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Henry Harder

2 papers in the library · 3 citations · publishing 2023-2026

Papers

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Long-Term Efficacy of Psilocybin with Adjunct Psychotherapy in Treatment-Resistant Major Depression (EPIsoDE): 6- and 12-Month Naturalistic Follow-Up of a Phase 2b Trial.

Psychotherapy and Psychosomatics May 27, 2026 Lea J. Mertens, Felix Betzler, Manuela Brand et al.

Psilocybin shows promise for treatment-resistant depression (TRD), but long-term data are limited. This study examined the antidepressant effect of one or two psilocybin doses with adjunct psychotherapy in TRD until twelve months. This is a naturalistic follow-up of a phase 2b, randomized, active placebo-controlled trial, where participants were randomized to receive two drug administrations...

The Psychedelic Social Club: a regulatory concept for people who use psychedelics?

Drugs Education Prevention and Policy October 30, 2023 Henry Harder, Fabian P. Steinmetz, Maja Kohek 3 citations

Background The global drug control landscape is undergoing remarkable change. Many jurisdictions around the world, including jurisdictions in the United States, have decriminalized the possession and use of plant- and fungus-based psychedelics, such as psilocybin-containing mushrooms (PCM). With ORS 475 A, Oregon has gone a step further by becoming the first US state to legalize and regulate...