Overview Effects of Metformin on Airway Ion Channel Dysfunction in Cystic Fibrosis-related Diabetes Status: Not yet recruiting Trial end date: 2025-10-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess the efficacy of metformin to improve airway ion channel function in those with CF-related diabetes (CFRD) Phase: Phase 2 Details Lead Sponsor: University of Kansas Medical CenterTreatments: Metformin