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Journal Articles European Respiratory Journal Year : 2016

Initial dual oral combination therapy in pulmonary arterial hypertension

Pascal de Groote
  • Function : Author

Abstract

Treatment for pulmonary arterial hypertension (PAH) has been underpinned by single-agent therapy to which concomitant drugs are added sequentially when pre-defined treatment goals are not met. This retrospective analysis of real-world clinical data in 97 patients with newly diagnosed PAH (86% in New York Heart Association functional class III−IV) explored initial dual oral combination treatment with bosentan plus sildenafil (n=61), bosentan plus tadalafil (n=17), ambrisentan plus tadalafil (n=11) or ambrisentan plus sildenafil (n=8). All regimens were associated with significant improvements in functional class, exercise capacity, dyspnoea and haemodynamic indices after 4 months of therapy. Over a median follow-up period of 30 months, 75 (82%) patients were still alive, 53 (71%) of whom received only dual oral combination therapy. Overall survival rates were 97%, 94% and 83% at 1, 2 and 3 years, respectively, and 96%, 94% and 84%, respectively, for the patients with idiopathic PAH, heritable PAH and anorexigen-induced PAH. Expected survival rates calculated from the French equation for the latter were 86%, 75% and 66% at 1, 2 and 3 years, respectively. Initial combination of oral PAH-targeted medications may offer clinical benefits, especially in PAH patients with severe haemodynamic impairment.
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Dates and versions

hal-01301539 , version 1 (28-03-2020)

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Olivier Sitbon, Caroline Sattler, Laurent Bertoletti, Laurent Savale, Vincent Cottin, et al.. Initial dual oral combination therapy in pulmonary arterial hypertension. European Respiratory Journal, 2016, 47 (6), pp.1727-1736. ⟨10.1183/13993003.02043-2015⟩. ⟨hal-01301539⟩
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