| Hepatotoxicity in treatment of canine dermatophytosis with ketoconazole |
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Seong-su Bae1, Cheol-ho Kim2, Tae-yung Kim3, Chung-boo Kang1 |
1College of Veterinary Medicine, The Institute of Animal Medicine, Gyeongsang National University
2Gyeongsangnam-do Livestock Promotion Institute
3Animal Health Division, Ministry of Agriculture and Forestry |
| 피부사상균 감염개에서 Ketoconazole 경구투여시의 간독성에 관한 연구 |
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배성수1, 김철호2, 김태융3, 강정부1 |
1경상대학교 수의과대학 동물의학연구소
2경상남도 축산진흥연구소
3농림부 가축방역과 |
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| Abstract |
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The purpose of this study is to compare hepatotoxicity of each treatment for dermatophytosis; one is the administration of the ketoconazole only and the other, ketoconazole with diphenyl-dimeththyl-dicarboxylate. Have chosen the range of 14-24 months of healthy dogs divided by two groups (group 1 and group 2) for the experiment of which test proved positive in dermatophytosis diagnosis and showed normal reaction in terms of physical examination, blood chemistry and especially of liver function. Group 1 was administrated ketoconazole orally at 10 mg/kg/day and of same dose of ketoconazole with diphenyl-dimethyl-dicarboxylate for group 2. After administering, we have tested two groups by blood collecting every one week in order to check the differences of hepatotoxicity state through AST, ALT and r-GTP, the barometers of liver function which lasted for 12 weeks. Moreover, tested Indocyanine Green (ICG), known as susceptible gauge of function of excretion before starting the experiment and tested ICG as well after 12 weeks. The experiment of result the value of group 1 in AST, ALT and r-GTP has been highly rised after administering ketoconazole for 10 weeks meanwhile, of group 2 has shown a steady state troughout the whole experiment. For ICG test, we injected 0.5 mg/kg of ICG into a vein for both groups and tested the retention rate at regular interval of 15, 30, 45 minutes. The results of retention rate in two groups were similar to before the drug administration. However, after 12 weeks the retention rate of group 1 has been delayed, on the other hand, retention rate of group 2 were a steady state. In conclusion, the administration of ketoconazole only for a long period of time induced hepatotoxicity where as, the administration of ketoconazole with diphenyl-dimethyl-dicarboxylate didn't induce hepatotoxicity. Therefore, when doctors prescribes for a dog with dermatophytosis should not administrate ketoconnazole itself but with diphenyl-dimethyl-dicarboxylate and one who has abnormal condition of liver function should not be prescribed ketoconazole treatment. If there is a case needed to prescribe ketoconazole treatment, the regular monitoring should be accompanied by at the same time. |
| Key Words:
dermatophytosis, ketoconazole, hepatotoxicity, dog |
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