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LGM Pharma offers this active ingredient but not the finished dosage forms.
CAS No: 347396-82-1
ATC Code: S01LA04
Chemical Formula: C2158H3282N562O681S12
Molecular Weight: 48349.611 Da
Assay/Purity: Typically NLT 98%
IUPAC: Immunoglobulin G1, anti-(human vascular endothelial growth factor) Fab fragment (human-mouse monoclonal rhuFAB V2 gamma1 chain), disulfide with human-mouse monoclonal rhuFAB V2 light chain
For the treatment of patients with macular edema after retinal vein occlusion, age-related macular degeneration (wet), and diabetic macular edema.
Ranibizumab is a recombinant humanized IgG1 kappa isotype monoclonal antibody fragment designed for intraocular use. Ranibizumab is a VEGF-A antagonist that binds to and inhibits the biologic activity of active forms of human VEGF-A, including the cleaved form (VEGF110). VEGF-A has been shown to cause neovascularization (angiogenesis) and an increase in vascular permeability, which is thought to contribute to the progression of the neovascular form of age-related macular degeneration (AMD).
Mode of Action:
Ranibizumab binds to the receptor binding site of active forms of VEGF-A, including the biologically active, cleaved form of this molecule, VEGF110. The binding of ranibizumab to VEGF-A prevents the interaction of VEGF-A with its receptors (VEGFR1 and VEGFR2) on the surface of endothelial cells, reducing endothelial cell proliferation, vascular leakage, and new blood vessel formation.
Metabolism was not quantified.
The most common toxic effects to the eye are eye pain, vitreous floaters, increased intraocular pressure, conjunctival hemorrhage, intraocular inflammation, and foreign body sensation. Also arterial thromboembolic events have occurred in patients.
Gaudreault J, Fei D, Beyer JC, Ryan A, Rangell L, Shiu V, Damico LA: Pharmacokinetics and retinal distribution of ranibizumab, a humanized antibody fragment directed against VEGF-A, following intravitreal administration in rabbits. Retina. 2007 Nov-Dec;27(9):1260-6. [PubMed:18046235 ] Gaudreault J, Fei D, Rusit J, Suboc P, Shiu V: Preclinical pharmacokinetics of Ranibizumab (rhuFabV2) after a single intravitreal administration. Invest Ophthalmol Vis Sci. 2005 Feb;46(2):726-33. [PubMed:15671306 ] Bakri SJ, Snyder MR, Reid JM, Pulido JS, Ezzat MK, Singh RJ: Pharmacokinetics of intravitreal ranibizumab (Lucentis). Ophthalmology. 2007 Dec;114(12):2179-82. [PubMed:18054637 ] Kourlas H, Abrams P: Ranibizumab for the treatment of neovascular age-related macular degeneration: a review. Clin Ther. 2007 Sep;29(9):1850-61. [PubMed:18035187 ]
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