Purine excretion during tumor lysis in children with acute lymphocytic leukemia receiving allopurinol: Relationship to acute renal failure

Sharon Andreoli, Joseph H. Clark, Warren A. McGuire, Jerry M. Bergstein

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Abstract

We measured serial urine levels of hypoxanthine, xanthine, and uric acid in 19 children with acute lymphocytic leukemia (ALL) receiving allopurinol therapy during tumor lysis: four of these children developed acute renal failure. The urinary excretion of uric acid rose moderately from 447±251 μg/dl glomerular filtrate before chemotherapy to 778±463 μg/dl glomerular filtrate during tumor lysis (P<0.05) whereas the urinary excretion of hypoxanthine (17.9±15 to 292±213 μg/dl glomerular filtrate) and xanthine (74±62 to 1091±1085 μg/dl glomerular filtrate) rose dramatically (P<0.001). The urinary excretion of uric acid, hypoxanthine, and xanthine per deciliter of filtrate was significantly higher (P<0.001) in those who developed acute renal failure than in those who did not, but the highest urine concentration of these purine metabolites did not differ in the two groups. In all 19 children, the highest urine concentration of uric acid and hypoxanthine during tumor lysis did not exceed the solubility limit of each in an alkaline urine specimen. In contrast, the peak urine concentration of xanthine exceeded its solubility limit in an alkaline urine specimen in 16 of 19 children. The urine sediment during the period of tumor lysis was examined by diffuse refiectance infrared spectroscopy; precipitated xanthine was found in sediment from eight of the 19 children, was significantly (P<0.001) associated with a urine xanthine level >350 mg/dl, and occurred with equal frequency in those who did or did not develop acute renal failure. We conclude that urinary excretion of hypoxanthine and xanthine increases dramatically whereas uric acid excretion rises moderately in children undergoing tumor lysis while receiving allopurinol, that acute renal faulire occurs in children with a higher purine load per decilliter of glomerular filtrate, but that factors other than tubular precipitation of purine metabolites are likely to be involved in the pathogenesis of renal failure during tumor lysis.

Original languageEnglish
Pages (from-to)292-298
Number of pages7
JournalJournal of Pediatrics
Volume109
Issue number2
DOIs
StatePublished - 1986

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Allopurinol
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Acute Kidney Injury
Uric Acid
Hypoxanthine
Xanthine
Neoplasms
Renal Insufficiency
Urine
Kidney
Drug Therapy
purine
Therapeutics

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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Purine excretion during tumor lysis in children with acute lymphocytic leukemia receiving allopurinol : Relationship to acute renal failure. / Andreoli, Sharon; Clark, Joseph H.; McGuire, Warren A.; Bergstein, Jerry M.

In: Journal of Pediatrics, Vol. 109, No. 2, 1986, p. 292-298.

Research output: Contribution to journalArticle

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abstract = "We measured serial urine levels of hypoxanthine, xanthine, and uric acid in 19 children with acute lymphocytic leukemia (ALL) receiving allopurinol therapy during tumor lysis: four of these children developed acute renal failure. The urinary excretion of uric acid rose moderately from 447±251 μg/dl glomerular filtrate before chemotherapy to 778±463 μg/dl glomerular filtrate during tumor lysis (P<0.05) whereas the urinary excretion of hypoxanthine (17.9±15 to 292±213 μg/dl glomerular filtrate) and xanthine (74±62 to 1091±1085 μg/dl glomerular filtrate) rose dramatically (P<0.001). The urinary excretion of uric acid, hypoxanthine, and xanthine per deciliter of filtrate was significantly higher (P<0.001) in those who developed acute renal failure than in those who did not, but the highest urine concentration of these purine metabolites did not differ in the two groups. In all 19 children, the highest urine concentration of uric acid and hypoxanthine during tumor lysis did not exceed the solubility limit of each in an alkaline urine specimen. In contrast, the peak urine concentration of xanthine exceeded its solubility limit in an alkaline urine specimen in 16 of 19 children. The urine sediment during the period of tumor lysis was examined by diffuse refiectance infrared spectroscopy; precipitated xanthine was found in sediment from eight of the 19 children, was significantly (P<0.001) associated with a urine xanthine level >350 mg/dl, and occurred with equal frequency in those who did or did not develop acute renal failure. We conclude that urinary excretion of hypoxanthine and xanthine increases dramatically whereas uric acid excretion rises moderately in children undergoing tumor lysis while receiving allopurinol, that acute renal faulire occurs in children with a higher purine load per decilliter of glomerular filtrate, but that factors other than tubular precipitation of purine metabolites are likely to be involved in the pathogenesis of renal failure during tumor lysis.",
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