PG 01 is a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator. PG 01 is effective on G970R although with a significant decrease in potency relative to E193K and δF508.
GLPG2451 is a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator, which effectively potentiates low temperature rescued F508del CFTR with an EC50 of 11.1 nM.