Who are Tracleer's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Opsumit, Letairis, Azo Gantrisin, Gantrisin, Pivlaz, Ambrisentan plus Spironolactone.

How often does this brief refresh?

Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

How do I get this as a recurring report?

Subscribe to /feed/ci/bosentan.xml in any RSS reader (Feedly, Inoreader, NewsBlur). Every regulatory action, trial readout, or patent event lands in your feed automatically.

Last reviewed 2026-05-13 · How we verify

Tracleer — Competitive Intelligence Brief

Tracleer (BOSENTAN) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Endothelin Receptor Antagonist. Area: Immunology.

marketed Endothelin Receptor Antagonist Endothelin-1 receptor Immunology Small molecule Live · refreshed every 30 min

Target snapshot

Tracleer (BOSENTAN) — AstraZeneca.

Comparator set (6 drugs)

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

Drug	Generic	Sponsor	Phase	Class	Target	Approval / PDUFA
Tracleer TARGET	BOSENTAN	AstraZeneca	marketed	Endothelin Receptor Antagonist	Endothelin-1 receptor	2001-01-01
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
Azo Gantrisin	sulfafurazole	Alra	marketed	Sulfonamide Antimicrobial	Endothelin-1 receptor	1971-01-01
Gantrisin	SULFISOXAZOLE ACETYL	Roche	marketed		Endothelin B receptor, Endothelin-1 receptor, Dihydropteroate synthase	1953-01-01
Pivlaz	CLAZOSENTAN	Idorsia Pharmaceuticals Japan Ltd	marketed		Endothelin-1 receptor
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)

2026-03-03 — Tracleer · FDA · approved · US · AstraZeneca

Upcoming PDUFA dates (next 180 days)

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

Patent timeline (forward window)

2026-05-15 — Tracleer · 8309126 · Formulation · US
2027-12-28 — Tracleer · 7959945 · Formulation · US

Sponsor landscape (Endothelin Receptor Antagonist class)

AstraZeneca · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Tracleer — Competitive Intelligence Brief. https://druglandscape.com/ci/bosentan. Accessed 2026-05-13.

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