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Kidney Tubular Damage Secondary to Deferasirox: Systematic Literature Review

期刊

CHILDREN-BASEL
卷 8, 期 12, 页码 -

出版社

MDPI
DOI: 10.3390/children8121104

关键词

deferasirox; kidney tubular damage; chelator; iron overload; transfusion

资金

  1. Fonds de perfection-nement, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
  2. Fondation SICPA, Prilly,Switzerland
  3. Fondazione Ettore Balli, Bellinzona,Switzerland
  4. Fondazione per il bambino malato dellaSvizzera italiana, Bellinzona, Switzerland
  5. Frieda Locher-Hofmann Stiftung, Zuerich, Switzerland

向作者/读者索取更多资源

Deferasirox as a first-line therapy for iron overload may lead to kidney damage characterized by tubular injury. Patients may exhibit abnormal urinary findings and electrolyte disturbances, requiring physicians to carefully prescribe the lowest efficacious dose to minimize adverse effects.
Deferasirox is a first-line therapy for iron overload that can sometimes cause kidney damage. To better define the pattern of tubular damage, a systematic literature review was conducted on the United States National Library of Medicine, Excerpta Medica, and Web of Science databases. Twenty-three reports describing 57 individual cases could be included. The majority (n = 35) of the 57 patients were <= 18 years of age and affected by thalassemia (n = 46). Abnormal urinary findings were noted in 54, electrolyte or acid-base abnormalities in 46, and acute kidney injury in 9 patients. Latent tubular damage was diagnosed in 11 (19%), overt kidney tubular damage in 37 (65%), and an acute kidney injury in the remaining nine (16%) patients. Out of the 117 acid-base and electrolyte disorders reported in 48 patients, normal-gap metabolic acidosis and hypophosphatemia were the most frequent. Further abnormalities were, in decreasing order of frequency, hypokalemia, hypouricemia, hypocalcemia, and hyponatremia. Out of the 81 abnormal urinary findings, renal glucosuria was the most frequent, followed by tubular proteinuria, total proteinuria, and aminoaciduria. In conclusion, a proximal tubulopathy pattern may be observed on treatment with deferasirox. Since deferasirox-associated kidney damage is dose-dependent, physicians should prescribe the lowest efficacious dose.

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