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ERA as specific PAH treatment — Competitive Intelligence Brief

ERA as specific PAH treatment (ERA as specific PAH treatment) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Endothelin receptor antagonist. Area: Cardiovascular.

phase 3 Endothelin receptor antagonist Endothelin receptor (ETA/ETB) Cardiovascular Small molecule Live · refreshed every 30 min

Target snapshot

ERA as specific PAH treatment (ERA as specific PAH treatment) — Eli Lilly and Company. Endothelin receptor antagonists (ERAs) block endothelin-1 signaling in pulmonary vasculature to reduce vasoconstriction and improve hemodynamics in pulmonary arterial hypertension.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
ERA as specific PAH treatment TARGET ERA as specific PAH treatment Eli Lilly and Company phase 3 Endothelin receptor antagonist Endothelin receptor (ETA/ETB)
Tryvio APROCITENTAN Idorsia marketed Endothelin Receptor Antagonist [EPC] 2025-01-01
SPARSENTAN SPARSENTAN marketed Endothelin Receptor Antagonist [EPC] 2023-01-01
Opsumit MACITENTAN AstraZeneca marketed Endothelin Receptor Antagonist [EPC] Endothelin-1 receptor 2013-01-01
Letairis AMBRISENTAN Gilead Sciences marketed Endothelin Receptor Antagonist [EPC] Endothelin-1 receptor 2007-01-01
Tracleer BOSENTAN AstraZeneca marketed Endothelin Receptor Antagonist Endothelin-1 receptor 2001-01-01
Ambrisentan plus Spironolactone Ambrisentan plus Spironolactone Brigham and Women's Hospital marketed Endothelin receptor antagonist + Mineralocorticoid receptor antagonist combination Endothelin-1 receptor (ETA/ETB) + Mineralocorticoid receptor

Recent regulatory actions (last 90 days)

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

Sponsor landscape (Endothelin receptor antagonist class)

  1. AbbVie (prior sponsor, Abbott) · 2 drugs in this class
  2. Actelion · 2 drugs in this class
  3. Bayer · 1 drug in this class
  4. Dr Sudarshan Rajagopal · 1 drug in this class
  5. Eli Lilly and Company · 1 drug in this class
  6. Elpen Pharmaceutical Co. Inc. · 1 drug in this class
  7. National Heart, Lung, and Blood Institute (NHLBI) · 1 drug in this class

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Cite this brief

Drug Landscape (2026). ERA as specific PAH treatment — Competitive Intelligence Brief. https://druglandscape.com/ci/era-as-specific-pah-treatment. Accessed 2026-05-17.

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