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Urinary protein and enzyme excretion was measured in 33 patients with solid tumours receiving chemotherapy with the cis-platinum analogs carboplatin (JM8, CBDCA) and iproplatin (JM9, CHIP). The patients were given up to six courses of the drugs at 4-week intervals, and serial urine samples were collected weekly for periods up to 28 weeks. Overall there was no significant increase in the alkaline phosphatase (ALP), lactate dehydrogenase (LD), and N-acetyl glucosaminidase (NAG) excretion of the first posttreatment samples compared with the pretreatment samples. During the course of treatment there were transient increases in all three enzymes, some quite marked. There was no consistent increase in urinary protein or enzyme excretion during the period of treatment, suggesting that there was no cumulative nephrotoxicity. There was no change in creatinine clearance or urinary beta 2-microglobulin content. Iproplatin appeared marginally more toxic on the basis of elevated NAG and ALP during the second half of the treatment periods compared with the first (P less than 0.01 and less than 0.025, respectively).


Journal article


Cancer Chemother Pharmacol

Publication Date





228 - 234


Acetylglucosaminidase, Adult, Aged, Alkaline Phosphatase, Antineoplastic Agents, Carboplatin, Creatinine, Female, Humans, Kidney Diseases, L-Lactate Dehydrogenase, Male, Middle Aged, Organoplatinum Compounds, Proteinuria, beta 2-Microglobulin