REAL-world clinical effectiveness of ivacaftor therapy in the first 24 months in two infants with cystic fibrosis and different gating mutations-A case report.

This study summarizes efficacy of ivacaftor treatment in 2 infants in a real-world setting. A distinct decline of sweat chloride and lung clearance index plus increase in fecal elastase was seen. The results underline the early and sustainable effect and give cause for discussing whether a reduction in standard cystic fibrosis therapy is possible.