Krystal Biotech Announces Positive Interim Clinical Update from KB407 Phase 1 CORAL-1 Study with Confirmation of Wild-Type CFTR Delivery to the Lungs of Patients with Cystic Fibrosis

Confirmed wild-type CFTR delivery and expression in conducting airway cells of patients with class I mutations KB407 transduction confirmed in all six patients with successful bronchoscopies irrespective of modulator-status; percentage of conducting airway cells transduced in each patient ranged from 29.4% to 42.1% Registrational repeat dosing CORAL-3 study design submitted to FDA in late December; anticipating enrollment in study to start in 1H 2026 following alignment with the FDA Investor call to be he ...