Clazosentan

Clazosentan (Ro 61-1790) is a selective endothelin A (ETA) receptor antagonist. Clazosentan inhibits ET-1-mediated vasoconstriction. Clazosentan prevents cerebral vasospasm, vasospasm-related cerebral infarction[1][5].

Product Specifications

CAS Number

[180384-56-9]

Product Name Alternative

Ro 61-1790; VML 588; AXV-034343

UNSPSC

12352005

Hazard Statement

H302, H315, H319, H335

Target

Endothelin Receptor

Type

Reference compound

Related Pathways

GPCR/G Protein

Applications

Neuroscience-Neuromodulation

Field of Research

Cardiovascular Disease

Assay Protocol

https://www.medchemexpress.com/clazosentan.html

Purity

99.50

Solubility

DMSO : 83.33 mg/mL (ultrasonic)

Smiles

O=S(C1=NC=C(C)C=C1)(NC2=NC(C3=CC(C4=NNN=N4)=NC=C3)=NC(OCCO)=C2OC5=CC=CC=C5OC)=O

Molecular Formula

C25H23N9O6S

Molecular Weight

577.57

Precautions

H302, H315, H319, H335

References & Citations

[1]Juif PE, et al. Clinical Pharmacology of Clazosentan, a Selective Endothelin A Receptor Antagonist for the Prevention and Treatment of aSAH-Related Cerebral Vasospasm. Front Pharmacol. 2021 Feb 4;11:628956. |[2]Povlsen GK, et al. MEK1/2 inhibitor U0126 but not endothelin receptor antagonist clazosentan reduces upregulation of cerebrovascular contractile receptors and delayed cerebral ischemia, and improves outcome after subarachnoid hemorrhage in rats. J Cereb Blood Flow Metab. 2015 Feb;35 (2) :329-37. |[3]Vatter H, et al. Cerebrovascular characterization of clazosentan, the first nonpeptide endothelin receptor antagonist clinically effective for the treatment of cerebral vasospasm. Part I: inhibitory effect on endothelin (A) receptor-mediated contraction. J Neurosurg. 2005 Jun;102 (6) :1101-7. |[4]Verri WA Jr, Guerrero AT, Fukada SY, Valerio DA, Cunha TM, Xu D, Ferreira SH, Liew FY, Cunha FQ. IL-33 mediates antigen-induced cutaneous and articular hypernociception in mice. Proc Natl Acad Sci U S A. 2008 Feb 19;105 (7) :2723-8. |[5]Juif PE, et al. Influence of Rifampin-Mediated Organic Anion-Transporting Polypeptide 1B1/1B3 Inhibition on the Pharmacokinetics of Clazosentan. Clin Transl Sci. 2019 Sep;12 (5) :440-444.