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Inflammation. 2014 Feb;37(1):1-9. doi: 10.1007/s10753-013-9705-0.

Release-active dilutions of diclofenac enhance anti-inflammatory effect of diclofenac in carrageenan-induced rat paw edema model.

Author information

1
Dabur Research Foundation, 22, Site IV, Sahibabad, 201-010, Ghaziabad, Uttar Pradesh, India, dr.sachin.sakat@daburresearch.in.

Abstract

The study was aimed to investigate the effect of technologically treated diclofenac (release-active dilutions of diclofenac (RAD of diclofenac)) on anti-inflammatory activity of diclofenac in carrageenan-induced rat paw edema model. Ninety male Wistar albino rats (6-8 weeks) divided into nine groups (n = 10) were used. Anti-inflammatory activity was assessed at 1, 2, 3, 4, and 6 h after subplantar injection of carrageenan (0.1 ml of a 1 % solution in normal saline). Diclofenac alone was studied at 5 and 20 mg/kg, RAD of diclofenac alone at 7.5 ml/kg and their combination at 5 and 7.5 ml/kg, respectively. Diclofenac reduced (p < 0.05 at least) paw edema at all time points. RAD of diclofenac enhanced (p < 0.05) anti-inflammatory effect of diclofenac (5 mg/kg) at 2, 4, and 6 h on concurrent and at 2 and 4 h on sequential administration. Moreover at 2 h, anti-inflammatory effect of combination treatment reached values comparable to those of diclofenac (20 mg/kg). In conclusion, RAD of diclofenac enhanced anti-inflammatory effect of diclofenac.

PMID:
24005897
PMCID:
PMC3929039
DOI:
10.1007/s10753-013-9705-0
[Indexed for MEDLINE]
Free PMC Article

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