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Evidence for personalised medicine: mechanisms, correlation, and new kinds of black box

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journal contribution
posted on 08.01.2021, 04:27 by Mary Walker, J Bourke, K Hutchison
© 2019, Springer Nature

Personalised medicine (PM) has been discussed as a medical paradigm shift that will improve health while reducing inefficiency and waste. At the same time, it raises new practical, regulatory, and ethical challenges. In this paper, we examine PM strategies epistemologically in order to develop capacities to address these challenges, focusing on a recently proposed strategy for developing patient-specific models from induced pluripotent stem cells (iPSCs) so as to make individualised treatment predictions. We compare this strategy to two main PM strategies—stratified medicine and computational models. Drawing on epistemological work in the philosophy of medicine, we explain why these two methods, while powerful, are neither truly personalised nor, epistemologically speaking, novel strategies. Both are forms of correlational black box. We then argue that the iPSC models would count as a new kind of black box. They would not rely entirely on mechanistic knowledge, and they would utilise correlational evidence in a different way from other strategies—a way that would enable personalised predictions. In arguing that the iPSC models would present a novel method of gaining evidence for clinical practice, we provide an epistemic analysis that can help to inform the practical, regulatory, and ethical challenges of developing an iPSC system.

Funding

This research was supported by Australian Research Council (Grant ID CE140100012). The authors would like to thank colleagues in the Ethics, Policy and Public Engagement theme at the Centre of Excellence for Electromaterials Science (ACES) for their comments on drafts.

History

Publication Date

15/02/2019

Journal

Theoretical Medicine and Bioethics

Volume

40

Issue

2

Pagination

19p. (p. 103-121)

Publisher

Springer Nature

ISSN

1386-7415

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The Author reserves all moral rights over the deposited text and must be credited if any re-use occurs. Documents deposited in OPAL are the Open Access versions of outputs published elsewhere. Changes resulting from the publishing process may therefore not be reflected in this document. The final published version may be obtained via the publisher’s DOI. Please note that additional copyright and access restrictions may apply to the published version.

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