Glomerular function time trends in long-term survivors of childhood cancer: A longitudinal study

Renee L. Mulder, Sebastiaan L. Knijnenburg, Ronald B. Geskus, Elvira C. Van Dalen, Helena J.H. Van Der Pal, Caro C.E. Koning, Antonia H. Bouts, Huib N. Caron, Leontien C.M. Kremer

Onderzoeksoutput: Bijdrage aan tijdschriftArtikelpeer review

48 Citaten (Scopus)

Samenvatting

Background: Impaired glomerular function is one of the health problems affecting childhood cancer survivors (CCS). It is unclear whether glomerular function deteriorates or recovers. We investigated time trends and predictors of glomerular function in CCS. Methods: We evaluated repeated observations of estimated glomerular filtration rate (GFR) and glomerular dysfunction (GFR <90 mL/min/1.73 m2) among adult five-year CCS treated in the EKZ/AMC between 1966 and 2003. Ifosfamide, cisplatin, carboplatin, high-dose (HD) methotrexate, HD-cyclophosphamide, radiotherapy to the kidney region, and nephrectomy (i.e., potentially nephrotoxic therapy) were investigated as predictors of glomerular function patterns over time in multivariable longitudinal analyses. Results: At a median follow-up of 21 years after diagnosis, glomerular function was assessed in 1,122 CCS aged≥18 years. CCS treated with potentially nephrotoxic therapy had a significantly lower GFR and higher glomerular dysfunction probability up to 35 years after cancer diagnosis compared with CCS treated without nephrotoxic therapy (P < 0.001). Especially ifosfamide, cisplatin, and nephrectomy were associated with worse glomerular function that persisted during the entire follow-up period (P < 0.001). Glomerular function deteriorated over time in all CCS (P < 0.001). CCS treated with higher doses of cisplatin seem to have a higher deterioration rate as compared with other CCS (P < 0.005). Conclusions: The loss in glomerular function starts early, especially for CCS treated with ifosfamide, higher doses of cisplatin, and nephrectomy, and seems to be persistent. We have an indication that CCS treated with higher doses of cisplatin experience faster decline than other CCS. Impact: As glomerular function continues to deteriorate, CCS are at risk for premature chronic renal failure.

Originele taal-2Engels
Pagina's (van-tot)1736-1746
Aantal pagina's11
TijdschriftCancer Epidemiology Biomarkers and Prevention
Volume22
Nummer van het tijdschrift10
DOI's
StatusGepubliceerd - okt. 2013
Extern gepubliceerdJa

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