To the editor: Hand-foot skin reaction (HFSR), characterized by skin abnormalities on palmoplantar surfaces, has an overall incidence of about 35% upon vascular endothelial growth factor receptor-tyrosine kinase inhibitors (VEGFR-TKIs) treatment. Zinc, which plays a role in maintaining skin health, may be implicated in the pathogenesis of HFSR. Zinc deficiency has been shown to associate with dermatological toxicities of epidermal growth factor receptor (EGFR)-TKI. Regorafenib, an oral multi-kinase inhibitor targeting VEGFR 1-3, PDGFR, cKIT, BRAF, and RET1, is approved for the treatment of metastatic colorectal cancer (mCRC) but commonly causes HFSR. This phase II randomized trial aimed to investigate whether zinc supplementation can reduce the severity of HFSR induced by regorafenib within the first 8 weeks of treatment (NCT03898102).
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| http://dx.doi.org/10.1016/j.ejca.2023.113286 | DOI Listing |
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