A Study to Assess Pulsed Inhaled Nitric Oxide in Subjects With Pulmonary Fibrosis at Risk for Pulmonary Hypertension

This is a Phase 3, randomized, double-blind, placebo-controlled dose escalation and verification clinical study to assess the safety and efficacy of pulsed inhaled nitric oxide (iNO) in subjects at risk for pulmonary hypertension associated with pulmonary fibrosis on long term oxygen therapy (Part 1 and Part 2) - REBUILD