Effects of Interleukin (IL)- 4R-alpha Inhibition on Respiratory Microbiome and Immunologic Correlates in Severe Asthma

"Participants will receive 8 doses of Dupilumab. The initial loading dose (visit 1) of 600 milligrams (two 300 milligram injections) will be given subcutaneously (SQ). Then the participants will receive 300 milligrams SQ every other week (q 2 weeks) either at a study visit or self-administered at home between visits.~Additionally, participants will complete questionnaires, have specimens collected, as well as perform breathing procedures at various timepoints."