Overview of Psilocybin in the World
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A Brief Overview of the Use of Psilocybin in the World for Medicinal Purposes

🇷🇺 Russia — Russian

КРАТКИЙ ОБЗОР ПРИМЕНЕНИЯ ПСИЛОЦИБИНА В МИРЕ И ЛЕЧЕБНЫХ ЦЕЛЯХ

Original version

Original author(s): Dubrovina K.A. & Malysh E.N.

November 19, 2025

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PART I: Summary

📖 What’s This Paper About?

This paper provides a concise overview of psilocybin, a naturally-occurring hallucinogenic compound found in certain mushroom species. The authors explore its historical usage, pharmacological properties, and emerging clinical applications, particularly for treating depression, post-traumatic stress disorder, and alleviating distress in cancer patients.

Why This Matters

Psilocybin research represents a significant shift in how we approach mental health treatment. After decades of prohibition, scientific interest has resurged as clinical studies reveal promising therapeutic potential with minimal side effects compared to conventional medications.

  • Psilocybin offers a potential alternative for treatment-resistant depression
  • It shows promise for alleviating psychological distress in terminal cancer patients
  • Australia has already approved psilocybin for certain therapeutic applications

Top 5 Takeaways

1. Ancient Spiritual Roots

Psilocybin mushrooms have a long history in human culture, playing significant roles in religious rituals and spiritual ceremonies across various traditions, helping practitioners achieve transcendent states of consciousness.

2. Neurochemical Mechanism

Psilocybin works primarily by interacting with serotonin receptors, particularly 5-HT2A, altering activity in the cerebral cortex and limbic system, which leads to profound changes in perception, thought, mood, and consciousness.

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3. Psychological Effects

Users experience powerful hallucinations, altered perception of time and space, euphoria, changed self-perception, and intensified emotions, with many reporting profound emotional and spiritual experiences.

4. Therapeutic Potential

Research indicates psilocybin may benefit patients with depression, post-traumatic stress disorder, addiction disorders, and terminal cancer-related psychological distress, offering a promising treatment approach with relatively mild side effects.

5. Regulatory Progress

Australia has legally approved psilocybin for treating depression and in oncology settings, representing a significant shift in medicinal acceptance, though most other applications of psychedelics remain illegal globally.

The Bigger Picture

The resurgence of psilocybin research marks a paradigm shift in psychiatry and neuroscience. After decades of prohibition following the counterculture era, these substances are being reevaluated through rigorous scientific methodology. The preliminary findings suggest that when administered in controlled clinical settings, psilocybin may offer significant advantages for certain mental health conditions with fewer side effects than many conventional pharmaceuticals. This represents a potential revolution in our understanding of consciousness and approaches to mental healthcare.

Final Thought

As psilocybin transitions from ceremonial contexts to clinical applications, we’re witnessing the convergence of ancient wisdom with modern science—a development that may reshape our approach to treating some of humanity’s most challenging mental health conditions.

PART II: Complete English Translation

A BRIEF OVERVIEW OF PSILOCYBIN USE WORLDWIDE AND FOR THERAPEUTIC PURPOSES

Dubrovina K.A., Malysh E.N.

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Scientific advisor: Dr. Med. Sci., Professor Rusanovsky V.V.

Department of Pharmacology, Saint Petersburg State Pediatric Medical University

Email: Du***********@****ex.ru

This study provides a concise overview of psilocybin, a hallucinogenic substance naturally present in various mushroom species. The paper examines psilocybin’s historical background, mechanisms of action, chemical structure, and potential clinical applications. Through analysis of scientific literature, the authors explore psilocybin’s ancient usage in spiritual practices, its neurochemical effects on serotonin receptors (particularly 5-HT2A), and its pharmacological properties. Recent research indicates potential therapeutic benefits for treating depression, post-traumatic stress disorder, addiction, and alleviating distress in cancer patients. The authors note that while hallucinogenic mushrooms currently have limited clinical applications, primarily being used in experimental pharmacology and for patients with depression or terminal illness, international research has shown promise for psilocybin as an antidepressant with mild side effects.

Keywords: psilocybin, hallucinations, serotonin.


Research Relevance

Psilocybin is a hallucinogenic substance that naturally occurs in various mushroom species and is an alkaloid from the tryptamine family [1]. The pharmacology of psilocybin belongs to the field of research related to psychedelic substances, possessing unique properties that generate interest among researchers and pharmacologists.

Research Objective

To provide a comprehensive overview of psilocybin, examine its historical background, mechanisms of action, chemical structure, and its potential clinical applications.

Materials and Methods

Review and analysis of international scientific articles.

Results

The consumption of mushrooms containing psilocybin has an ancient history and is associated with ritual and spiritual practices of many cultures. These mushrooms played a significant role in their religious ceremonies, helping to achieve transcendent states of consciousness.

Research shows that psilocybin affects the neurotransmitter serotonin, especially its 5-HT2A receptors [2]. This leads to altered activity in various brain regions, including the cerebral cortex and limbic system. As a result, changes in perception, thinking, mood, and consciousness occur. Psilocybin is an indole derivative that transforms in the body into psilocin. Both compounds affect the serotonin system associated with mood regulation, consciousness, and perception.

Pharmacological effects include strong hallucinations, altered perception of time and space, euphoria, changed perception of self and the surrounding world, as well as intensified emotions [2]. Some users report profound emotional and spiritual experiences.

Recent studies show that psilocybin may have potential benefits in clinical practice. It is being investigated as a possible therapeutic agent for psychological disorders such as depression, post-traumatic stress disorder, and drug addiction. Some clinical studies also show positive results in alleviating distress in patients with oncological diseases [1].

Currently, psilocybin preparations are legally used in Australia for the treatment of depression and oncology.

Conclusions

At present, hallucinogenic mushrooms are rarely used in clinical practice but are utilized in experimental pharmacology, laboratory research, and for patients with depression and incurable diseases. International research has shown that psilocybin is widely used as an antidepressant, as it has mild after-effects and few side effects. All other cases of psychedelic use are illegal.


This is informational, not medical advice.

Read the Original Russian Version

This translation is based on the original Russian academic paper. Access the source document to see the scholarly work in its native language.

Sources

Sources

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1. Al-Naggar R.A., Alshaikhli H., Erlam G. Effectiveness of psilocybin on depression: A qualitative study. Electron. J. Gen. Med., vol. 18, no. 3, 2021.

2. Jóhannesdóttir A., Sigurðsson E. The use of psilocybin for treatment-resistant depression. Laeknabladid, vol. 108, no. 9, pp. 403–410, 2022.

3. Holze F., Becker A.M., Kolaczynska K.E., Duthaler U., Liechti M.E. Pharmacokinetics and Pharmacodynamics of Oral Psilocybin Administration in Healthy Participants. — 2022.

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