Abstract
Physiologically Based Pharmacokinetic (PBPK) Models are routinely used in drug development and therefore appear frequently in marketing authorization applications (MAAs) to the European Medicines Agency (EMA). For a model to be a key source of evidence for a regulatory decision, it must be considered qualified for the intended use. Advice on the data expected to allow qualification of a PBPK model or platform is provided in the EMA Guideline on the reporting of PBPK modeling and simulation. The present study is an EMA review of the use of PBPK models in submitted MAAs in 2022 and 2023 focussing on the concept of qualification and the reasons why models were not considered qualified. A review of the 95 MAAs with a “full” legal basis approved during these years showed that 25 of them contained PBPK modeling. There were 65 proposed general areas of intended use for PBPK modeling identified across the applications, with the most common being a prediction of drug–drug interactions with enzymes or transporters (69%). Finally, this review showed that most of the models submitted in applications to EMA were not considered qualified for the intended use(s). The reasons identified for this are reported and the need for further EMA guidance, particularly around requirements for qualification of PBPK models, are discussed.
Published Version
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