Journal
NEW BIOTECHNOLOGY
Volume 78, Issue -, Pages 116-122Publisher
ELSEVIER
DOI: 10.1016/j.nbt.2023.10.006
Keywords
3D printing; Scaffolds; Tissue engineering; Implants; Ethics; Regenerative medicine
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Personalized 3D printed scaffolds are a new generation of implants used in tissue engineering and regenerative medicine. This article explores the ethical challenges and opportunities associated with these implants throughout their life cycle, covering topics such as research and clinical practices, privacy issues, and the inclusion of gender in ethical assessments. The article highlights the importance of addressing these ethical issues for the responsible development and implementation of personalized 3D printed scaffolds in the additive manufacturing and tissue engineering field.
Personalized 3D printed scaffolds are a new generation of implants for tissue engineering and regenerative medicine purposes. Scaffolds support cell growth, providing an artificial extracellular matrix for tissue repair and regeneration and can biodegrade once cells have assumed their physiological and structural roles. The ethical challenges and opportunities of these implants should be mapped in parallel with the life cycle of the scaffold to assist their development and implementation in a responsible, safe, and ethically sound manner. This article provides an overview of these relevant ethical aspects. We identified nine themes which were linked to three stages of the life cycle of the scaffold: the development process, clinical testing, and the implementation process. The described ethical issues are related to good research and clinical practices, such as privacy issues concerning digitalization, first-in-human trials, responsibility and commercialization. At the same time, this article also creates awareness for underexplored ethical issues, such as irreversibility, embodiment and the ontological status of these scaffolds. Moreover, it exemplifies how to include gender in the ethical assessment of new technologies. These issues are important for responsible development and implementation of personalized 3D printed scaffolds and in need of more attention within the additive manufacturing and tissue engineering field. Moreover, the insights of this review reveal unresolved qualitative empirical and normative questions that could further deepen the understanding and co-creation of the ethical implications of this new generation of implants.
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