Medical Uses
Kalydeco (ivacaftor), from Vertex Pharmaceuticals, is indicated for the treatment of cystic fibrosis (CF) in patients 1 month of age and older who have at least one mutation in the CFTR gene that is responsive to ivacaftor based on clinical and/or in vitro assay data (e.g., certain gating mutations including G551D).
Ivacaftor is a CFTR potentiator. In patients with responsive CFTR mutations, the CFTR protein reaches the cell surface but does not open properly. Ivacaftor helps keep the CFTR channel open longer, improving chloride ion transport across cell membranes and helping to thin the mucus associated with cystic fibrosis.
