NCT04353921

PSIL201 Long-term Follow-up Study: Psilocybin or Niacin / Major Depressive Disorder

A Two-Year Observational Follow-up Study of Subjects With Major Depressive Disorder Following a Randomized, Double-Blind Single-Dose of Psilocybin or Niacin-Control

• Status: Terminated
• Phase: —
• Study type: Observational
• Enrollment: 24 (actual)
• Sponsor: Usona Institute · Academic / Other
• Sex: All
• Age: 21 Years – 65 Years
• Healthy volunteers: Not accepted

Summary

This is a Phase 2 double-blind, long-term observational follow-up study of participants from Study PSIL201. Participants providing informed consent will be enrolled into this study and will complete web surveys and telephone interviews conducted by one central site at the following time intervals: months 2, 3, 4, 5 and 6 (± 7 days for each assessment) and months 8, 10, 12, 14, 16, 18, 20, 22 and 24 (± 14 days for each assessment).

Conditions

• Major Depressive Disorder

Interventions

Type	Name	Description
OTHER	No intervention will be administered as part of this study.	No intervention will be administered as part of this study.

Timeline

• Start date: 2020-06-30
• Primary completion: 2022-10-18
• Completion: 2022-10-18
• First posted: 2020-04-21
• Last updated: 2022-12-02

Locations

1 site across 1 country: United States