- Abstract Number: 1651 • 2019 ACR/ARP Annual Meeting - Multicenter Double-Blind, Proof-of-Concept, Randomized Placebo-Controlled Trial of Riociguat in Systemic Sclerosis-associated Digital UlcersBackground/Purpose: The soluble guanylate cyclase stimulator riociguat (RIO) is a vasodilator with efficacy in patients with pulmonary arterial hypertension associated with connective tissue disease. Our…
