Arrowhead Pauses ARO-ENaC Study Amid Safety Concerns
Arrowhead Pharmaceuticals has voluntarily paused new screening, enrollment, and dosing in its Phase 1/2 trial of ARO-ENaC, an investigational treatment for cystic fibrosis (CF). The decision came after unexpected signs of local lung inflammation occurred in an ongoing chronic toxicology study taking place in rats. “The safety of…