Development and Validation of a Multi-functional, Multi-purpose Quantitative Tool for Dermal Physiologically-Based Pharmacokinetic (PBPK) Modeling (U01) Clinical Trial Optional

The purpose of this funding opportunity is to develop and validate an enhanced mechanistic PBPK model to reliably describe the skin permeation of active pharmaceutical ingredients in topical drug products applied on the skin surface of virtual subjects by accounting for the drug product quality attributes and the metamorphosis these products undergo post application. The goal is to develop an in silico tool and to assess its capability to predict skin absorption for reference listed drug and test drug products considering their potentially different formulation compositions and quality attributes and the dynamic changes they undergo post application. This in silico tool (validated using appropriate datasets) is intended to identify parameters that may impact therapeutic equivalence between a reference listed drug and a test drug product applied on the skin and to inform decisions on generic drug development for these products.