OPSUMIT (macitentan) by Johnson & Johnson is endothelin receptor antagonists [moa]. Approved for pulmonary arterial hypertension. First approved in 2013.
Drug data last refreshed 19h ago · AI intelligence enriched 3w ago
OPSUMIT (macitentan) is an oral endothelin receptor antagonist approved by the FDA in October 2013 for the treatment of pulmonary arterial hypertension (PAH). The drug works by blocking endothelin receptors, which are responsible for vasoconstriction and cell proliferation in the pulmonary vasculature. Macitentan is a selective dual endothelin receptor antagonist that has demonstrated efficacy in reducing PAH disease progression and improving exercise capacity in patients.
Endothelin Receptor Antagonists
Endothelin Receptor Antagonist
A Study of Macitentan in Japanese Pediatric Participants With Pulmonary Arterial Hypertension
A Study of Macitentan/Tadalafil Combination Administered a Fixed-dose Combination Formulation Compared to the Reference Free Combination of Macitentan and Tadalafil
A Study of Pulmonary Arterial Hypertension Participants Treated With Macitentan or Selexipag
A Study of Macitentan, in Healthy Japanese Male Participants
A Study of Macitentan and Tadalafil as a Fixed Dose Combination and the Free Combination in Healthy Adult Participants
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The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.
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$1.0B Medicare spend — this is a commercially significant brand
OPSUMIT supports roles including brand managers, medical science liaisons, and field sales representatives who engage pulmonologists, cardiologists, and PAH specialists. Success in this space requires expertise in pulmonary hypertension pathophysiology, competitive positioning within the ERA class, and managed care navigation given the $1B+ annual spending. Currently, there are zero open positions linked to this product, suggesting stable team staffing or reduced expansion plans.