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IN VIVO STUDIES FURTHER DETAILS


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In Vivo Study No: 358

METHODS

ChemicalMembraneConcentration mg/mlConcentration mg/mlloading (mg/cm2)SpeciesSiteArea (cm2)Occluded?Exposure Time (h)Analytical Method
Meperidine Hydrochloride0.1500.55561,2 PropanediolRatBack9224Radiolabelled (14C) & Thin Layer Chromatography

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        0.4591.589
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)
     10  

NOTES

aMale Wistar Rats were used.

REFERENCE

Perctaneous Absorption Of 3H-Pethidine In The Rat (1980) Arzneim.-Forsch./Drug Res, 30 :267-270