Clinical trial • Phase II • Psychiatry

Dry extract from Psilocybe cubensis (15-25:1), extraction solvent: methanol for Prolonged grief disorder

Phase II trial of Dry extract from Psilocybe cubensis (15-25:1), extraction solvent: methanol for Prolonged grief disorder. Randomised. 120 participants.

Overview

Trial Therapeutic Area
Psychiatry
Trial Disease
Prolonged grief disorder
Trial Stage
Phase II
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
05-11-2024
First CTIS Authorization Date
10-02-2025

Trial design

Randomised Phase II trial across 1 site in Sweden.

Randomised
Yes
Target Sample Size
120

Eligibility

Recruits 120 No vulnerable populations selected. 'The subject has given their written consent to participate in the trial.'.

Vulnerable Population
No vulnerable populations selected. 'The subject has given their written consent to participate in the trial.'

Inclusion criteria

  • {"criterion_text":"- The subject has given their written consent to participate in the trial.\n- PG13-R score 30 or higher\n- Good health as determined by medical history, ECG, and clinical assessment of lab tests. Lab tests will include electrolytes (sodium, potassium, chloride, magnesium, calcium, phosphate), GFR, creatinine, glucose, complete blood count, hemoglobin, MCV, white blood cells, platelets, TSH, liver panel including total bilirubin, ALP, AST, ALT, GGT. The final decision will be according to the judgment of a study physician."}

Exclusion criteria

  • {"criterion_text":"- Any clinically significant medical condition as determined by medical history and lab tests, including CNS, cardiovascular disorders including uncontrolled hypertension (greater than 165/95), respiratory, gastrointestinal, hepatic, renal, endocrine, or reproductive disorders, as assessed by the Principal Investigator (PI) or designee, after appropriate consultation if needed.\n- Any current clinically significant psychiatric problems including a diagnosis of substance dependence other than nicotine during the past year (defined in DSM-5 terms as Substance Use Disorder, Moderate or Severe;), as assessed by PI or designee.\n- History of psychotic experiences or suicidality, or family history (first degree relatives) of psychosis.\n- History of bipolar disorder or family history (first degree relatives) of bipolar disorder."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Score on PG13-R","definition_or_measurement_approach":"Score on PG13-R (revised prolonged grief disorder scale); primary objective is to determine whether PG13-R scores are reduced significantly after the PEX010 dosing session."}

Secondary endpoints

  • {"endpoint_text":"- Score on PG13-R","definition_or_measurement_approach":"Score on PG13-R measured as a secondary endpoint (same scale as primary)."}

Recruitment

Planned Sample Size
120
Recruitment Window Months
36
Consent Approach
Written informed consent is required: 'The subject has given their written consent to participate in the trial.' Subject information and informed consent forms are available in Swedish and English (documents L1_Forskningspersonsinformation_sorg_2024-518218-24-00 and L1_Forskningspersonsinformation_sorg_2024-518218-24-00_ENG). No assent process or minor-specific consent described; no vulnerable populations selected.

Geography

Total Number Of Sites
1
Total Number Of Participants
120

Sweden

Earliest CTIS Part Ii Submission Date
16-01-2025
Latest Decision Or Authorization Date
10-02-2025
Processing Time Days
25
Number Of Sites
1
Number Of Participants
120

Sites

Site Name
Universitetssjukhuset I
Department Name
Psykiatriska kliniken i Linköping, Region Östergötland
Contact Person Name
Markus Heilig
Contact Person Email
markus.heilig@liu.se

Sponsor

Primary sponsor

Full Name
Linkopings Universitet
Organisation Type
Educational Institution
Country Of Registered Address
Sweden

Investigational products

Investigational Product Name
PEX010 Psilocybin Capsules (1mg psilocybin)
Active Substance
Dry extract from Psilocybe cubensis (15-25:1), extraction solvent: methanol
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
Authorised
Starting Dose
1 mg
Dose Levels
1 mg
Maximum Dose
1 mg
Investigational Product Name
PEX010 Psilocybin Capsules (25 mg psilocybin)
Active Substance
Dry extract from Psilocybe cubensis (15-25:1), extraction solvent: methanol
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
Authorised
Starting Dose
25 mg
Dose Levels
25 mg
Maximum Dose
25 mg

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