FOXO1 and Duchenne muscular dystrophy: Chronic treatment with glucocorticoids (prednisone, deflazacort) is the current standard of care for DMD, yet glucocorticoids are well-known to induce muscle atrophy pathways via FOXO1, stunt the growth of paediatric patients, and can suppress the immune system which plays an important role in myofibre repair cycles.