However, the novel GR ligand vamorolone increases strength in mdx mice and boys with DMD without causing the same stunted growth as that seen for prednisone (Heier et al., 2013; Smith et al., 2020; Mah et al., 2022; Dang et al., 2024). The gene discussed is NR3C1; the disease is Duchenne muscular dystrophy.