期刊
JOURNAL OF PHARMACY AND PHARMACOLOGY
卷 73, 期 4, 页码 437-446出版社
OXFORD UNIV PRESS
DOI: 10.1093/jpp/rgaa055
关键词
biorelevant; in vitro testing; PBPK modelling; pig model; paediatrics; bio-enabling drug products; food effect
资金
- European Union [674909]
- Marie Curie Actions (MSCA) [674909] Funding Source: Marie Curie Actions (MSCA)
The PEARRL project made significant contributions by optimizing existing biopharmaceutics tools and developing new tools for evaluating oral drug products both during drug development and at the regulatory level. The project successfully simplified the composition of biorelevant media for simulating fed state conditions, proposed strategies for incorporating in vitro data into PBPK modelling, and developed novel biopharmaceutics tools for better understanding drug effects. Through networking opportunities and research collaborations, the project achieved substantial progress in advancing biopharmaceutics tools for drug formulation screening and regulatory support.
Objectives To summarise key contributions of the Pharmaceutical Education and Research with Regulatory Links (PEARRL) project (2016-2020) to the optimisation of existing and the development of new biopharmaceutics tools for evaluating the in vivo performance of oral drug products during the development of new drugs and at the regulatory level. Key findings Optimised biopharmaceutics tools: Based on new clinical data, the composition of biorelevant media for simulating the fed state conditions in the stomach was simplified. Strategies on how to incorporate biorelevant in vitro data of bio-enabling drug products into physiologically based pharmacokinetic (PBPK) modelling were proposed. Novel in vitro biopharmaceutics tools: Small-scale two-stage biphasic dissolution and dissolution-permeation setups were developed to facilitate understanding of the supersaturation effects and precipitation risks of orally administered drugs. A porcine fasted state simulated intestinal fluid was developed to improve predictions and interpretation of preclinical results using in vitro dissolution studies. Based on new clinical data, recommendations on the design of in vitro methodologies for evaluating the GI drug transfer process in the fed state were suggested. The optimized design of in vivo studies for investigating food effects: A food effect study protocol in the pig model was established which successfully predicted the food-dependent bioavailability of two model compounds. The effect of simulated infant fed state conditions in healthy adults on the oral absorption of model drugs was evaluated versus the fasted state and the fed state conditions, as defined by regulatory agencies for adults. Using PBPK modelling, the extrapolated fasted and infant fed conditions data appeared to be more useful to describe early drug exposure in infants, while extrapolation of data collected under fed state conditions, as defined by regulators for adults, failed to capture in vivo infant drug absorption. Summary Substantial progress has been made in developing an advanced suite of biopharmaceutics tools for streamlining drug formulation screening and supporting regulatory applications. These advances in biopharmaceutics were achieved through networking opportunities and research collaborations provided under the H2020 funded PEARRL project.
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