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Human brain organoids and stakeholders' attitudes: evidence, gaps, and governance
Kiichi Inarimori1, Masanori Kataoka1, Koji Ota2
1Uehiro Division for Applied Ethics, Graduate School of Humanities and Social Sciences, Hiroshima University, Hiroshima, Japan.
Trends in Biotechnology
|March 26, 2026
Abstract:
We review 13 empirical studies examining attitudes toward human brain organoid (HBO) research. Stakeholders tend to emphasize practical concerns-worries about commercialization, reproductive cloning, informed consent, and uncertainty about consequences-rather than issues related to consciousness. Based on these findings, we identify three priority areas for future ethical and policy discussions.

