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Granulocyte-dependent Autoantibody-induced Skin Blistering
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Flexural Exanthema From Enfortumab Vedotin
Dinesh Keerty1, Laura Graham2, Elizabeth Haynes2
1Internal and Hospital Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, USA.
Cureus
|June 17, 2020
Summary
Enfortumab vedotin, an antimitotic therapy, can cause skin reactions like symmetrical drug-related intertriginous and flexural exanthema. Topical corticosteroids effectively treated this adverse event in a patient with urothelial malignancy.
Area of Science:
- Oncology
- Dermatology
- Pharmacology
Background:
- Urothelial malignancies are often treated with platinum-based chemotherapy.
- Novel antimitotic therapies, including enfortumab vedotin, are emerging for refractory cases.
- Enfortumab vedotin targets nectin-4, expressed in various epithelial cancers.
Observation:
- A patient receiving enfortumab vedotin developed symmetrical drug-related intertriginous and flexural exanthema.
- This specific cutaneous toxicity is a notable adverse reaction.
- The patient's condition was successfully managed with topical corticosteroids.
Findings:
- Enfortumab vedotin, an antibody-drug conjugate, is associated with significant cutaneous toxicity.
- Symmetrical drug-related intertriginous and flexural exanthema is a documented side effect.
- Topical corticosteroids provide an effective treatment for this adverse reaction.
Implications:
- Awareness of potential skin toxicities is crucial for clinicians managing patients on enfortumab vedotin.
- Prompt recognition and treatment of cutaneous adverse events can improve patient outcomes.
- Further research into managing side effects of antibody-drug conjugates is warranted.
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