DENVER – A groundbreaking study reveals that a single dose of psilocybin, the active compound in “magic mushrooms,” can provide significant depression relief for up to five years.

Immediate Impact

The research, unveiled at the Psychedelic Science 2025 conference in Denver on June 18, offers promising news for those suffering from major depressive disorder (MDD). The study followed patients from a 2020 trial, assessing the long-term effects of psilocybin therapy.

Key Details Emerge

Dr. Alan Davis, co-author of the study and director of the Center for Psychedelic Drug Research and Education at The Ohio State University, shared with Fox News Digital that participants reported a reduction in depression symptoms lasting up to five years after treatment.

“Most people who participated in our trial reported improvements in depression symptom intensity,” said Davis.

Industry Response

Doug Drysdale, CEO of Cybin, a Canadian pharmaceutical company, expressed optimism about the findings. “The results of the study are certainly very encouraging,” he noted, highlighting the potential of psychedelic-based treatments for mental health conditions.

By the Numbers

  • 67% of participants remained in remission five years post-treatment.
  • 14 out of 17 patients reported full remission one month after initial treatment.

Background Context

The initial study, published in JAMA Psychiatry, involved 24 patients with MDD. Half received psilocybin at the outset, while the other half underwent treatment eight weeks later. Each participant also engaged in 11 hours of psychotherapy.

Expert Analysis

Ryan Moss, chief science officer at Filament Health, emphasized the necessity of administering psychedelics in controlled settings to mitigate risks such as anxiety and hallucinations.

“Psychedelic experiences can sometimes feature anxiety, hallucinations, and paranoia,” Moss explained.

What Comes Next

The study’s findings underscore the need for further research into the long-term efficacy of psilocybin therapy. Dr. Marc Siegel, a clinical professor at NYU Langone Medical Center, remarked on the therapeutic potential of psychedelics when used under strict medical guidance.

Psilocybin’s potential extends beyond MDD, with ongoing studies exploring its effects on postpartum depression (PPD). The Cleveland Clinic is currently investigating single-dose psilocybin for PPD treatment, focusing on a proprietary drug similar to psilocybin called RE104.

Regional Implications

The implications of this research extend across various regions, as mental health professionals and policymakers consider the integration of psychedelics into treatment protocols. The timing is particularly significant as mental health issues continue to rise globally.

As the conversation around psychedelics evolves, experts agree on the importance of rigorous, controlled studies to fully understand and harness their potential benefits for mental health treatment.