Cystic fibrosis (CF) is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene, encoding for a chloride ion channel. Membrane expression of CFTR is negatively regul
*The preferred adverse event term used for “CF exacerbation” was “cystic fibrosis.”A patient may have been counted in more than one preferred term. Percentages were calculated using the total number o