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IN VIVO STUDIES FURTHER DETAILS


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In Vivo Study No: 680

METHODS

ChemicalMembraneConcentration mg/mlConcentration mg/mlloading (mg/cm2)SpeciesSiteArea (cm2)Occluded?Exposure Time (h)Analytical Method
Benzoic Acid0.026.1050.1221ethyleneglycol:triton X-100 (90:10)HumanAbdomen1224Radiolabelled (14C)

RESULTS

Length of Study (h)% Recovery+/-Dose remaining on surface (mg)% remaining on SurfaceDose remaining in stratum corneum (mg)% remaining in stratum corneumDose remaining in the viable skin% remaining in the viable skinAmount Absorbed (mg)% Absorbed+/-% Absorbed
24        0.001331.0880.1231.088
Maximal Flux (mcrg/cm2/h)Average Flux (mcrg/cm2/h)+/-Time Plasma/Blood Levels Peaked (h)Peak Blood Concentration (mg/l)nkp (cm/h)Lag Time (h)
     7  

NOTES

Male Caucasian volunteers were used in this study. The treated area was delimited by an open cirular cell that was fixed with silicon glue. The % Absorption was determined from the amount excreted in the urine and was not corrected.

REFERENCE

In Vivo Percutaneous Penetration Of Some Organic Compounds Related To Anatomic Site In Humans: Predictive Assessment By The Stripping Method (1987) J. Pharm. Sci., 76 :451-454