Is D-penicillamine Safe in Management of Little Children with Kidney Cystine Stones? A Case Series
Journal of Pediatric Nephrology,
Vol. 3 No. 4 (2015),
Nephrolithiasis is quite common in children. It sometimes has a genetic basis and can lead to serious complications like urinary obstruction, multiple surgical interventions, or even renal insufficiency if left treated. Cystinic stones and cystinuria account for approximately 8% of the cases of nephrolithiasis in children. We studied seven pediatric patients, 1 to 3 years old (mean age: 20.5 months), with cystinic urinary stones receiving D-penicillamine plus other drugs to dissolve the stone. All of them tolerated the treatment very well and did not show any serious complication. All of our cases were managed with D-penicillamine that was initiated at a low dose and then increased progressively. We used low dose D-penicillamine, maximim15 mg/kg/day, which was beneficial without any specific side effects. D-penicillamine can be used safely in little children. Gradual induction and close observation with CBC, urine analysis, BUN, creatinine, and liver function tests may be required. D-penicillamine can prevent new stone formation and resolve the present cystinic calculi. Low dose D-penicillamine may be sufficient in treating cystinic calculi in children. We suggest more evaluations on the advantage of low dose D-penicillamine in cystinuria.
Keywords: D-Penicillamine; Cystinuria; Nephrolithiasis; Complications
How to Cite
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