Oral food challenge management in Japan: A retrospective analysis of health insurance claims data.

The proportions of male patients, patients with a history of anaphylaxis and wheezing, and patients treated in hospitals were highest in the >=3 years group. Keywords: adrenaline; anaphylaxis; food allergy; oral food challenge; safety EN adrenaline anaphylaxis food allergy oral food challenge safety 898 900 3 07/11/22 20220701 NES 220701 Key message We analysed treatments given for oral food challenge reactions in children under 9 in Japan. The proportion of anaphylaxis during OFC was relatively low, and there were no life-threatening events in both clinics and hospitals, as exemplified by the low number of adrenaline injections. The proportion of all OFC patients receiving adrenaline injections was 0.8%, and that of patients receiving more than two adrenaline injections was 0.1%. [Extracted from the article]