International Journal of Drug Policy
June 13, 2026
Katherine Cheung, Caleigh Propes, David B. Yaden
As jurisdictions across the U.S. consider enacting policies that facilitate access to psychedelics, they must determine how the desire to expand access to these substances should be weighed against the need to adequately protect safety. Oregon's psilocybin services program offers an important early case study of this balance in practice. Under the Psilocybin Services Act, adults over 21 are...
JAMA Health Forum
November 7, 2025
Caleigh Propes, Katherine Cheung, Matthew D. Eisenberg et al.
4 citations
This Viewpoint discusses how to fill policy gaps surrounding the use of psychedelics to treat mental health and substance use conditions, should they be approved by the US Food and Drug Administration.
American Journal of Bioethics
July 30, 2025
Caleigh Propes, Katherine Cheung
1 citation
Informed consent aims, amongst other goals, to provide robust information to prospective participants on the risks and benefits that they may incur during a study. However, participant misconceptio...
AJOB empirical bioethics
July 16, 2025
Katherine Cheung, Caleigh Propes, Marianna Graziosi et al.
4 citations
Classic psychedelics, such as psilocybin and LSD, evoke certain kinds of altered states of consciousness. Specific features of the experience, such as its allegedly ineffable nature, have been discussed as posing challenges to the informed consent process. A growing call for tailored informed consent documents (ICDs) in the psychedelic bioethics literature raises the question of how closely...
International Review of Psychiatry
June 5, 2024
Katherine Cheung, Caleigh Propes, Edward Jacobs et al.
11 citations
A number of organizations have developed or are developing psychedelic integration groups, held in person or online. In parallel, there have been calls to make enhanced integration available in the community after clinical trials. Here, we explore a potential reason why individuals may seek out these groups: namely, the feelings of disconnection and loneliness that may arise after the...