Initial combination therapy with macitentan and tadalafil in patients with pulmonary arterial hypertension, with and without cardiac comorbidities

AIMS: According to current guidelines, initial monotherapy should be considered for pulmonary arterial hypertension (PAH) patients with cardiopulmonary comorbidities. This analysis of combined data from the TRITON and REPAIR clinical trials, assesses efficacy and safety of initial double combination therapy in patients without vs. with 1-2 cardiac comorbidities. METHODS AND RESULTS: Data were combined for patients from TRITON (NCT02558231) and REPAIR (NCT02310672) on initial macitentan and tadalafil double combination therapy (overall set, n = 148) and two subgroups defined as patients without cardiac comorbidities (n = 62) and those with 1-2 cardiac comorbidities (n = 78). Patients with

• McLaughlin, V. V.
• Sitbon, O.
• Chin, K. M.
• Galiè, N.
• Hoeper, M. M.
• Kiely, D. G.
• MacDonald, G.
• Martin, N.
• Mathai, S. C.
• Peacock, A.
• Tawakol, A.
• Torbicki, A.
• Noordegraaf, A. V.
• Rosenkranz, S.