Bavacizumab
Mar 05, 2025
Bevacizumab is a humanized monoclonal antibody against vascular endothelial growth factor A (VEGF-A). It is used to treat several different cancers (cervical cancer, metastatic colorectal cancer, glioblastoma, non-squamous non-small cell lung cancer, ovarian, fallopian tube, primary peritoneal cancer, metastatic renal cell carcinoma, and hepatocellular carcinoma ). The administration of bevacizumab inhibits microvascular growth and angiogenesis and is used in cancer treatment to inhibit malignant cell growth and blood vessel formation. It is usually administered in combination with other chemotherapy agents. This activity will highlight the mechanism of action, adverse event profile, and other key factors (e.g., off-label uses, dosing, pharmacodynamics, pharmacokinetics, monitoring, relevant interactions) pertinent for members of the interprofessional team in the treatment of patients with bevacizumab.
Bevacizumab is a humanized monoclonal antibody against vascular endothelial growth factor A (VEGF-A) and is used to treat the below conditions.
Cervical cancer: Bevacizumab has approval for treating recurrent, persistent, or metastatic cervical cancer in combination with paclitaxel and either cisplatin or topotecan.
Metastatic colorectal cancer: Bevacizumab is a first-line or second-line therapy for metastatic colorectal cancer combined with fluorouracil (FU)-based chemotherapy regimens.
Glioblastoma: Bevacizumab has approval as a single agent in patients with progressive glioblastoma following previous therapy.
Non-squamous non-small cell lung cancer (NSCLC): Bevacizumab is a first-line treatment combination with carboplatin and paclitaxel for recurrent, locally advanced, unresectable, or metastatic non-squamous non-small cell lung cancer.[4]
Ovarian, fallopian tube, or primary peritoneal cancer: Bevacizumab has approved the treatment of platinum-sensitive recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer in combination with a carboplatin chemotherapy regimen or the treatment of platinum-resistant disease in combination with paclitaxel, doxorubicin, or topotecan.[5]
Metastatic renal cell carcinoma: Bevacizumab has received approval to treat metastatic renal cell carcinoma in combination with interferon alfa.
Hepatocellular carcinoma (HCC): Bevacizumab, in combination with atezolizumab, is indicated for treating unresectable metastatic hepatocellular carcinoma patients.
Bevacizumab is a recombinant humanized monoclonal antibody that binds to all known vascular endothelial growth factor A (VEGF-A) isoforms. It blocks the interaction between VEGF-A and the VEGF receptors (VEGFR), primarily VEGFR-1 (fit-1) and VEGFR-2 (KDRflk-1), on the surface of endothelial cells. It is 93% human and 7% murine in the protein sequence. The binding of VEGF-A to VEGFR-1 and VEGFR-2 leads to endothelial cell proliferation, the activation of survival pathways, and the formation of new blood vessels and angiogenesis. Therefore, the administration of bevacizumab inhibits microvascular growth and angiogenesis and is used in cancer treatment to inhibit malignant cell growth and blood vessel formation.