PSIL201 Long-term Follow-up Study: Psilocybin or Niacin / Major Depressive Disorder
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ClinicalTrials.gov Identifier: NCT04353921 |
Recruitment Status :
Terminated
(Low enrollment and inability to achieve statistical significance)
First Posted : April 21, 2020
Last Update Posted : December 2, 2022
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Condition or disease | Intervention/treatment |
---|---|
Major Depressive Disorder | Other: No intervention will be administered as part of this study. |
Study Type : | Observational |
Actual Enrollment : | 24 participants |
Observational Model: | Cohort |
Time Perspective: | Other |
Official Title: | 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 |
Actual Study Start Date : | June 30, 2020 |
Actual Primary Completion Date : | October 18, 2022 |
Actual Study Completion Date : | October 18, 2022 |

Group/Cohort | Intervention/treatment |
---|---|
Single-Dose of Psilocybin |
Other: No intervention will be administered as part of this study.
No intervention will be administered as part of this study. |
Niacin-Control |
Other: No intervention will be administered as part of this study.
No intervention will be administered as part of this study. |
- Montgomery-Asberg Depression Rating Scale [ Time Frame: 6 Months post-dosing in PSIL201 ]Between-group difference in mean change from baseline (prior to dosing in PSIL201) in Montgomery-Asberg Depression Rating Scale (MADRS)

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Ages Eligible for Study: | 21 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
Inclusion Criteria:
- Enrollment and intervention with the investigational drug in Study PSIL201
Exclusion Criteria:
- Inability or unwillingness to complete study procedures, including regular completion of web surveys and telephone interviews with study personnel

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04353921
United States, Florida | |
Segal Trials | |
Lauderhill, Florida, United States, 33319 |
Responsible Party: | Usona Institute |
ClinicalTrials.gov Identifier: | NCT04353921 |
Other Study ID Numbers: |
PSIL201-LTFU |
First Posted: | April 21, 2020 Key Record Dates |
Last Update Posted: | December 2, 2022 |
Last Verified: | November 2022 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Depressive Disorder Depression Depressive Disorder, Major |
Mood Disorders Mental Disorders Behavioral Symptoms |