OPSUMIT vs TRACLEER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. OPSUMIT and TRACLEER are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	OPSUMIT	TRACLEER
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	MACITENTAN	BOSENTAN
Manufacturer	Actelion	Actelion
Dosage forms	Tablet	Tablet
Drug class	Endothelin Receptor Antagonist	Endothelin Receptor Antagonist
Boxed warning	Boxed warning	Boxed warning
Half-life	about 16 hours (apparent elimination half-life)	—
Treats	Pulmonary Hypertension	Pulmonary Hypertension

opsumit tracleer

Rating

New

Pharmacy pays

—

Type

Active ingredient

MACITENTAN

BOSENTAN

Manufacturer

Actelion

Dosage forms

Tablet

Drug class

Endothelin Receptor Antagonist

Boxed warning

Half-life

about 16 hours (apparent elimination half-life)

—

Treats

Pulmonary Hypertension

Frequently asked questions

What is the difference between Opsumit and Tracleer?

Opsumit contains Macitentan, while Tracleer contains Bosentan — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.