Journal
MOLECULES
Volume 23, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/molecules23102425
Keywords
imidazo[2,1-b][1,3,4]thiadiazole derivatives; anti-inflammatory activity; molecular docking; antinociceptive activity
Funding
- Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania [7690/35/15.04.2016, 5200/32/01.03.2017]
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Non-steroidal anti-inflammatory drugs (NSAIDs) are an important pharmacological class of drugs used for the treatment of inflammatory diseases. They are also characterized by severe side effects, such as gastrointestinal damage, increased cardiovascular risk and renal function abnormalities. In order to synthesize new anti-inflammatory and analgesic compounds with a safer profile of side effects, a series of 2,6-diaryl-imidazo[2,1-b][1,3,4]thiadiazole derivatives 5a-l were synthesized and evaluated in vivo for their anti-inflammatory and analgesic activities in carrageenan-induced rat paw edema. Among all compounds, 5c showed better anti-inflammatory activity compared to diclofenac, the standard drug, and compounds 5g, 5i, 5j presented a comparable antinociceptive activity to diclofenac. None of the compounds showed ulcerogenic activity. Molecular docking studies were carried out to investigate the theoretical bond interactions between the compounds and target, the cyclooxygenases (COX-1/COX-2). The compound 5c exhibited a higher inhibition of COX-2 compared to diclofenac.
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