Hepatoprotective effect of vitamin A and E on diclofenac induced hepatotoxicity in male Wistar albino rats

  • Siva T Bharath University, Chennai, Tamil Nadu, India
  • Girija Sivakumar Department of Anatomy, Karpaga Vinayaga Medical College, Mathuranthagam
  • Sankaran PK Department of Anatomy, AIIMS, Mangalagiri
  • Yuvaraj Maria Francis Department of Anatomy Saveetha Medical College Hospital Thandalam Chennai India
  • Gayathri T Sri Ramachandra Institute of Higher Education and Research,
  • Lakshmi Thangavelu Department of Pharmacology, Saveetha Dental College Hospital, Thandalam, Chennai India
  • Karunakarn Balaji Department of Anatomy Sri Ramachandra Iinstitute of Higher education and research Chennai India


This study was done to show the changes in the liver following diclofenac treatment and to study the hepatoprotective effects of Vitamin E and A in diclofenac treated rats. Rats were divided into four groups of six rats each. Group-1: Control rats (n= 6), Group-2: Rats (n= 6) treated with diclofenac at dose of 50 mg/kg IM for 7 days, Group-3: Rats (n= 6) treated with Vitamin A at dose of 400 IU/kg orally followed by diclofenac at 50 mg/kg IM 2 h later for 7 days, and Group 4: Rats (n= 6) treated with Vitamin E at dose of 200 IU/kg orally followed by diclofenac at 50 mg/kg IM 2 h later for 7 days. Later it was analysed with standard biomarkers, and it was histologically interpreted. The results showed that there was an rapid increase in the levels of liver function test in diclofenac treated group, which was significantly decreased after pre-treatment with vitamin E than vitamin A. The liver acinus showed centriacinar necrosis of hepatocytes after 7 days of diclofenac treatment, which was prevented by administration of Vitamin E and A. Drug-induced liver injury possesses a major clinical problem and has become a leading cause of acute liver failure and transplantation. Overstressed liver compromises its detoxification role which may expose it to a variety of diseases and disorders. Diclofenac sodium is a phenylacetic acid derivative, a widely used nonsteroidal anti-inflammatory drug (NSAID) for the treatment of inflammatory conditions such as osteoarthritis, rheumatoid arthritis, polymyositis, dermatomyositis, dental pain and spondyloarthritis. Although the exact mechanism by which diclofenac injuries in liver is not understood, some studies explain the toxicity by affecting cytochrome P 450 leading to the production of active metabolites. Hepatoprotective effects of Vitamin E were better compared to Vitamin A following treatment with NSAIDS. Hence, it may be necessary to administer Vitamin E in patients treated with diclofenac.

Keywords: Diclofenac, hepatotoxicity, osteoarthritis, Vitamin A and Vitamin E


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Siva T, Girija Sivakumar, Sankaran PK, Yuvaraj Maria Francis, Gayathri T, Lakshmi Thangavelu, & Karunakarn Balaji. (2019). Hepatoprotective effect of vitamin A and E on diclofenac induced hepatotoxicity in male Wistar albino rats. International Journal of Research in Pharmaceutical Sciences, 10(3), 1660-1666. https://doi.org/10.26452/ijrps.v10i3.1334
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