Effects of crizotinib on creatinine clearance and renal hemodynamics

Lung Cancer : Journal of the International Association for the Study of Lung Cancer
Lysbert Meijer-SchaapWilbert M T Janssen

Abstract

The tyrosine kinase inhibitor crizotinib may affect renal function. The mechanism of this effect is not understood. We aimed to get more insight by measuring renal hemodynamics in patients treated with crizotinib. Renal hemodynamics (i.e. glomerular filtration rate and effective renal plasma flow) were measured with radioactive tracers in three patients with stage IV non small-cell lung cancer during treatment with crizotinib. The results were compared with simultaneous creatinine based renal function measurements in the same patients. Patients had been treated with crizotinib between 155 and 320 days at the first measurement. In one patient the measurement was repeated after a total of one year and two months of treatment. All patients had been treated with chemotherapy containing cisplatin before. In these patients true glomerular filtration rate was 64-83% higher than estimated by creatinine based measurements. Filtration fraction, a measure of glomerular pressure, was increased in all three patients. The glomerular pressure was even further increased in a follow-up measurement. Creatinine-based estimates of GFR on crizotinib may underestimate the true GFR. However, evidence of increased glomerular pressure may increase risk...Continue Reading

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Citations

Oct 1, 2020·Journal of Oncology Pharmacy Practice : Official Publication of the International Society of Oncology Pharmacy Practitioners·Chung-Shien LeeNagashree Seetharamu

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