Korean J Clin Oncol.  2019 Jun;15(1):15-18. 10.14216/kjco.190015.

Bevacizumab induced intestinal perforation in patients with colorectal cancer

Affiliations
  • 1Department of Surgery, Kosin University College of Medicine, Busan, Korea. gscrslsh@hanmail.net

Abstract

PURPOSE
Bevacizumab has been used as a promising drug for metastatic colorectal cancer in combination with chemotherapeutic agents. However, it has a few serious adverse effects, such as intestinal bleeding or perforation. The purpose of this study is to identify the clinical characteristics of intestinal perforation induced by bevacizumab in colorectal cancer patients.
METHODS
From January 2007 to June 2018, a total of 488 patients underwent chemotherapy with bevacizumab for metastatic colorectal cancer. Medical records were reviewed retrospectively.
RESULTS
Nine patients (1.8%) were identified with intestinal perforation induced with bevacizumab. The median age was 59 years (range, 36-68 years). The primary tumor site was the sigmoid colon in six patients, the rectum in three patients. The liver was the most common metastatic organ (7 patients). Perforation sites were primary tumor site of the colorectum in four patients and the small bowel in five patients. Intestinal perforation was developed after a median of 3 chemotherapy cycles (range, 1-15 cycles), and a median of 7 days (range, 3-32 days) after chemotherapy. One patient expired due to sepsis.
CONCLUSION
Bevacizumab induced intestinal perforation is a lethal adverse effect in patients with colorectal cancers. The characteristics of intestinal perforation varied according to perforation site, previous chemotherapy cycles, and clinical course. Careful monitoring is necessary with the use of bevacizumab in conjunction with chemotherapeutic agents.

Keyword

Colorectal neoplasms; Tumor; Intestinal perforation; Bevacizumab

MeSH Terms

Bevacizumab*
Colon, Sigmoid
Colorectal Neoplasms*
Drug Therapy
Hemorrhage
Humans
Intestinal Perforation*
Liver
Medical Records
Rectum
Retrospective Studies
Sepsis
Bevacizumab
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