Background: Dasatinib is a second-generation tyrosine kinase inhibitor that is indicated for the treatment of patients with chronic myeloid leukemia. Here, we report the case of a man with nephrotic syndrome that was caused by dasatinib.

Case Presentation: A 40-year-old man with chronic myeloid leukemia was referred to our hospital because of proteinuria 1 month after dasatinib therapy was introduced. A percutaneous kidney biopsy was performed, diffuse glomerular endothelial injury and effacement of the foot process were noted, and the patient was diagnosed with dasatinib-induced nephrotic syndrome. Additionally, in an electron microscopy study, randomly arranged fibrils were observed in the mesangial and subendothelial regions. Switching from dasatinib to nilotinib led to a decrease in the proteinuria level, from 12 to 0.6 g/g creatinine, within 2 weeks. The patient was discharged from our department on the 25th day after hospitalization, without any drug aftereffects.

Conclusions: Drug-related nephrotic syndrome should be considered when nephrotic syndrome develops during treatment with dasatinib.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6407224PMC
http://dx.doi.org/10.1186/s12882-019-1273-6DOI Listing

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