Randomized Trialhigh evidence
Single Intranasal Administration of the Psychedelic Mebufotenin for Treatment-Resistant Depression: A Randomized Clinical Trial.
JAMA·October 26, 2026·PMID 42931733
Why it mattersTreatment-resistant depression often requires prolonged in-clinic monitoring with psychedelics like psilocybin or repeated visits for esketamine. Intranasal mebufotenin offers a rapid, short-acting psychedelic experience with a 2-hour discharge window, potentially improving access and convenience for patients and clinics.

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