Macitentan (Opsumit) is a novel oral dual endothelin receptor antagonist for pulmonary hypertension. Actelion submitted its FDA new drug application for macitentan in October 2012.
Bosentan and macitentan (ERA's) prevent the endothelial–to–mesenchymal transition (EndoMT) in systemic sclerosis: in vitro study. The present study provides further in vitro evidence of the use of ERA in inhibiting the EndoMT process, supporting the clinical efficacy of these drugs in SSc therapy and their usefulness for interfering with progressive fibrosis. PMC, Arthritis Res Ther, October 2016; 18: 228. (Also see Tracleer (Bosentan) and Fibroblasts)
(Update) Sara P: CREST Syndrome I am still doing well. I’ve been stable on the PAH meds, Opsumit and ADCIRCA... Posted 02/16/2018.
(Update) Sherri M: CREST Syndrome. I have been put on Opsumit for the Pulmonary Hypertension. I have been on it for ten weeks now. I started to notice a tiny difference at around week 7; I felt just a little less short of breath… Posted 08/24/2015.
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