RecruitingDrug trialTesting Drug Efficacy in Cystic Fibrosis Through N-of-1 TrialsThe purpose of this study is to validate and utilize a personalized medicine approach to identify potential treatments with current FDA approved CFTR modifiers for non-approved CF gene mutations. The study will perform ex vivo testing of CFTR function and current marketed CFTR modulating drugs on expanded nasal cells at Cincinnati Children's Human Nasal Epithelium (HNE) Core Laboratory. The results will be confirmed and translated into bedside care through an N of 1 trial to determine effectiveness of treatment.