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Expert Rev Respir Med · Jun 2012
ReviewInhaled treprostinil for the treatment of pulmonary arterial hypertension.
- Barbara L LeVarge and Richard N Channick.
- Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA. blevarge@partners.org
- Expert Rev Respir Med. 2012 Jun 1;6(3):255-65.
AbstractTreprostinil is a prostacyclin derivative approved for the treatment of pulmonary arterial hypertension by intravenous, subcutaneous and inhalational administration. Unlike its precursor epoprostenol, treprostinil is chemically stable at room temperature and neutral pH, and its plasma half-life is longer. In addition to promoting smooth muscle relaxation in the pulmonary vasculature, treprostinil has suppressive effects on platelet aggregation, smooth muscle proliferation and inflammation. A Phase III study, investigating the addition of inhaled treprostinil to oral bosentan or sildenafil, confirmed significant improvements in exercise capacity and quality of life. This review examines the pharmacodynamics, pharmacokinetics, clinical efficacy and safety of inhaled treprostinil for use in pulmonary arterial hypertension.
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