Abstract
Background
Brain metastases are rare in patients with colorectal cancer, but the incidence is expected to rise due to prolonged survival resulting from more effective regimens including anti-EGF-receptor and anti-angiogenic antibodies. Because of the potential fear of intracranial hemorrhage, patients with colorectal brain metastases have been excluded from clinical trials involving bevacizumab or aflibercept.
Patients
Five patients with colorectal brain metastases treated with bevacizumab-containing chemotherapy regimen following either neurosurgery, radiosurgery, or whole-brain radiotherapy were identified between 2009 and 2014. The clinicopathological data and outcomes for these patients were reviewed.
Results
Mean time to disease progression concerning brain metastases was 14.8 months (range 5–25). Overall survival was 26.2 months (range 7–42 months) and overall survival since diagnosis of brain metastases was 20.6 month (7–42). Best response was a partial response in two and a stable disease in three patients. Treatment-related adverse events were mild hypertension (grade 1), diarrhea (grade 1), and fatigue (grade 1). No intracranial hemorrhage was observed.
Conclusion
Bevacizumab in combination with chemotherapy is a feasible option for palliative treatment of patients with colorectal brain metastasis with a good safety profile.
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