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IN VITRO STUDIES FURTHER DETAILS


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In Vitro Study No: 247

METHODS

Chemical Conc. (mg/ml)Volume (ml)Loading (mg/cm2)VehicleSpeciesMembraneSiteArea (cm2)Cell TypeReceptor FluidTemp. (oC)Temp. MeasuredExposure Time (h)Study Length (h)OccludedAnalytical Method
Cortisone Not Given AcetoneRatDermatomed to 0.35mmNot Given0.64StaticSaline32Water Bath24242Radiolabelled (14C)

RESULTS

% Recovery+/-% In Stratum Corneum+/-% in Viable Skin+/-% Penetrated+/-% Absorbed+/-s-s-flux (mcrg/cm2/h)+/-kp (cm/h)nLag Time (h)
        6.32.3   8 

NOTES

Female Osborne-Mendel rats of 3-6 months of age were used. Further experimental detail is available in Bronaugh et al. J. Invest. Derm (1981) 76;94. The results were given as +/- SEM I have changed this to SD for the database.

REFERENCE

Methods For In Vitro Percutaneous Absorption Studies IV: The Flow-Through Diffusion Cell (1984) J. Pharm. Sci., 74 :64-67