Efficacy and Safety of COMP360 Psilocybin Therapy in Anorexia Nervosa: a Proof-of-concept Study

December 11, 2023 updated by: COMPASS Pathways
Efficacy and Safety of COMP360 Psilocybin therapy in Anorexia Nervosa: a Proof-of-concept Study

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

This study aims to explore the efficacy and safety of COMP360 25 mg as compared to COMP360 1 mg (control condition) administered with psychological support in participants with Anorexia Nervosa

Study Type

Interventional

Enrollment (Estimated)

60

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Any sex and aged 18 years or above at screening.
  2. Meeting criteria for AN either restrictive or binge-purging type, according to the DSM-5, based on medical records, clinical assessment, BMI, and documented completion of MINI 7.0.2 and EDE at screening.
  3. Have successfully discontinued all prohibited medications for a period of at least two weeks prior to baseline. For fluoxetine (Prozac), immediate cessation at screening period visit 1a followed by at least four weeks of washout will be required prior to baseline.
  4. Has a history of disordered eating with duration of at least 3 years prior to screening, that is consistent with AN.
  5. BMI ≥15 kg/m2 and ≤20 kg/m2. For participants with a BMI <16 kg/m2 and >18.5 kg/m2 at screening, approval from the Medical Monitor will be required. Any participant with a BMI >18.5 kg/m2 must meet all of the criteria for AN except that, despite significant weight loss, the individual's weight is within or above the normal range.
  6. Being otherwise medically stable at screening determined by clinical interview, clinical laboratory values, vital signs, ECG, and medical history.
  7. Have at least one documented prior attempt at treatment in the past 3 years.

Exclusion Criteria:

  1. Prior or ongoing bipolar disorder, any psychotic disorder, including schizophrenia, schizophreniform disorder, schizoaffective disorder, brief psychotic disorder (unless substance induced or due to a medical condition), antisocial personality disorder, or any serious psychiatric comorbidity as assessed by medical history and a structured clinical interview (MINI 7.0.2).
  2. Prior or ongoing paranoid, schizoid, schizotypal, histrionic, narcissistic personality disorder based on medical history and clinical judgment.
  3. Borderline personality disorder as demonstrated by medical history, the MINI Plus - BPD and clinical judgment.
  4. Significant suicide risk as defined by (1) suicidal ideation as endorsed on items 4 or 5 on the C-SSRS within the past year, at screening or at baseline, or; (2) suicidal behaviours within the past year or; (3) clinical assessment of significant suicidal risk during participant interview.
  5. Current (within last year) alcohol or substance use disorder as informed by the DSM-5 assessed via the MINI 7.0.2, and urine toxicology at screening.
  6. Other personal circumstances and behaviour judged to be incompatible with establishment of rapport or safe exposure to psilocybin.
  7. Exposure to psilocybin, or any other psychedelics, such as ayahuasca, mescaline, LSD, or peyote within the past year.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: 25 mg COMP360 Psilocybin
Drug: Psilocybin
COMP360 Psilocybin administered under supportive conditions
Other Names:
  • COMP360
Active Comparator: 1 mg COMP360 Psilocybin
Drug: Psilocybin
COMP360 Psilocybin administered under supportive conditions
Other Names:
  • COMP360

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change from baseline in the Eating Disorder Examination (EDE) global score
Time Frame: Week 4
The EDE is a structured clinical interview (investigator rated) used to measure severity of the characteristic psychopathology of eating disorders
Week 4

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Safety
Time Frame: Up to 12 weeks
Proportion of patients with adverse events (AEs)
Up to 12 weeks
Change from baseline in Yale-Brown Obsessive Compulsive Scale (Y-BOCS)
Time Frame: Week 4
The Y-BOCS self-rated version consists of a 10 item measure with a total score ranging from 0 to 40, with higher scores indicating increased severity of symptoms
Week 4
Change from baseline in weight
Time Frame: Up to 12 weeks
Up to 12 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

COMPASS Pathways

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 12, 2022

Primary Completion (Estimated)

May 1, 2024

Study Completion (Estimated)

June 1, 2024

Study Registration Dates

First Submitted

July 28, 2022

First Submitted That Met QC Criteria

July 28, 2022

First Posted (Actual)

August 1, 2022

Study Record Updates

Last Update Posted (Actual)

December 12, 2023

Last Update Submitted That Met QC Criteria

December 11, 2023

Last Verified

December 1, 2023

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • COMP 401

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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