Extravasation of an antibody-drug conjugate: A case report of epidermal necrosis after trastuzumab-emtansine extravasation

Bastiaan T G M Sallevelt, Teun Teunis, Mariette J Agterof, Marcel P H van den Broek

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Abstract

WHAT IS KNOWN AND OBJECTIVE: Trastuzumab-emtansine is an antibody-drug conjugate developed to decrease off-target toxicity. According to the product label, reactions secondary to extravasation are mild or moderate.

CASE SUMMARY: We report on a 51-year-old woman who developed epidermal necrosis after extravasation of trastuzumab-emtansine, which required surgical intervention. Six weeks later, the lesions were healed with residual hyperpigmentation.

WHAT IS NEW AND CONCLUSION: We describe the course of a case of severe toxicity following trastuzumab-emtansine extravasation. We provide treatment recommendations and recommend amending the information on the product label on extravasation.

Original languageEnglish
Pages (from-to)832-835
Number of pages4
JournalJournal of Clinical Pharmacy and Therapeutics
Volume45
Issue number4
DOIs
Publication statusPublished - Aug 2020

Keywords

  • antibody-drug conjugate
  • chemotherapy
  • epidermal necrosis
  • extravasation
  • oncology
  • trastuzumab-emtansine

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