Surgical wound healing complications in metastatic colorectal cancer patients treated with bevacizumab.

Scappaticci FA, Fehrenbacher L, Cartwright T, Hainsworth JD, Heim W, Berlin J, Kabbinavar F, Novotny W, Sarkar S, Hurwitz H
J Surg Oncol. 2005 91 (3): 173-80

PMID: 16118771 · DOI:10.1002/jso.20301

BACKGROUND - Bevacizumab (Avastin; rhuMab VEGF), a humanized monoclonal antibody against vascular endothelial growth factor (VEGF), significantly prolongs survival when added to intravenous 5-fluorouracil-based chemotherapy in first-line metastatic colorectal cancer (CRC) treatment. Because antiangiogenic agents might inhibit wound healing, we assessed postoperative wound healing complications in two randomized trials of 5 mg/kg bevacizumab in CRC treatment.

METHODS - We assessed the wound healing complications in patients who: (1) underwent cancer surgery 28-60 days before study treatment and (2) underwent major surgery during study treatment. Cases were reviewed for wound healing complications occurring < or = 60 days after surgery.

RESULTS - With cancer surgery 28-60 days before study treatment, wound healing complications occurred in 3/230 (1.3%) bevacizumab-treated patients and 1/194 (0.5%) control patients. With major surgery during study treatment, 10/75 bevacizumab-treated patients (13%) and 1/29 control patients (3.4%) had wound healing complications. Bevacizumab-treated patients experienced complications with surgery < or = 30 and 31-60 days after the last dose.

CONCLUSIONS - Bevacizumab administered in combination with 5-fluorouracil/leucovorin-based chemotherapy 28-60 days after primary cancer surgery caused no increased risk of wound healing complications compared with chemotherapy alone. While wound healing complications were increased in patients who had major surgery during bevacizumab therapy, the majority of bevacizumab-treated patients experienced no complications.

Copyright 2005 Wiley-Liss, Inc.

MeSH Terms (18)

Adult Aged Angiogenesis Inhibitors Antibodies, Monoclonal Antibodies, Monoclonal, Humanized Bevacizumab Case-Control Studies Colorectal Neoplasms Combined Modality Therapy Female Gastrointestinal Hemorrhage Humans Intestinal Diseases Male Middle Aged Postoperative Complications United States Wound Healing

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