June 18, 2025 -- Diagonal Therapeutics, a biotechnology company focused on correcting dysregulated signaling with clustering antibodies that address the underlying cause of intractable genetic diseases, today announced that both the U.S. Food and Drug Administration (FDA) granted orphan drug designation (ODD) to DIAG723, a novel, bispecific antibody, for the treatment of hereditary hemorrhagic telangiectasia (HHT). Additionally, the European Medicines Agency (EMA) provided a positive opinio