Podcast #261: Icatibant

Author: Aaron Lessen, M.D.

Educational Pearls

  • Icatibant was introduced to treat ACE-inhibitor induced angioendema.
  • This type of angioedema is refractory to epinephrine and antihistamines, and is likely mediated by elevated bradykinin.(which is inactivated by ATII and ACE).
  • Icatibant initially was shown to reduce facial swelling and airway obstruction in the setting of ACE-I angioedema, but later, better-powered studies showed that it had no benefit compared to standard treatment.

References: Sinert R et al. Randomized Trial of Icatibant for Angiotensin-Converting Enzyme Inhibitor-Induced Upper Airway Angioedema. J Allergy Clin Immunol Pract 2017. PMID: 28552382

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