ranibizumab
nounMedical Definition of ranibizumab
: an antiangiogenic drug that is a genetically engineered monoclonal antibody administered by injection into the eye especially to treat age-related macular degeneration and diabetic retinopathy
Note: Ranibizumab acts by binding to and inhibiting the activity of vascular endothelial growth factor. It is marketed under the trademark Lucentis.