Characteristics and disease course of untreated patients with interstitial lung disease associated with systemic sclerosis in a real-life two-centre cohort.

Background: Interstitial lung disease (ILD) is the leading cause of death in systemic sclerosis (SSc). According to expert statements, not all SSc-ILD patients require pharmacological therapy.

Objectives: To describe disease characteristics and disease course in untreated SSc-ILD patients in two well characterised SSc-ILD cohorts.