Overestimation of carboplatin doses is avoided by radionuclide GFR measurement

被引:32
作者
Craig, A. J. [1 ]
Samol, J. [2 ]
Heenan, S. D. [3 ]
Irwin, A. G. [4 ]
Britten, A. [4 ]
机构
[1] Royal Marsden NHSFT, Joint Dept Phys, Sutton SM2 5PT, Surrey, England
[2] St George Hosp, Dept Med Oncol, London SW17 0QT, England
[3] St George Hosp, Dept Nucl Med, London SW17 0QT, England
[4] St George Hosp, Med Phys & Bioengn Dept, London SW17 0QT, England
关键词
carboplatin; glomerular filtration rate; EDTA; GLOMERULAR-FILTRATION-RATE; RENAL-DISEASE; SERUM CREATININE; COCKCROFT-GAULT; KIDNEY-FUNCTION; EQUATION; DIET; FORMULAS; MDRD; PREDICTION;
D O I
10.1038/bjc.2012.393
中图分类号
R73 [肿瘤学];
学科分类号
100214 [肿瘤学];
摘要
BACKGROUND: Glomerular filtration rate (GFR) is used in the calculation of carboplatin dose. Glomerular filtration rate is measured using a radioisotope method (radionuclide GFR (rGFR)), however, estimation equations are available (estimated GFR (eGFR)). Our aim was to assess the accuracy of three eGFR equations and the subsequent carboplatin dose in an oncology population. PATIENTS AND METHODS: Patients referred for an rGFR over a 3-year period were selected; eGFR was calculated using the Modification of Diet in Renal Disease (MDRD), Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) and Cockcroft-Gault (CG) equations. Carboplatin doses were calculated for those patients who had received carboplatin chemotherapy. Bias, precision and accuracy were examined. RESULTS: Two hundred and eighty-eight studies met the inclusion/exclusion criteria. Paired t-tests showed significant differences for all three equations between rGFR and eGFR with biases of 12.3 (MDRD), 13.6 (CKD-EPI) and 7.7 ml min(-1) per 1.73 m(2) (CG). An overestimation in carboplatin dose was seen in 81%, 87% and 66% of studies using the MDRD, CKD-EPI and CG equations, respectively. CONCLUSION: The MDRD and CKD-EPI equations performed poorly compared with the reference standard rGFR; the CG equation showed smaller bias and higher accuracy in our oncology population. On the basis of our results we recommend that the rGFR should be used for accurate carboplatin chemotherapy dosing and where unavailable the use of the CG equation is preferred. British Journal of Cancer (2012) 107, 1310-1316. doi:10.1038/bjc.2012.393 www.bjcancer.com Published online 30 August 2012 (C) 2012 Cancer Research UK
引用
收藏
页码:1310 / 1316
页数:7
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