Title: Phase I/II study of preoperative cetuximab, capecitabine, and external beam radiotherapy in patients with rectal cancer
Authors: Machiels, J-P
Sempoux, C
Scalliet, P
Coche, J-C
Humblet, Y
Van Cutsem, Eric
Kerger, J
Canon, J-L
Peeters, M
Aydin, S
Laurent, S
Kartheuser, A
Coster, B
Roels, G
Daisne, J-F
Honhon, B
Duck, L
Kirkove, C
Bonny, M-A
Haustermans, Karin #
Issue Date: Jan-2007
Series Title: Annals of Oncology vol:18 issue:4 pages:738-744
Abstract: BACKGROUND: To assess the safety and preliminary efficacy of concurrent radiotherapy, capecitabine, and cetuximab in the preoperative treatment of patients with rectal cancer. PATIENTS AND METHODS: Forty patients with rectal cancer (T3-T4, and/or N+, endorectal ultrasound) received preoperative radiotherapy (1.8 Gy, 5 days/week for 5 weeks, total dose 45 Gy, three-dimensional conformal technique) in combination with cetuximab [initial dose 400 mg/m(2) intravenous given 1 week before the beginning of radiation followed by 250 mg/m(2)/week for 5 weeks] and capecitabine for the duration of radiotherapy (650 mg/m(2) orally twice daily, first dose level; 825 mg/m(2) twice daily, second dose level). RESULTS: Four and six patients were treated at the first and second dose level of capecitabine, respectively. No dose-limiting toxicity occurred. Thirty additional patients were treated with capecitabine at 825 mg/m(2) twice daily. The most frequent grade 1/2 side-effects were acneiform rash (87%), diarrhea (65%), and fatigue (57%). Grade 3 diarrhea was found in 15%. Three grade 4 toxic effects were recorded: one myocardial infarction, one pulmonary embolism, and one pulmonary infection with sepsis. Two patients (5%) had a pathological complete response. CONCLUSIONS: Preoperative radiotherapy in combination with capecitabine and cetuximab is feasible with some patients achieving pathological downstaging.
ISSN: 0923-7534
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Translational Research in GastroIntestinal Disorders
Laboratory of Experimental Radiotherapy
Clinical Digestive Oncology (+)
# (joint) last author

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