Yasmeen Rahimi's questions to Arcturus Therapeutics Holdings (ARCT) leadership • Q2 2025
Question
Yasmeen Rahimi from Piper Sandler Companies asked for insights into the blinded safety and efficacy data for the cystic fibrosis program and questioned the progress made with regulatory agencies on using biomarkers like glutamine as a registrational endpoint for the OTC deficiency program.
Answer
President and CEO Joseph Payne addressed safety by highlighting Arcturus's proprietary LUNAR delivery technology and mRNA purification processes, which are designed to mitigate toxicology and tolerability issues seen in prior inhaled RNA therapies. For the OTC program, he confirmed the FDA is aware of their biomarker strategy, including the N15 Ureagenesis Assay, and that achieving regulatory alignment on a pivotal trial design is a key upcoming objective.