The present research was aimed to formulate aceclofenac transemulgel using Aloe vera as
gel base. The prepared formulations were subjected to physical characterization, in-vitro and in-vivo
assessment. Aceclofenac, a hydrophobic potential non steroidal anti inflammatory drug, causes ulceration
upon chronic oral administration, could be formulated into transemulgel to enhance therapeutic efficacy
and to lower the unwanted side effects. The transemulgel was prepared from aqueous Aloe vera
gel and aceclofenac emulsion. The prepared transemulgel was evaluated for its pH, viscosity, drug
content, skin irritation, in-vitro diffusion and accelerated stability studies. The prepared aceclofenac-Aloe vera tranemulgel
and commercial aceclofenac gel were subjected to pharmacodynamic studies in albino rats of Wistar strain employing
carrageenan induced left hind paw edema method to assess the anti-inflammatory effect. The transemulgel showed a pH
of 6.78 and viscosity of 18 cps. In-vitro diffusion data revealed better permeation characteristics. Topical application of
formulation found no skin irritation. Stability study has proved the integrity of the formulation. The prepared aceclofenac
Aloe vera transemulgel showed better in-vitro drug release when compared with the commercial aceclofenac gel formulation.
Anti-inflammatory activity in treated rats showed the significant paw volume reduction at p<0.05 compared with that
of control. Thus, it is concluded that aceclofenac, a potential non steroidal anti inflammatory drug, showed high therapeutic
efficiency when formulated into transemulgel using aqueous Aloe vera as gel base.
Keywords: Diffusion, flux, paw edema, percent inhibition, permeability enhancement, stability.
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