Assessing brain changes during and after serotonergic psychedelics

Computationally, Electrophysiologically, and Qualitatively Characterizing Serotonergic Psychedelics; Transdiagnostic Therapeutic and Pro-Psychotic Effects

Observational Yale University · NCT06624137

This study is testing how psychedelics like psilocybin and LSD affect brain activity and thinking in people with and without mental health issues.

Quick facts

Study typeObservational
Enrollment200 (estimated)
Ages18 Years to 65 Years
SexAll
SponsorYale University Academic / other
Locations2 sites (Hamden, Connecticut and 1 other locations)
Trial IDNCT06624137 on ClinicalTrials.gov

What this trial studies

This observational study aims to investigate how serotonergic psychedelics, such as psilocybin and LSD, affect brain information processing in individuals with and without mental illnesses. Participants will be involved in various assessments before, during, and after the administration of these psychedelics through clinical protocols at Yale University. The study will explore changes in brain activity, perception, and belief systems, as well as the potential long-lasting effects of these substances. By understanding these mechanisms, the research seeks to enhance therapeutic outcomes while minimizing adverse effects.

Who should consider this trial

Good fit: Ideal candidates include individuals participating in approved clinical protocols at Yale University that involve serotonergic psychedelics and who do not have pre-existing psychotic symptoms.

Not a fit: Patients with current intoxication, significant cognitive impairments, or a history of seizures may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved therapeutic strategies for mental health conditions by harnessing the beneficial effects of psychedelics.

How similar studies have performed: Other studies have shown promising results with serotonergic psychedelics in treating mental health conditions, indicating that this approach is gaining traction in the field.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participation in approved clinical protocol at Yale University involving potential administration of serotonergic psychedelics
* Absence of pre-existing psychotic symptoms

Exclusion Criteria:

* Current intoxication based on self-report
* Any neurological, medical or developmental problem that is known to impair cognition significantly based on self-report
* History of seizures based on self-report
* Contraindications for MR scanning including metallic implants of any kind, pacemakers and history of accidents with metal, claustrophobia (specific to those who will participate in MRI)

Where this trial is running

Hamden, Connecticut and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions OCDMajor Depressive DisorderAlcohol Use DisorderHealthy VolunteerMigrainePTSDPTSD - Post Traumatic Stress DisorderAddiction
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.