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Miconazole as inflammatory agent--I. Cellular and pathophysiological effects
S Hanada1, J A Sertié, E Waisbich
1Department of Pharmacology, Universidade de São Paulo, Brazil.
General Pharmacology
|July 1, 1994
Summary
Miconazole injection in rats causes prolonged inflammation and swelling. This miconazole-induced paw edema, which is more intense than econazole
Area of Science:
- Pharmacology
- Inflammation Research
- Drug Discovery
Background:
- The development of reliable models for studying inflammation is crucial for drug discovery.
- Antifungal agents can sometimes elicit inflammatory responses.
- Understanding the mechanisms of drug-induced inflammation aids in predicting side effects.
Purpose of the Study:
- To characterize the inflammatory response induced by subcutaneous miconazole injection in the rat paw.
- To evaluate the potential of miconazole-induced paw edema as a model for screening anti-inflammatory agents.
Main Methods:
- Subcutaneous injection of miconazole into the rat paw.
- Observation and measurement of induced edema and inflammation.
- Assessment of the effects of known anti-inflammatory drugs (chlorpheniramine, dexamethasone, phenylbutazone) on the edema.
Main Results:
- Subcutaneous miconazole injection reliably induced acute, localized, and sustained inflammation in the rat paw.
- The miconazole-induced edema exhibited two distinct phases of rapid swelling.
- The edema was significantly more intense (1.5-2 times) compared to that induced by econazole.
- The development of miconazole edema was effectively inhibited by chlorpheniramine, dexamethasone, and phenylbutazone.
Conclusions:
- Miconazole-induced paw edema serves as a robust and reproducible model of acute inflammation.
- This model demonstrates sensitivity to established anti-inflammatory drugs.
- The miconazole paw edema model shows promise for the screening and evaluation of novel anti-inflammatory drugs.