The FDA has approved an antibody drug called omalizumab (brand name Xolair) as an injection to lessen allergic reactions to foods in people ages 1 and up. The drug works by binding to a class of antibodies called immunoglobulin E, preventing them from triggering an allergic response. https://arstechnica.com/science/2024/02/fda-approves-first-drug-to-lessen-food-allergies-before-accidental-eating/