RecruitingPhase 1Drug trialInhaled Ciclesonide Study in Preterm InfantsOur overall objective is to conduct a safety study with inhaled ciclesonide to evaluate known glucocorticoids (sGC)-related acute and intermediate toxic effects while measuring for the first time in neonates its systemic absorption and potential bioactivity (i.e. activation of primary target, the GR, in blood cells).