Background: There have been significant advances in Cystic Fibrosis (CF) treatment, with the introduction of Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) modulators. Adherence is an important goal for CF management, as nonadherence is linked to poor health outcomes.
Objective: To calculate the medication adherence in patients taking CFTR modulators using a national specialty pharmacy database.