Can subcutaneous treprostinil be an alternative for treating pulmonary hypertension in patients with systemic sclerosis-related interstitial lung disease?

Pulmonary hypertension (PH) is one of the most feared complications of systemic sclerosis (SSc). There are currently specific drugs approved for PH group I (pulmonary arterial hypertension - PAH), but for PH related to lung disease (group III) the use of vasodilators is still controversial and not routinely recommended in patients with non-severe PH. However, SSc-PH-interstitial lung disease (ILD) has a poorer survival compared with SSc-PAH, making the management of these patients a challenge, ideally carried out in a reference centre. Herein we report the case of a a 45-year-old female with systemic sclerosis-myositis overlap syndrome, with documented lung involvement (ILD with fibrotic nonspecific interstitial/organizing pneumonia pattern), who was diagnosed with pre-capillary PH. She started sequential combination vasodilator therapy including parenteric prostanoid, with clinical benefit and without evidence of ILD worsening.