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The FinXX trial: Safety results in 600 patients (pts) randomized to either docetaxel (T) followed by cyclophosphamide (C) + epirubicin (E) + 5-FU (F) (CEF) or T + capecitabine (X) followed by CEX as adjuvant therapy for early breast cancer (BC). J Clin Oncol 2007. [DOI: 10.1200/jco.2007.25.18_suppl.11035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
11035 Background: Adding X to T extends survival in pts with metastatic BC. The primary objective of the FinXX trial is to compare recurrence-free survival with XT→CEX vs T→CEF as adjuvant therapy in pts with early stage BC. Secondary objectives were comparison of safety and overall survival. Methods: Between Jan 2004 and May 2005, 600 of a planned 1,500 pts were randomized to receive T x 3 → CEF x 3 (T 80 mg/m2 d1 → C 600 mg/m2 d1, E 75 mg/m2 d1, F 600 mg/m2 d1) or TX x 3 → CEX x 3 (T 60 mg/m2 d1 + X 900 mg/m2 bid d1–15 → C 600 mg/m2 d1, E 75 mg/m2 d1, X 900 mg/m2 bid d1–15) q3 wks. Results: Grade 3/4 toxicities (CTCAE, v3) in >5% of pts are shown below. 62 pts required G-CSF. Nos. of cycles with G-CSF were: T 34; XT 15; CEF 17; CEX 15. Adverse events (AEs) led to interruption of T in 7 pts (2%) and XT in 50 pts (16%). Median dose intensities at cycle 3 were T: 95%; XT: 84/97%; CEF: 98/97/98%; CEX: 98/98/84%. T dose reductions of =20% in cycle 3 were needed in 18% and 8% of pts receiving T and XT, respectively. 4 pts died during treatment: pulmonary embolism (n=1) with T and suicide, sudden death and colitis/sepsis (each n=1) with XT. Conclusions: XT→CEX is generally well tolerated. Treatment interruptions were more common with XT→CEX, but were effective in reducing development of grade 3/4 AEs. Neutropenic infections were less frequent with XT vs T and infrequent with XT, CEF and CEX. Rates of grade 3/4 diarrhea and HFS were acceptable with XT and minimal with CEX. Accrual is nearly complete; efficacy data are expected in 2009. [Table: see text] [Table: see text]
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