Background: Biosimilars represent a significant cost savings opportunity for the entire healthcare system. Despite efforts from the United States Food and Drug Administration, adoption has not been as successful as originally hoped. Perceived barriers to adoption of biosimilars have been described previously, but more knowledge is needed.
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January 2021
Purpose: A case of infusion-related angioedema associated with the use of an infliximab biosimilar (infliximab-abda) is reported in order to bring awareness that this adverse effect is still highly possible in biosimilars, similar to the reference infliximab biologic.
Summary: A 37-year-old white male with a past medical history significant for ileocolonic fistulizing Crohn's disease, depression, and gastroesophageal reflux disease (GERD) presented to an emergency department with shortness of breath, urticaria, and tongue swelling that had developed shortly after initiation of an infusion of infliximab-abda. The patient had no documented allergies at the time of presentation.
Warfarin has been the cornerstone of therapy for patients with stage 4 and 5 chronic kidney disease (CKD) requiring anticoagulation. These patients were omitted from landmark clinical trials involving apixaban. Apixaban's safety profile is still largely unclear in this population.
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