Preclinical screening of a novel compound, 2-chlorothiophene for analgesic activity in swiss albino mice
Article
| IMSEAR
| ID: sea-199770
ABSTRACT
Background:
Pain is often the first indication of disease or injury. Analgesics are the drugs used clinically for controlling pain. They relieve pain as a symptom, without affecting its cause. Currently available options are nonsteroidal anti-inflammatory drugs (NSAIDs) and opioid analgesics for the management of pain. Long term use of existing analgesics causes significant disturbances in the body system. A search for new, safe and cost effective analgesic compound is in progress. Hence a study on 2-chlorothiophene, a novel compound has been carried out in different experimental animal models.Methods:
The central analgesic activity of 2-chlorothiophene was evaluated by eddy’s hot plate method and compared to standard central analgesic, morphine. Both central and peripheral analgesic activities of 2-chlorothiophene were evaluated by formalin induced paw licking in mice and compared to a standard drug, aspirin.Results:
There were 40mg/kg dose of 2-chlorothiophene has shown maximum Pain Inhibition Percentage (PIP) of 46.15% at 60 min compared to 128% by morphine in eddy’s hot plate method. Under Formalin test, 20mg/kg dose of 2-chlorothiophene has shown maximum PIP of 22.91% in early phase and 52.63% in late phase compared to 12.5% and 47.37% by aspirin. The results were statistically significant with p<0.05.Conclusions:
2-chlorothiophene found to have minimal central analgesic activity and significant peripheral analgesic activity as evident in eddy’s hot plate and formalin tests.
Full text:
Available
Index:
IMSEAR (South-East Asia)
Type of study:
Diagnostic study
/
Screening study
Year:
2018
Type:
Article
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