Hypersensitivity to IV Ustekinumab but Tolerance to Subcutaneous Ustekinumab in a Patient With Crohnʼs Disease: 2047

Published on Oct 1, 2018in The American Journal of Gastroenterology10.171
· DOI :10.14309/00000434-201810001-02047
Noa Krugliak Cleveland9
Estimated H-index: 9
Alexandra Masching1
Estimated H-index: 1
David T. Rubin91
Estimated H-index: 91
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#1Pepijn W. A. Thomas (Radboud University Nijmegen)H-Index: 1
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Recently, ustekinumab has been approved for the treatment of Crohn's disease and ulcerative colitis. Treatment is started with an intravenous induction dose, followed by a subcutaneous dosage. We present three patients with therapy-refractory Crohn's disease, who experienced an immediate infusion reaction to intravenous administration of ustekinumab. In two of these patients a subsequent reaction to subcutaneous injections occurred. Clinical features and pathophysiology are discussed.
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