Not from a medical journal, but an interesting type of research we haven't heard much of:
https://www.technologynetworks.com/tn/news/food-and-drug-allergy-anaphylaxis-could-be-prevented-with-a-pill-335677 (https://www.technologynetworks.com/tn/news/food-and-drug-allergy-anaphylaxis-could-be-prevented-with-a-pill-335677)