A Phase 2, Two-Stage, Randomized, Double-Blind, Placebo-Controlled, Multiple-Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of RLS-0071 in Newborns With Moderate or Severe Hypoxic-Ischemic Encephalopathy Undergoing Therapeutic Hypothermia With Long-Term Follow-Up | Arctuva