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Medline ® Abstract for Reference 60

of 'Systemic treatment of metastatic breast cancer in women: Chemotherapy'

A phase-III trial of doxorubicin and docetaxel versus doxorubicin and paclitaxel in metastatic breast cancer: results of the ERASME 3 study.
Cassier PA, Chabaud S, Trillet-Lenoir V, Peaud PY, Tigaud JD, Cure H, Orfeuvre H, Salles B, Martin C, Jacquin JP, Agostini C, Guastalla JP, Pérol D, Bachelot T
Breast Cancer Res Treat. 2008 May;109(2):343-50. Epub 2007 Jul 5.
PURPOSE: In first-line metastatic breast cancer, both paclitaxel (P)-doxorubicin (A) and docetaxel (D)-doxorubicin (A) combinations have shown superiority over treatments without taxane. The aim of this study was to compare the two combinations.
PATIENTS AND METHODS: Chemotherapy-naive (except for adjuvant therapy) metastatic breast cancer patients were randomly assigned to intravenous AD (arm D) or AP (arm P) every 3 weeks for a maximum of four cycles, then four cycles of single agent docetaxel (arm D) or paclitaxel (arm P). Primary endpoint was overall quality of life (QoL) measured by EORTC QLQ-C30 after four courses of doxorubicin-taxane combination. Secondary endpoints were toxicity, overall survival (OS), progression-free survival (PFS), and QoL sub-scores.
RESULTS: Between March 2000 and April 2004, 210 patients were randomized: 103 to arm P and 107 to arm D. Patient characteristics were well balanced between arms. After four courses, QoL score differences between groups or compared to baseline scores were not significant. Response rate was 39.6% for AD and 41.8% for AP. After a median follow-up of 50.2 months, median PFS and median OS were 8.7 and 21.4 months in arm D and 8.0 and 27.3 months in arm P (p = 0.977 and 0.081, respectively). Hematological toxicity was significantly more frequent in arm D than in arm P (p<10(-6)), as well as grades 3-4 asthenia (p = 0.03). Neuropathy occurred more frequently in arm P (p = 0.03).
CONCLUSION: In this study, paclitaxel or docetaxel combined with doxorubicin were not significantly different in terms of QoL scores and efficacy, but had different toxicity profiles.
Medical Oncology, Hopital Edouard Herriot, Universitéde Lyon et Hospices Civils de Lyon, Lyon, France.