6 months of their last platinum chemotherapy were given CA4P 63 mg/m(2) minimum 18 h before paclitaxel 175 mg/m(2) and carboplatin AUC (area under the concentration curve) 5, repeated every 3 weeks. RESULTS: Five of the first 18 patients' disease responded, so the study was extended and closed after 44 patients were recruited. Grade ≥2 toxic effects were neutropenia in 75% and thrombocytopenia in 9% of patients (weekly blood counts), tumour pain, fatigue, and neuropathy, with one patient with rapidly reversible ataxia. Hypertension (23% of patients) was controlled by glyceryl trinitrate or prophylactic amlodipine. The response rate by RECIST was 13.5% and by Gynecologic Cancer InterGroup CA 125 criteria 34%. CONCLUSIONS: The addition of CA4P to paclitaxel and carboplatin is well tolerated and appears to produce a higher response rate in this patient population than if the chemotherapy was given without CA4P. A planned randomised trial will test this hypothesis.

Original publication

DOI

10.1093/annonc/mdq708

Type

Journal article

Journal

Ann Oncol

Publication Date

09/2011

Volume

22

Pages

2036 - 2041

Keywords

Adult, Aged, Antineoplastic Combined Chemotherapy Protocols, Carboplatin, Drug Administration Schedule, Drug Resistance, Neoplasm, Female, Humans, Middle Aged, Organoplatinum Compounds, Ovarian Neoplasms, Paclitaxel, Stilbenes