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- Title
Analysis of Dermatologic Events in Vemurafenib-Treated Patients WithMelanoma.
- Authors
Lacouture, Mario E.; Duvic, Madeleine; Hauschild, Axel; Prieto, Victor G.; Robert, Caroline; Schadendorf, Dirk; Kim, Caroline C.; McCormack, Christopher J.; Myskowski, Patricia L.; Spleiss, Olivia; Trunzer, Kerstin; Su, Fei; Nelson, Betty; Nolop, Keith B.; Grippo, Joseph F.; Lee, Richard J.; Klimek, Matthew J.; Troy, James L.; Joe, Andrew K.
- Abstract
Background. Vemurafenib has been approved for the treatment of patients with advanced BRAFV600E-mutant melanoma. This report by the Vemurafenib Dermatology Working Group presents the characteristics of dermatologic adverse events (AEs) that occur in vemurafenib-treated patients, including cutaneous squamous cell carcinoma (cuSCC). Methods. Dermatologic AEs were assessed from three ongoing trials of BRAFV600E mutation-positive advanced melanoma. Histologic central review and genetic characterization were completed for a subset of cuSCC lesions. Results. A total of 520 patients received vemurafenib. The most commonly reported AEs were dermatologic AEs, occurring in 92%-95% of patients. Rash was the most common AE (64%-75% of patients), and the most common types were rash not otherwise specified, erythema, maculopapular rash, and folliculitis. Rash development did not appear to correlate with tumor response. Photosensitivity occurred in 35%- 63% of patients, and palmar-plantar erythrodysesthesia (PPE) occurred in 8%-10% of patients. The severity of rash, photosensitivity, and PPE were mainly grade 1 or 2. In all, 19%-26% of patients developed cuSCC, mostly keratoacanthomas (KAs). The majority of patients with cuSCC continued therapy without dose reduction after resection. Genetic analysis of 29 cuSCC/KA samples demonstrated HRAS mutations in 41%. Conclusions. Dermatologic AEs associated with vemurafenib treatment in patients with melanoma were generally manageable with supportive care measures. Dose interruptions and/or reductions were required in_10%of patients.
- Subjects
ANTINEOPLASTIC agents; BIOPSY; CLINICAL trials; DRUG eruptions; EXANTHEMA; MELANOMA; GENETIC mutation; PHOTOSENSITIVITY disorders; RESEARCH funding; DISEASE incidence; SEVERITY of illness index; DESCRIPTIVE statistics; KAPLAN-Meier estimator
- Publication
Oncologist, 2013, Vol 18, Issue 3, p314
- ISSN
1083-7159
- Publication type
Article
- DOI
10.1634/theoncologist.2012-0333