Efficacy and safety of sildenafil added to pirfenidone in patients with advanced idiopathic pulmonary fibrosis and risk of pulmonary hypertension: a double-blind, randomised, placebo-controlled, phase 2b trial

Authors: Jürgen Behr, Steven D. Nathan, Wim Wuyts, Nesrin Mogulkoc Bishop, Demosthenes Bouros, Κατερίνα Αντωνίου, Julien Guiot, Mordechai R. Kramer, Klaus-Uwe Kirchgaessler, Monica Bengus, Frank Gilberg, Andras Perjesi, Sergio Harari, Athol U. Wells - The Lancet 2020 cited by 134