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Psilocybin in Co-occuring Major Depressive Disorder and Borderline Personality Disorder

An Open Label Study of Single-Dose Psilocybin for Major Depressive Disorder With Co-occurring Borderline Personality Disorder

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05399498
Enrollment
9
Registered
2022-06-01
Start date
2023-11-01
Completion date
2025-12-01
Last updated
2025-12-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Borderline Personality Disorder, Major Depressive Disorder

Keywords

BPD, MDD, Psilocybin

Brief summary

The primary objective of the study is to evaluate the safety and efficacy of psilocybin in adults with major depressive disorder (MDD) and borderline personality disorder (BPD).

Detailed description

The primary objective of the proposed study is to evaluate the safety and efficacy of psilocybin in adults with major depressive disorder (MDD) and borderline personality disorder (BPD). Ten subjects with MDD and BPD will receive a single 25 mg oral dose of psilocybin. The hypothesis to be tested is that psilocybin will result significant reduction in symptoms of both MDD and BPD after 1 week and sustained for 4 weeks compared to baseline (improvement in symptoms will be indicated by lower scores on established outcome measures of MDD and BPD symptoms that have been used in prior studies).

Interventions

DRUGPsilocybin

Psilocybin 25mg capsule

Sponsors

Usona Institute
CollaboratorOTHER
University of Chicago
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Open-label treatment study

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Age 18-65 * Diagnosed with current major depressive disorder * Montgomery-Asberg Depression Rating Scale (MADRS) score of \> 20 * Diagnosed with borderline personality disorder * Borderline Personality Disorder Symptom Assessment Scale (BPD-SAS) score of \> 20 * Ability to understand and sign the consent form

Exclusion criteria

* Unstable medical illness based on history or clinically significant abnormalities on baseline physical examination * Current pregnancy or lactation, or inadequate contraception in women of childbearing potential * Illegal substance use based on urine toxicology screening (except cannabis use) * Current or past history of bipolar I disorder, schizophrenia, or schizoaffective disorder * Active substance use disorder

Design outcomes

Primary

MeasureTime frameDescription
Montgomery-Asberg Depression Rating Scale (MADRS)Baseline to Week 5One of the co-primary outcome measures will be the change from baseline using the Montgomery-Asberg Depression Rating Scale (MADRS). The MADRS is a 10-item, clinician-administered scale that assesses depression symptoms during the last seven days. Each item is rated on a scale from 0 to 6, with 0 being normal/not present and 6 being extreme.
Borderline Personality Disorder Symptom Assessment Scale (BPD-SAS)Baseline to Week 5One of the co-primary outcome measures will be the change from baseline using the Borderline Personality Disorder Symptom Assessment Scale (BPD-SAS). The BPD-SAS covers a two-week time frame and each of the nine criteria, each representing symptoms of BPD, for BPD is rated on a five-point anchored rating scale of 0-4, with 0 representing no symptoms and 4 representing extreme symptoms.

Secondary

MeasureTime frameDescription
Clinical Global Impression - Severity scale (CGI-S)Baseline to Week 5A clinician administered, single item scale measuring global severity of psychiatric illness. The scale itself assesses overall disorder severity on a scale from 1 to 7 with 1 being not at all and 7 being among the most severe cases
Clinical Global Impression - Improvement scale (CGI-I)Week 2 to Week 5A clinician administered, single item scale measuring overall improvement of global severity of psychiatric illness. The scale itself assesses overall disorder improvement on a scale from 1 to 7 with 1 being Very much improved and 7 being Very much worse

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026