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Effect of penetration enhancers on in vitro percutaneous penetration of nimesulide through rat skin

Güngör, S.; Bergişadi, N.

Die Pharmazie 59(1): 39-41

2004


ISSN/ISBN: 0031-7144
PMID: 14964420
Accession: 048885188

The influence of several penetration enhancers alone and/or in various combinations on the percutaneous penetration of nimesulide (NM) from Carbopol 934 based gel formulations was investigated. Skin permeation studies were performed using Franz-type diffusion cells and full-thickness abdominal rat skin. Various types of compounds such as ethanol, isopropyl alcohol, propylene glycol, Transcutol, Tween 80 and oleic acid were employed as penetration enhancers. The steady-state flux, the lag time and permeability coefficients of NM for each formulation were calculated. The results showed that the skin permeability of NM from gels tested was significantly increased (P < 0.05) by isopropyl alcohol (40%) and the combination of oleic acid (3%) with Transcutol (30%) when compared with the control formulation. In conclusion, these substances could be considered as penetration enhancers for NM topical formulations.

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