Vertex Pharmaceuticals Incorporated
Modulators of cystic fibrosis transmembrane conductance regulator

Abstract:

The present invention features a compound of formula I: ##STR00001## or a pharmaceutically acceptable salt thereof, where R.sub.1, R.sub.2, R.sub.3, W, X, Y, Z, n, o, p, and q are defined herein, for the treatment of CFTR mediated diseases, such as cystic fibrosis. The present invention also features pharmaceutical compositions, method of treating, and kits thereof.