GLPG2222

A Study Looking at the Safety, Tolerability and Efficacy of the Combination of the Study Drugs GLPG2451 and GLPG2222 With or Without GLPG2737 in Patients With Cystic Fibrosis.

A Phase IIa, randomized, double-blind, placebo-controlled study to evaluate multiple doses of GLPG2222 in subjects with Cystic Fibrosis who are homozygous for the F508del mutation