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Nephrotoxicity associated with ifosfamide
J Smeitink1, M Verreussel, C Schröder
1Department of Paediatrics, University Hospital, Nijmegen, The Netherlands.
Abstract:
Three patients developed a Fanconi syndrome with impairment of glomerular function (endogenous creatinine clearance 30-60 ml/min per 1.73 m2) during and/or after treatment with ifosfamide according to the SIOP-MMT 84 protocol in which ifosfamide was given in a dose of 3000 mg/m2 every 4 weeks over a 10-month period. The need for early substitution therapy in patients with the Fanconi syndrome is stressed. The renal lesions in our patients were irreversible.
Insights
Ifosfamide treatment can cause irreversible Fanconi syndrome, a kidney disorder, in patients. Early intervention is crucial for managing this condition and its impact on glomerular function.
Area of Science:
- Nephrology
- Pediatric Oncology
- Clinical Pharmacology
Background:
- Ifosfamide is a widely used chemotherapeutic agent, particularly in pediatric oncology.
- The SIOP-MMT 84 protocol outlines a specific dosing regimen for ifosfamide treatment.
- Fanconi syndrome is a generalized proximal tubule disorder affecting renal reabsorption.
Observation:
- Three patients treated with ifosfamide (3000 mg/m2 every 4 weeks for 10 months) developed Fanconi syndrome.
- Impairment of glomerular function was noted, with endogenous creatinine clearance between 30-60 ml/min per 1.73 m2.
- Renal lesions observed in these patients were irreversible.
Findings:
- Chemotherapy with ifosfamide can induce Fanconi syndrome.
- Ifosfamide-induced nephrotoxicity may lead to significant glomerular function impairment.
- The renal damage associated with this syndrome can be permanent.
Implications:
- Highlights the potential for severe, irreversible nephrotoxicity from ifosfamide therapy.
- Stresses the critical need for early detection and substitution therapy in patients developing Fanconi syndrome.
- Underscores the importance of monitoring renal function in patients undergoing prolonged ifosfamide treatment.