Arcturus Therapeutics Holdings Inc. engages in the development of infectious disease vaccines and other products within liver and respiratory rare diseases. Its technology platforms includes LUNAR lipid-mediated delivery and STARR mRNA. The company is developing ARCT-810 (LUNAR-OTC), a mRNA-based therapeutic candidate, which is in Phase 2 clinical trial for treating ornithine transcarbamylase deficiency; and ARCT-032 (LUNAR-CF), a mRNA therapeutic candidate that is in phase 2 clinical trial for cystic fibrosis.