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Long-term nephrotoxicity in adult survivors of childhood cancer.

ABSTRACT: BACKGROUND AND OBJECTIVES: Because little is known about long-term treatment-related nephrotoxicity, the aim was to determine risk factors for renal impairment long after childhood cancer treatment. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Data from 763 adult childhood cancer survivors (414 men) were obtained during regular visits at the late-effects clinic between 2003 and 2009. Median follow-up time was 18.3 years (range=5.0-58.2). Glomerular function was assessed by estimated GFR (using the Modification of Diet in Renal Disease formula), urinary albumin creatinine ratio, and tubular function by urinary ?2-microglobulin creatinine ratio. The association with treatment factors was analyzed with covariance analysis for estimated GFR and logistic regression for urinary albumin and urinary ?2-microglobulin creatinine ratios. RESULTS: Survivors treated with nephrectomy and abdominal irradiation had significantly lower estimated GFR than survivors not treated with nephrectomy/abdominal irradiation (estimated mean=90 ml/min per 1.73 m(2) versus 106, P<0.001). Estimated GFR was significantly lower in survivors after treatment with high-dose ifosfamide (88 versus 98, P=0.02) and high-dose cisplatin (83 versus 101, P=0.004) compared with survivors not treated with these regimen. Nephrectomy combined with abdominal radiotherapy (odds ratio=3.14, 95% confidence interval=1.02; 9.69) and high-dose cisplatin (odds ratio=5.19, 95% confidence interval=1.21; 22.21) was associated with albuminuria. High-dose ifosfamide (odds ratio=6.19, 95% confidence interval=2.45; 15.67) was associated with increased urinary ?2-microglobulin creatinine ratio. Hypertension was present in 23.4% of survivors and 31.4% of renal tumor survivors. CONCLUSIONS: Treatment with unilateral nephrectomy, abdominal radiotherapy, cisplatin, and ifosfamide was associated with lower estimated GFR. Persisting tubular damage was related to ifosfamide treatment.

SUBMITTER: Dekkers IA 

PROVIDER: S-EPMC3675853 | biostudies-other | 2013 Jun

REPOSITORIES: biostudies-other

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Long-term nephrotoxicity in adult survivors of childhood cancer.

Dekkers Ilona A IA   Blijdorp Karin K   Cransberg Karlien K   Pluijm Saskia M SM   Pieters Rob R   Neggers Sebastian J SJ   van den Heuvel-Eibrink Marry M MM  

Clinical journal of the American Society of Nephrology : CJASN 20130214 6

<h4>Background and objectives</h4>Because little is known about long-term treatment-related nephrotoxicity, the aim was to determine risk factors for renal impairment long after childhood cancer treatment.<h4>Design, setting, participants, & measurements</h4>Data from 763 adult childhood cancer survivors (414 men) were obtained during regular visits at the late-effects clinic between 2003 and 2009. Median follow-up time was 18.3 years (range=5.0-58.2). Glomerular function was assessed by estimat  ...[more]