Prevention of cisplatin-induced nephrotoxicosis in dogs, using hypertonic saline solution as the vehicle of administration
1993
Forrester, S.D. | Fallin, E.A. | Saunders, G.K. | Kenny, J.E.
We determined whether administration of cisplatin in hypertonic saline solution would prevent significant decrease in renal function, as measured by exogenous creatinine clearance, in healthy dogs. A single dose of cisplatin (70 mg/m2 of body surface) was mixed in 3% saline solution and was infused IV (6.5 ml/kg of body weight) over a 20-minute period to 6 healthy dogs. Exogenous creatinine clearance was determined prior to treatment of dogs with cisplatin and again on days 3 and 21 after administration of cisplatin. All 6 dogs vomited at least once within 12 hours of treatment with cisplatin; however, clinically important changes in appetite, body weight, or hydration status were not apparent during the 21-day study. Although mean values for exogenous creatinine clearance decreased from baseline on days 3 and 21, changes were not significantly different. Renal histologic lesions included mild, chronic, lymphoplasmacytic interstitial nephritis in 5 dogs, and presumably, were unrelated to treatment with cisplatin. Mild renal tubular atrophy (n = 2) and tubular necrosis (n = 1) may have developed secondary to treatment with cisplatin. Results of this study indicated that administration of a single dose of cisplatin in 3% saline solution to healthy dogs was not associated with significant decrease in glomerular filtration rate. This is a convenient protocol for administering cisplatin; however, additional study is required before it can be recommended for clinical patients, especially those with preexisting renal disease or those receiving multiple doses of cisplatin.
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