Arrowhead Pharmaceuticals files for regulatory clearance to begin phase 1/2a study of ARO-ENaC for treatment of cystic fibrosis

Arrowhead Pharmaceuticals has filed an application for clearance to begin a Phase 1/2a clinical trial of ARO-ENaC, the company’s investigational RNA interference (RNAi) therapeutic being developed as a treatment for patients with cystic fibrosis (CF), which is a rare disease caused by genetic mutations that lead to progressive deterioration in lung function due to poor clearance of mucus and associated recurrent infections.