Cat. No. Name Size Price Add Cart
KI0368Maraviroc5 mg$120
Maraviroc25 mg$420
Maraviroc100 mg$1232

Chemical Characteristic

Product NameMaraviroc
SynonymsSelzentry, UK-427857
CAS No.376348-65-1
Molecular Weight 513.67
FormulaC29H41F2N5O
Chemical Name4,4-difluoro-N-((S)-3-(3-(3-isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-8-aza-bicyclo[3.2.1]octan-8-yl)-1-phenylpropyl)cyclohexanecarboxamide
SmilesC1(CCC(CC1)(F)F)C(=O)NC(CCN1[C@H]2CC(C[C@@H]1CC2)n1c(nnc1C(C)C)C)c1ccccc1
Chemical Structure

Biological activities

Maraviroc is a selective CCR5 antagonist. The average IC90 of maraviroc against CCR5-tropic HIV-1 viruses is 2 nM. Maraviroc has potent anti-human immunodeficiency virus type 1 (HIV-1) activity and favorable pharmacological properties. Maraviroc blocks binding of viral envelope, gp120, to CCR5 to prevent the membrane fusion events necessary for viral entry. Maraviroc has no detectable in vitro cytotoxicity against a wide range of receptors and enzymes, including the hERG ion channel with IC50 of >10 μM. Maraviroc inhibits MIP-1α, MIP-1β and RANTES with IC50 of 3.3, 7.2 and 5.2 nM, respectively. Maraviroc inhibits not only MIP-1β-stimulated γ-S-GTP binding to HEK-293 cell membranes, but also the downstream event of chemokine-induced intracellular calcium redistribution, with IC50 ranging from 7 to 30 nM obtained against MIP-1β, MIP-1α and RANTES. Maraviroc suppresses the activity of HIV-1 envelope binding to CCR5 with an IC50 of 11 nM. Maraviroc inhibits HIV-1 Ba-L using either isolated multiple donor PBMC, single-donor PBMC and PM-1 cells with IC90 of 3.1, 1.8 and 1.1 nM, respectively. Maraviroc reveals potent antiviral activity against the primary CCR5-tropic HIV-1 isolates with geometric mean IC90 of 2.0 nM and ranging from 0.5 to 13.4 nM. The half-life values (t1/2) of maraviroc are 0.9 and 2.3 hours in rat and dog, resepctively. Following oral administration (2 mg/kg) of maraviroc to the dog, the Cmax (256 ng/mL) occurrs 1.5 hours post-dose, and the bioavailability is 40%. For the rat, approximately 30% of the administered dose is absorbed from the intestinal tract.[1] Maraviroc has moderate lipophilicity(logD = 2.1) and basicity (pKa = 7.3), and a relatively highmolecular weight and hydrogen bonding capacity (oneH-bond donor and six H-bond acceptors). Oral maraviroc using intraportal vein sampling reveals that approximately 30% of the dose is absorbed by rats, while in dogs more than 70% is absorbed.[2] Maraviroc is widely distributed, with a Vd of ~194 L. Maraviroc is moderately metabolized in the liver (65.3%), primarily via the cytochrome P450 3A4 isozyme. Maraviroc has an elimination t1/2 of 15.9 to 22.9 hours.[3]

References

[1] Dorr P, et al. Maraviroc (UK-427,857), a potent, orally bioavailable, and selective small-molecule inhibitor of chemokine receptor CCR5 with broad-spectrum anti-human immunodeficiency virus type 1 activity. Antimicrob Agents Chemother. 2005, 49(11): 4721-4732.
[2] Meanwell NA, et al. Maraviroc, a chemokine CCR5 receptor antagonist for the treatment of HIV infection and AIDS. Curr Opin Investig Drugs. 2007, 8(8): 669-681.
[3] Lieberman-Blum SS, et al. Maraviroc: a CCR5-receptor antagonist for the treatment of HIV-1 infection. Clin Ther. 2008, 30(7):1228-1250.

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