To determine if elexacfator-tezacaftor-ivacaftor improves the signs and symptoms of CF-related sinus disease, before and after initiation of triple combination therapy, each subject will undergo sinus CT scan and complete questionnaires related to signs and symptoms of sinus disease.
The study's main goal is to observe how effective elexacaftor-tezacaftor-ivacaftor is for improving the symptoms and signs of CF-related sinus disease.