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Effect of Different Doses of Thalidomide in Experimentally Induced Inflammatory Bowel Disease in Rats
Author(s) -
Prakash Om,
Medhi Bikash,
Saikia Uma Nahar,
Pandhi Promila
Publication year - 2008
Publication title -
basic and clinical pharmacology and toxicology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.805
H-Index - 90
eISSN - 1742-7843
pISSN - 1742-7835
DOI - 10.1111/j.1742-7843.2008.00240.x
Subject(s) - thalidomide , malondialdehyde , myeloperoxidase , sulfasalazine , medicine , colitis , inflammatory bowel disease , necrosis , gastroenterology , pharmacology , tumor necrosis factor alpha , body weight , ulcerative colitis , inflammation , oxidative stress , disease , multiple myeloma
The present study was carried out to evaluate the effect of different doses of thalidomide in experimentally induced inflammatory bowel disease in rats. Adult Wistar rats of either sex were used (n = 36). Colitis was induced by a single intra‐colonic application of 20 mg 2,4,6‐trinitrobenzene sulfonic acid (TNBS) dissolved in 35% ethanol into the descending colon. Rats were divided into six groups (n = 6). Animals were treated with vehicle (ethanol), TNBS dissolved in 35% ethanol, thalidomide (with different doses of 50, 100 and 150 mg/kg body weight), and sulfasalazine (360 mg/kg body weight) for 14 days. After completion of 14 days of treatment, animals were killed and the following parameters were assessed: morphological score, histological score and biochemical parameters (myeloperoxidase, malondialdehyde and tumour necrosis factor‐α). Results showed thalidomide with different doses provided protection against TNBS‐induced colonic damage. There was significant protection with thalidomide 150 mg/kg body weight compared to controls (P < 0.001). All the biochemical parameters were highly reduced in the entire thalidomide‐treated group compared to controls particularly with thalidomide 150 mg/kg body weight (P < 0.001). Treatment with thalidomide restored malondialdehyde as well as reduction of myeloperoxidase and tumour necrosis factor‐α towards normal levels. Morphological and histological score were significantly reduced in all the treated groups with significant effect found with 150 mg/kg (P < 0.001). Our results indicate efficacy of thalidomide in TNBS induce experimental colitis model in rats but present findings requires further investigation to establish the real safety and efficacy in human beings.