Psilocybin therapy

Psilocybin therapy is the use of psilocybin (the active ingredient in psilocybin mushrooms) in a potential therapeutic context.[1] It is one of several forms of psychedelic therapy under study. As of 2020, psilocybin therapy is not used in standard medical practice and is illegal in most of the world.

Research

As of 2020, results from preliminary research conducted on psilocybin therapy included effects on anxiety and depression in people with cancer diagnoses, and effects on alcohol use disorder.[2][3]

Research has also been conducted on psilocybin therapy for the treatment of migraines,[4] and cluster headaches.[5]

Safety

In the United States, psilocybin is a Schedule I substance under the federal Controlled Substances Act, which defines a substance with having substantial potential for abuse, absence of adequate safety evidence, and no currently accepted clinical uses for therapy.[1][6]

History

In 1959, Albert Hofmann, a Swiss chemist, was the first person to extract pure psilocybin from the mushroom Psilocybe mexicana. Sandoz, the company that employed Hofmann, then began to sell the active compound to clinicians as an aid in psychedelic psychotherapy.[7]

In August 1960, Timothy Leary conducted a self-experiment using psilocybin mushrooms. After trying pure, extracted psilocybin, he and Dr. Richard Alpert tested whether it could help reduce recidivism rate and constitute an effective psychotherapy aid. In 1963, Leary and Alpert were suspended from their jobs at Harvard University, due to irresponsible and dangerous experimentation with psilocybin mushrooms.[8] Psilocybin research in the United States ended in 1970 when the use and possession of psilocybin mushrooms became illegal.[6][7]

In 2018–19, the United States Food and Drug Administration (FDA) granted breakthrough therapy designation to facilitate further research for psilocybin in the possible treatment of depressive disorders.[9] As of 2020, research on the use of psilocybin indicated it caused hallucinations with inability to establish reality from fantasy, panic reactions, and possible psychoses at high doses.[6]

In November 2020, the U.S. state of Oregon legalized psilocybin for people age 21 and older, and decriminalized possession or use of psilocybin mushrooms for medical conditions, such as depression, anxiety, or PTSD.[10]

As of 2020, psilocybin has no federally-accepted medical use in the United States.[6] In Germany, psilocybin mushrooms and spores are considered as controlled substances illegal to possess or transport.[11]

References

  1. 1 2 "Psilocybin (magic mushrooms)". Drugs.com. 2021. Retrieved 24 March 2021.
  2. Johnson, Matthew W.; Griffiths, Roland R. (2017-06-05). "Potential therapeutic effects of psilocybin". Neurotherapeutics. 14 (3): 734–740. doi:10.1007/s13311-017-0542-y. ISSN 1933-7213. PMC 5509636. PMID 28585222.
  3. Nichols, David E. (2020). "Psilocybin: from ancient magic to modern medicine". The Journal of Antibiotics. 73 (10): 679–686. doi:10.1038/s41429-020-0311-8. PMID 32398764.
  4. Schindler, EAD; Sewell, RA; Gottschalk, CH; Luddy, C; Flynn, LT; Lindsey, H; Pittman, BP; Cozzi, NV; D'Souza, DC (12 November 2020). "Exploratory Controlled Study of the Migraine-Suppressing Effects of Psilocybin". Neurotherapeutics. 18 (1): 534–543. doi:10.1007/s13311-020-00962-y. PMC 8116458. PMID 33184743.
  5. Sewell, RA; Halpern, JH; Pope HG, Jr (27 June 2006). "Response of cluster headache to psilocybin and LSD". Neurology. 66 (12): 1920–2. doi:10.1212/01.wnl.0000219761.05466.43. PMID 16801660. S2CID 31220680.
  6. 1 2 3 4 "Psilocybin" (PDF). Drug Enforcement Agency, US Department of Justice. 1 April 2020. Retrieved 24 March 2021.
  7. 1 2 Daniel, Jeremy; Haberman, Margaret (2018-03-23). "Clinical potential of psilocybin as a treatment for mental health conditions". The Mental Health Clinician. 7 (1): 24–28. doi:10.9740/mhc.2017.01.024. ISSN 2168-9709. PMC 6007659. PMID 29955494.
  8. "When Did Psilocybin Mushrooms First Appear In Human Culture?". The Third Wave. 2016-07-27. Retrieved 2018-05-15.
  9. "FDA grants Breakthrough Therapy Designation to Usona Institute's psilocybin program for major depressive disorder". www.businesswire.com. 2019-11-22. Retrieved 2019-11-25.
  10. "Act: Be It Enacted by the People of the State of Oregon" (PDF). Elections Division, Secretary of State, Oregon. 2 July 2019.
  11. "Anlage I BtMG - Einzelnorm". www.gesetze-im-internet.de. Retrieved 2021-03-24.
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