The Medical Letter on Drugs and Therapeutics
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1272
Ambrisentan (Letairis) for Pulmonary Arterial Hypertension
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Ambrisentan (Letairis – Gilead), a selective endothelin type A (ETA) receptor antagonist, has been approved by the FDA for treatment of symptomatic patients (WHO class II or III) with pulmonary arterial hypertension (PAH).

THERAPY FOR PAH — New guidelines for treatment of PAH have recently been published.1 Standard management includes warfarin (Coumadin, and others), furosemide (Lasix, and others) and, in a small number of patients (after testing for vasoreactivity), a calcium channel blocker.2 For patients who need additional treatment, a systemic prostacyclin such as epoprostenol (Flolan) or treprostinil (Remodulin), both given as continuous infusions, or iloprost (Ventavis), given by multiple daily inhalations, is used. Oral options for PAH include sildenafil (Revatio), which inhibits phosphodiesterase ... more      

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Title: Ambrisentan (Letairis) for Pulmonary Arterial Hypertension
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