Paediatric oral biopharmaceutics : key considerations and current challenges

Batchelor, Hannah K. and Fotaki, Nikoletta and Klein, Sandra (2014) Paediatric oral biopharmaceutics : key considerations and current challenges. Advanced Drug Delivery Reviews, 73. pp. 102-126. ISSN 0169-409X (https://doi.org/10.1016/j.addr.2013.10.006)

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Abstract

The complex process of oral drug absorption is influenced by a host of drug and formulation properties as well as their interaction with the gastrointestinal environment in terms of drug solubility, dissolution, permeability and pre-systemic metabolism. For adult dosage forms the use of biopharmaceutical tools to aid in the design and development of medicinal products is well documented. This review considers current literature evidence to guide development of bespoke paediatric biopharmaceutics tools and reviews current understanding surrounding extrapolation of adult methodology into a paediatric population. Clinical testing and the use of in silico models were also reviewed. The results demonstrate that further work is required to adequately characterise the paediatric gastrointestinal tract to ensure that biopharmaceutics tools are appropriate to predict performance within this population. The most vulnerable group was found to be neonates and infants up to 6. months where differences from adults were greatest.

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