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

Stopped early

Conditions studied: Major Depressive Disorder

In brief

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

Key facts

Study ID

NCT04353921

Run by

Usona Institute

People needed

26

Starts

2020-06-30

Expected to finish

2022-10-18

Last updated by the study team

2026-05-04

Who can join

Age: 21 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Enrollment and randomization in Study PSIL201
• Ability and willingness to provide informed consent prior to initiation of any study-related procedures

You may not qualify if…

• Inability or unwillingness to complete study procedures, including regular completion of web surveys and telephone interviews with study personnel

Where it is running

• Innovative Clinical Research, Inc. (formerly Segal Trials) — Lauderhill, Florida, United States

Full record on ClinicalTrials.gov

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