Acute renal dysfunction during interleukin-2 treatment: suggestion of an intrinsic renal lesion.
1990
Adoptive immunotherapy with interleukin-2 (IL-2) and lymphokine-activated killer (LAK) cells has been effective in treating some advanced malignancies in animals and humans. One complication of this treatment is a reversible, oliguric, acute renal failure, which has been ascribed to renal hypoperfusion and resultant prerenal azotemia. We serially studied renal function in 10 patients receiving high-dose regimens of recombinant interleukin-2 (rIL-2) to attempt to delineate further the nature of the renal dysfunction caused by IL-2 treatment. Renal plasma flow was computed from iodine 131 (I-131 Hippuran; Mediphysics, Paramus, NJ) orthoiodohippurate, excretion curves, and glomerular filtration rate (GFR) was determined by creatinine clearance. Studies done prior to and on day 4 of treatment showed that GFR fell in nine of 10 patients, with a mean decrease of 43% +/- 8%, and renal plasma flow fell in five of the 10 patients with a mean decrease of 5% +/- 10%. The average pretherapy filtration fraction was ca...
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