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Inflammatory breast cancer outcome with epirubicin-based induction and maintenance chemotherapy: ten-year results from the French Adjuvant Study Group GETIS 02 Trial.

Author(s): Veyret C, Levy C, Chollet P, Merrouche Y, Roche H, Kerbrat P, Fumoleau P, Fargeot P, Clavere P, Chevallier B

Affiliation(s): Department of Medical Oncology, Henri Becquerel Center, Rouen, France. cveyret@rouen.fnclcc.fr

Publication date & source: 2006-12-01, Cancer., 107(11):2535-44.

Publication type: Multicenter Study; Randomized Controlled Trial

BACKGROUND: The authors evaluated the long-term efficacy and side effects in patients with nonmetastatic, unilateral, inflammatory breast cancer (IBC) who received homogeneous treatment with intensive induction chemotherapy followed by a maintenance regimen. METHODS: One hundred twenty patients were randomized to receive high-dose fluorouracil, epirubicin, and cyclophosphamide (FEC-HD) (fluorouracil 750 mg/m(2) on Days 1 to 4, epirubicin 35 mg/m(2) on Days 2 to 4, and cyclophosphamide 400 mg/m(2) on Days 2 to 4 for 4 cycles every 21 days) with or without lenograstim. Locoregional treatment consisted of surgery and/or radiotherapy. Maintenance chemotherapy was FEC 75 (fluorouracil 500 mg/m(2), epirubicin 75 mg/m(2), and cyclophosphamide 500 mg/m(2) on Day 1 every 21 days for 4 cycles). No hormone treatment was allowed. RESULTS: The safety of the FEC-HD regimen was described previously. Among 102 patients who underwent surgery, a pathologic complete response (pCR) was achieved by 23.5% of patients with breast tumors and by 31.4% of patients with involved axillary lymph nodes. The overall pCR rate was 14.7%. One hundred nine patients received FEC 75. After a median 10 years of follow-up, the disease-free survival (DFS) and overall survival (OS) rates were 35.7% and 41.2%, respectively. The median DFS was 39 months (95% confidence interval [95% CI], 25-53 months), and the median survival was 61 months (95% CI, 43-79 months). Five patients developed a temporary decrease in left ventricular ejection fraction without congestive heart failure. In the lenograstim group, 1 patient developed acute myeloblastic leukemia M2, and 1 patient developed myelodysplastic syndrome. CONCLUSIONS: FEC-HD induction chemotherapy followed by FEC 75 maintenance regimen had moderate and acute long-term toxicities and lead to high DFS and OS rates in patients with IBC. (c) 2006 American Cancer Society.

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