A Case of Dasatinib-Induced Keratosis Pilaris

Olivia Arriaza; Frank Winsett; Janice Wilson; Brent Kelly

doi:10.25251/skin.7.1.13

A Case of Dasatinib-Induced Keratosis Pilaris

Olivia Arriaza, Frank Winsett, Janice Wilson, Brent Kelly

Dermatology

Research output: Contribution to journal › Article › peer-review

Abstract

Dasatinib is a second-generation tyrosine kinase inhibitor (TKI) indicated for treatment of chronic myeloid leukemia (CML). Dasatinib targets several proteins specific to cancer pathogenesis such as Bcr-Abl, Src, c-kit and PDGFRb. Cutaneous reactions are a well-documented side effect of many TKIs, however, there are limited reports and characterization of dasatinib induced rash. We report a case of keratosis pilaris and follicular epithelial thinning in a 19-year-old patient one month after beginning dasatinib for treatment of CML. This report suggests a possible role of dasatinib in the induction of epithelial follicular instability via reduced Src activity and subsequent down regulation of EGFR.

Original language	English (US)
Pages (from-to)	625-630
Number of pages	6
Journal	SKIN: Journal of Cutaneous Medicine
Volume	7
Issue number	1
DOIs	https://doi.org/10.25251/skin.7.1.13
State	Published - Jan 10 2023

ASJC Scopus subject areas

Dermatology

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AB - Dasatinib is a second-generation tyrosine kinase inhibitor (TKI) indicated for treatment of chronic myeloid leukemia (CML). Dasatinib targets several proteins specific to cancer pathogenesis such as Bcr-Abl, Src, c-kit and PDGFRb. Cutaneous reactions are a well-documented side effect of many TKIs, however, there are limited reports and characterization of dasatinib induced rash. We report a case of keratosis pilaris and follicular epithelial thinning in a 19-year-old patient one month after beginning dasatinib for treatment of CML. This report suggests a possible role of dasatinib in the induction of epithelial follicular instability via reduced Src activity and subsequent down regulation of EGFR.

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A Case of Dasatinib-Induced Keratosis Pilaris

Abstract

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