From extractables to exposure data: Sensitivity analysis of extrapolation algorithms with focus on USP 〈665〉

IF 4.3 3区 医学 Q1 PHARMACOLOGY & PHARMACY European Journal of Pharmaceutical Sciences Pub Date : 2025-01-27 DOI:10.1016/j.ejps.2025.107026
Armin Hauk , Alexander Wildschütz , Ina Pahl , Daniel Canton , Roberto Menzel
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Abstract

We evaluated algorithms designed to extrapolate extractables data for predicting process equipment-related leachables (PERLs) and assessing PERL exposure in single-use systems (SUSs) and assemblies. The robustness and sensitivity of these algorithms were tested against variations in input data, including extrapolation algorithms for both short and long contact time extractables data obtained from the standardized extractables protocol provided in USP 〈665〉. Our findings demonstrate that extrapolated data for SUS and assemblies are suitable for safety assessments. Extrapolated and aggregated data do not systematically underestimate potential PERL exposure values, provided that the extractables data originate from experiments with a higher surface area to contact liquid volume ratio and/or a low liquid to material volume ratio compared to the use scenario. The algorithms are non-sensitive to deviations in input data, as these deviations are propagated decreasingly into extrapolated data and parameters. The quality and significance of PERL exposure calculations can be enhanced by incorporating extractables study data from experiments using a semipolar organic solution, such as ethanol.

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CiteScore
9.60
自引率
2.20%
发文量
248
审稿时长
50 days
期刊介绍: The journal publishes research articles, review articles and scientific commentaries on all aspects of the pharmaceutical sciences with emphasis on conceptual novelty and scientific quality. The Editors welcome articles in this multidisciplinary field, with a focus on topics relevant for drug discovery and development. More specifically, the Journal publishes reports on medicinal chemistry, pharmacology, drug absorption and metabolism, pharmacokinetics and pharmacodynamics, pharmaceutical and biomedical analysis, drug delivery (including gene delivery), drug targeting, pharmaceutical technology, pharmaceutical biotechnology and clinical drug evaluation. The journal will typically not give priority to manuscripts focusing primarily on organic synthesis, natural products, adaptation of analytical approaches, or discussions pertaining to drug policy making. Scientific commentaries and review articles are generally by invitation only or by consent of the Editors. Proceedings of scientific meetings may be published as special issues or supplements to the Journal.
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