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macitentan
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macitentan

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Also known as ACT-064992, ACT064992, ACT 064992

Macitentan, sold under the brand name Opsumit, is an endothelin receptor antagonist developed by Actelion and approved for the treatment of pulmonary arterial hypertension (PAH). Macitentan is a dual endothelin receptor antagonist, meaning that it acts as an antagonist of two endothelin (ET) receptor subtypes, ETA and ETB. However, macitentan has a 50-fold increased selectivity for the ETA subtype compared to the ETB subtype.

~4 min read

Encyclopedic overview

7 sections
Contents
  • Adverse effects
  • Mechanism of action
  • Endothelin and endothelin receptors
  • Role of macitentan
  • Pharmacokinetics
  • Experimental pharmacokinetics
  • References

Macitentan, sold under the brand name Opsumit, is an endothelin receptor antagonist developed by Actelion and approved for the treatment of pulmonary arterial hypertension (PAH). Macitentan is a dual endothelin receptor antagonist, meaning that it acts as an antagonist of two endothelin (ET) receptor subtypes, ETA and ETB. However, macitentan has a 50-fold increased selectivity for the ETA subtype compared to the ETB subtype.

Macitentan was approved for medical use in the United States in October 2013.

Excerpted from Wikipedia’s “macitentan” article, available under the CC BY-SA 4.0 licence.