Inhaled treprostinil in group 3 pulmonary hypertension associated with lung disease: results of the INCREASE and PERFECT studies

Group 3 pulmonary hypertension (PH) associated with lung disease is a common cause of PH and is associated with substantial morbidity and mortality. Multiple studies of pulmonary arterial hypertension (PAH) therapies in this population have demonstrated conflicting results regarding their safety and efficacy, and therefore the optimum treatment for this group is unknown. The INCREASE and PERFECT randomised, double-blind, placebo-controlled trials attempted to address this unmet need by exploring the role of inhaled treprostinil (iTRE) in PH associated with interstitial lung disease (PH-ILD) and PH associated with COPD (PH-COPD), respectively. In the INCREASE and PERFECT studies individuals were randomised to placebo or iTRE, which was administered via an ultrasonic, pulsed-delivery nebuliser to a maximum dose of 72 

• Cullivan, S.
• Genecand, L.
• El-Merhie, N.
• MacKenzie, A.
• Lichtblau, M.