Randomized controlled trials have shown that treatment of chronically ventilated preterm infants after the first week of life with dexamethasone reduces the incidence of the combined outcome death or bronchopulmonary dysplasia (BPD). | Systemic hydrocortisone to prevent bronchopulmonary dysplasia in preterm infants (the SToP-BPD study): A multicenter randomized placebo controlled trial