Successful Desensitization and Therapeutic Use of Infliximab in Adult and Pediatric Crohn's Disease Patients With Prior Anaphylactic Reaction

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Abstract
Infusion of the antitumor necrosis factor-α chimeric monoclonal antibody infliximab is highly effective in the treatment of refractory and fistulizing Crohn's disease (CD), but can be associated with the development of severe allergic reactions during retreatment, precluding further use of the medication. We present two CD patients (one adult and one child) with a history of anaphylactic/anaphylactoid reactions to retreatment with infliximab who subsequently underwent successful desensitization and therapeutic infusion using parenteral dose escalation in an intensive care unit setting.