Research Keyword: psilocybin therapy

Naturalistic psychedelic therapy: The role of relaxation and subjective drug effects in antidepressant response

Researchers studied how LSD and psilocybin work in real-world therapy settings in Switzerland. They found that these compounds effectively reduced depression symptoms in patients who hadn’t responded to other treatments. Surprisingly, the feeling of relaxation during the session was more important for improvement than having intense mystical experiences. The therapy was generally safe, with side effects that resolved quickly.

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Decreases in State and Trait Anxiety Post-psilocybin: A Naturalistic, Observational Study Among Retreat Attendees

This study followed 52 people who attended psilocybin retreats in the Netherlands and measured their anxiety levels before, one day after, and one week after the experience. Participants showed significant reductions in both immediate anxiety (state anxiety) and long-term anxiety tendencies (trait anxiety) that lasted up to a week. The anxiety improvements were most strongly linked to feeling a sense of ego dissolution during the experience and to lasting changes in personality traits, particularly becoming less neurotic.

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Long-COVID symptoms improved after MDMA and psilocybin therapy: A case report

A 41-year-old woman with Long-COVID experienced severe symptoms including fatigue, depression, anxiety, headaches, and brain fog that didn’t improve with traditional treatments. She decided to try psilocybin mushrooms and MDMA with guidance from a therapist. After multiple dosing sessions over several months, she reported roughly 80-90% improvement in her symptoms and was able to return to work and resume her studies. While this single case is promising, more research is needed to determine whether these psychedelics are truly safe and effective for Long-COVID.

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Errors in the Author Affiliations

This is a correction notice for a research study about psilocybin therapy used to treat depression in healthcare workers during the COVID-19 pandemic. The original article had several incorrect author affiliations that have now been corrected to properly list their departments at the University of Washington School of Medicine.

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Negative affective bias in depression following treatment with psilocybin or escitalopram – a secondary analysis from a randomized trial

This research compared how psilocybin mushrooms and escitalopram (a common antidepressant) affect the way depressed people perceive emotions. Both treatments helped patients become better at recognizing positive facial expressions and less likely to misinterpret neutral or positive faces as negative. Interestingly, while both treatments improved emotional processing similarly, the improvements were connected to later mood improvement in different ways for each drug, suggesting they may work through somewhat different mechanisms in the brain.

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Serotonin 5-HT2A receptor expression is chronically decreased in the anterior cerebral cortex of male rats following repetitive low-level blast exposure

Military Veterans exposed to blast explosions often develop long-term problems with memory, anxiety, and PTSD. Researchers found that in rats exposed to blast, a brain receptor called 5-HT2A becomes less active, particularly in the front part of the brain involved in thinking and emotions. This decrease in the receptor correlates with anxiety-like behaviors in the animals. Since psychedelic substances like psilocybin activate this same receptor, the findings suggest that such substances might help treat PTSD and cognitive problems in blast-injured Veterans.

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Psilocybin for treatment resistant depression in patients taking a concomitant SSRI medication

Researchers tested whether people with severe depression could take psilocybin (a compound from certain mushrooms) while staying on their antidepressant medications. In this study of 19 people, those who received psilocybin with psychological support while continuing their SSRI showed significant improvement in depression symptoms over three weeks, with response rates of 42%. Side effects were mostly mild and temporary, suggesting this approach may be safe and effective without requiring patients to stop their current antidepressants.

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Psilocybin-assisted group psychotherapy and mindfulness-based stress reduction for frontline healthcare provider COVID-19-related depression and burnout: A randomized controlled trial

Researchers tested whether combining psilocybin therapy with mindfulness training could better treat depression and burnout in frontline healthcare workers than mindfulness training alone. Twenty-five doctors and nurses participated in the study, with some receiving mindfulness training combined with psilocybin therapy in a group setting, while others received mindfulness training only. After two weeks, those who received the combined treatment showed significantly greater improvements in depression symptoms and burnout, with no serious side effects reported. This suggests that psilocybin-assisted therapy combined with mindfulness training could be a promising treatment for depression and burnout among healthcare professionals.

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Psilocybin therapy and anorexia nervosa: a narrative review of safety considerations for researchers and clinicians

This review examines the safety of psilocybin therapy for treating anorexia nervosa, a serious eating disorder with limited treatment options. The authors analyze how psilocybin’s common side effects (like increased heart rate, nausea, and dizziness) interact with medical complications already present in people with anorexia. Based on early clinical trials, they conclude that psilocybin can be safely used in this population with proper medical screening and monitoring protocols tailored to their specific vulnerabilities.

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Implementing psychedelic-assisted therapy: History and characteristics of the Swiss limited medical use program

Switzerland operates a unique program allowing controlled use of psychedelics (LSD, psilocybin) and MDMA to help patients with serious mental health conditions that haven’t responded to standard treatments. Since 2014, about 100 doctors have treated 700+ patients with these substances as part of therapy sessions. The program requires careful patient screening, informed consent, and outcome reporting, with patients typically receiving 2-4 treatments over 12 months. Most patients showed significant improvement in their conditions, though some experienced side effects like nausea or headaches.

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