Serum GDF15 adds prognostic value to forced vital capacity in fibrotic interstitial lung disease.
BACKGROUND Antifibrotic therapy slows fibrotic interstitial lung disease (ILD) progression. However, fibrotic ILD remains a major life-threatening condition, with associated morbidity and mortality increasing annually. Growth differentiation factor 15 (GDF15), a stress-responsive cytokine within the transforming growth...