Oregon's regulated psilocybin program shows encouraging safety and benefit results
A study of nearly 350 participants who used psilocybin at state-licensed centers in Oregon found most trips helpful and serious side effects rare.
A new investigation led by Oregon Health & Science University examined the outcomes of roughly 350 people who consumed psilocybin at state-approved centers, the first such program in the United States. Most respondents described their sessions as beneficial, with over half ranking the experience as one of the most meaningful in their lives. Serious adverse events were limited to four first-time users, including a violent reaction and an anxiety-related emergency visit, while other safety concerns were mainly behavioral.
More than half reported improvements in mental-health symptoms, though experts caution that the uncontrolled design limits interpretation. The participant pool was predominantly white, college-educated, and relatively affluent, mirroring the broader Oregon clientele. Critics note the limited scope may mask broader risks, but the research team plans to expand monitoring through the Oregon Psychedelic Evaluation Nexus (OPEN).
Why it matters
The results inform how regulated psychedelic services might be safely integrated into mental-health care.
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