Psilocybin

Drug

Also known as: COMP360, COMP360 psilocybin

Drug Profile

Psilocybin is a naturally occurring serotonergic psychedelic tryptamine alkaloid and an investigational drug, metabolized in vivo to psilocin. It is being studied for psychiatric indications such as major depression and treatment-resistant depression. U.S. DEA scheduling lists psilocybin as Schedule I, while Australia approved medical use in treatment-resistant depression in 2023.

Drug Class
Serotonergic psychedelic hallucinogen; serotonin receptor agonist
Approval Status
U.S. Schedule I controlled substance with no currently accepted medical use in U.S. treatment; approved in Australia for treatment-resistant depression in 2023.
Mechanism of Action
Prodrug converted to psilocin, which acts as a non-selective serotonin receptor agonist; 5-HT2A receptor activation mediates hallucinogenic effects.
Indications
  • \Treatment-resistant depression (approved in Australia)\
  • \Major depressive disorder (late-stage clinical trials in the United States)\

Related News

Trump orders faster FDA review of ibogaine and other psychedelic drugs

Trump signed an executive order to speed FDA review of ibogaine and other psychedelic drugs and said the U.S. would dedicate $50 million to ibogaine research. The FDA is also preparing priority vouchers and steps toward the first U.S. human trials, while ibogaine remains linked to serious heart risks.

Related Clinical Trials

NCT ID Title Status Phase
NCT07721467

Neuroplasticity Enhancement From Cognitive Training Reinforced by Psilocybin

NOT_YET_RECRUITING PHASE2
NCT07703722

Effect of Psilocybin and Structured Integrated Reframing Therapy on Gut-Brain Axis Biomarkers and Depression in Major Depressive Disorder

RECRUITING PHASE3
NCT07693153

The Effects of Psilocybin on Social Connectedness

NOT_YET_RECRUITING PHASE1
NCT07610135

Psilocybin Efficacy With or Without Pimavanserin Pretreatment

RECRUITING PHASE1/PHASE2
NCT07607938

Psilocybin as a Novel Therapy for Residual Anhedonia

NOT_YET_RECRUITING PHASE1
NCT07565909

Group Retreat Psilocybin Therapy for Healthcare Clinicians With Loss of Meaning in Their Work and Symptoms of Depression

NOT_YET_RECRUITING PHASE2
NCT07565493

Psilocybin Administration With 5-HT1a Blockade

RECRUITING EARLY_PHASE1
NCT07506395

Group Psilocybin-Assisted Therapy for Post-Traumatic Stress Disorder

RECRUITING PHASE1
NCT07499583

Psilocybin Assisted Psychotherapy for Treatment Resistant Depression and Co-occurring Substance Use Disorder

NOT_YET_RECRUITING PHASE1/PHASE2
NCT07360301

Consciousness and Psilocybin Effects on Well-Being: The CoPEWell Study

NOT_YET_RECRUITING PHASE1