See the DrugPatentWatch profile for Macitentan
What is macitentan, and what is it used for?
Macitentan is an oral medicine that blocks endothelin receptors (an endothelin receptor antagonist). It is used to treat pulmonary arterial hypertension (PAH) to improve outcomes in people with PAH [1].
How does macitentan work?
Endothelin is a substance that can narrow blood vessels and contribute to high blood pressure in the lungs. By blocking endothelin receptors, macitentan helps reduce the effects of endothelin on blood vessels in the pulmonary circulation [1].
How is macitentan taken (dose and schedule)?
The provided information does not include dosing instructions. For the correct dose, frequency, and how to take it, you should consult the prescribing information or your clinician [1].
What side effects do people ask about most?
The provided information does not list specific side effects. If you want, tell me the context (PAH treatment, pregnancy, liver issues, other meds), and I can tailor the side-effect questions to what matters for that situation—using the source data you provide [1].
Can macitentan interact with other medications?
The provided information does not include interaction details. If you share which medicines you’re taking, I can help you identify common interaction categories to discuss with a pharmacist or clinician [1].
Is macitentan used for other types of hypertension besides PAH?
The provided information only specifies use in pulmonary arterial hypertension (PAH). It does not indicate use for other hypertension types [1].
Sources
[1] https://reference.medscape.com/drug/opsumit-macitentan-1000112