Effects of mizoribine on canine renal allograft recipients
Heterotopic renal allograft transplantation and bilateral nephrectomies were performed on 12 mixed-breed dogs. Histoincompatibility was confirmed by serologically defined and lymphocyte-defined antigen testing. Mizoribine (5 mg/kg, q 24 h) was administered orally starting the day of surgery. Body weights, blood cell counts, serum biochemical and electrolyte values, immunoglobulin concentration, and serum mizoribine concentrations were determined. Complete urinalyses, including bacteriologic culturing and lymphocyte stimulation assays were performed. The mean survival time for the allograft recipients was 20 +/- 14 days; significantly longer than nontreated historic controls surviving 8.1 +/- 0.6 days (P = 0.0098). Death was attributed to the combined effects of renal allograft rejection and development of a mizoribine-dependent gastroenteritis. Serum mizoribine concentrations were greater in dogs undergoing rapid allograft rejection because of compromised renal excretion of the drug. This resulted in a rapid onset of gastroenteritis. There were no complications resulting from infection, myelosuppression, or hepatotoxicosis.
pmid: 3282456 Am J Vet Res 影响因子: 1.004 发表日期: 19880301
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