There was no clear design of change in bloodstream eosinophil levels with dupilumab. Future studies of dupilumab will include observations of eosinophil levels. The magnitude and breadth of efficacy that people observed exceed those in various other studies of Th2 cytokine inhibtion.8-11,13,14 Our data contrast with those in research of tralokinumab and lebrikizumab, both monoclonal antibodies targeting interleukin-13 without effects on interleukin-4.When dexamethasone was removed from the cultures of hemangioma-derived stem cells, the suppressive aftereffect of dexamethasone persisted for 8 days . A similar effect on VEGF-A expression was seen with other types of corticosteroids, including prednisone, prednisolone, methylprednisolone, and hydrocortisone . To assess the functional significance of VEGF-A creation, we tested the power of conditioned media from cultures of hemangioma-derived stem cells to stimulate the migration of cord-blood endothelial progenitor cells, an activity that would be expected if VEGF-A was present.