Vertex Pharmaceuticals Inc. (NASDAQ: VRTX) shares saw a handy gain on Thursday after the U.S. Food and Drug Administration (FDA) gave the nod to Vertexs cystic fibrosis (CF) treatment. Essentially, the FDA approved Kalydeco (ivacaftor) to include use in children diagnosed with CF ages 12 to 24 months who have at least one mutation in their cystic fibrosis transmembrane conductance regulator (CFTR) gene.

This FDA approval is based on data from the ongoing Phase 3 study (ARRIVAL) of 25 children with CF aged 12 to 24 months who have one of 10 mutations in the CFTR gene. The study demonstrated....More>>>