Efficacy of dupilumab as an alternative to corticosteroids in the treatment of exacerbations of allergic bronchopulmonary aspergillosis.

The pathogenesis of allergic bronchopulmonary aspergillosis involves not only eosinophils but also plasma cells that produce immunoglobulin E. Dupilumab may be an effective alternative to corticosteroids because it inhibits T cell to plasma cell differentiation by blocking IL4.