Dermatological approach to vemurafenib skin toxicity: a single centre experience

Paolo Fava1, Elena Marra, Chiara Astrua

  • 1Department of Medical Science, University of Turin, Turin, Italy - paola.savoia@unito.it.

Abstract

Insights

Vemurafenib, a BRAF inhibitor for advanced melanoma, frequently causes skin reactions like rash and warts. Most side effects are manageable, but sun protection is crucial to mitigate photosensitivity and maintain quality of life.

Area of Science:

  • Oncology
  • Dermatology
  • Pharmacology

Background:

  • Targeted therapies, including RAF inhibitors, are transforming advanced melanoma treatment.
  • Vemurafenib is a standard therapy for metastatic BRAF-mutated melanomas.
  • Cutaneous reactions are common adverse effects of vemurafenib, impacting patient quality of life.

Purpose of the Study:

  • To offer practical management strategies for vemurafenib-induced cutaneous reactions.
  • To analyze the incidence and types of skin side effects in patients receiving vemurafenib.

Main Methods:

  • A cohort of 39 patients with BRAF-mutated metastatic melanoma was treated with vemurafenib (960 mg twice daily).
  • Patient demographics and treatment duration were recorded.
  • Cutaneous toxicities were systematically documented.

Main Results:

  • 74.4% of patients developed cutaneous toxicities after a median of 7 months.
  • Maculo-papular rash (56%) and warts (46%) were the most frequent reactions.
  • Other toxicities included keratinization alterations (25.6%), photosensitivity (15%), and keratoacanthomas (6 patients).

Conclusions:

  • Vemurafenib-related skin involvement is common but generally manageable and self-limiting.
  • Sun protection is essential for vemurafenib-treated patients to minimize photosensitivity.
  • Early implementation of sun protection strategies can improve quality of life during BRAF inhibitor therapy.

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