Depression and Anxiety Trial, Recruiting NCT04935619 Sponsor: Centre for Addiction and Mental Health Condition: Depression and Anxiety
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Depression and Anxiety Trial, Recruiting

NCT04935619
Recruiting Not Applicable

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People aged between 18 and 55 years old
  • People who have been formally assessed as having moderate to severe cannabis use disorder, based on recognised diagnostic criteria
  • People who have been formally assessed as having Major Depressive Disorder, based on recognised diagnostic criteria
  • People who are not currently staying in hospital and have been taking the same antidepressant medication at the same dose for at least three months
  • People whose depression symptom score falls within a specific moderate range on a standard rating scale called the HDRS-17 at the start of the study (confirm with trial site for exact score details)
  • People whose general intellectual ability scores at 80 or above, as measured by a specific standardised test called the WTAR
  • People who are using cannabis but are not currently looking for help or treatment to stop
  • People who show sufficient motivation and effort on a specific memory test called the TOMM, with a score of 45 or higher

Who may not be able to join:

  • People who have had a diagnosed problem with alcohol or other illegal substances (other than cannabis, nicotine, or caffeine) within the past six months
  • People whose urine test at screening shows substances other than cannabis, nicotine, or caffeine
  • People who are currently having thoughts of harming themselves or others
  • People who have been diagnosed with a psychotic disorder, such as schizoaffective disorder or depression with psychotic features
  • People who are actively seeking treatment or help for their cannabis use
  • People who have been formally assessed as having Bipolar Disorder
  • People who have had a head injury that caused loss of consciousness for more than five minutes
  • People whose depression symptom score on the HDRS-17 falls outside the required range described in the inclusion criteria

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 15 July 2026
This study is not part of the standard drug-approval phase pathway (for example an observational, device, behavioural, or registry study), so a phase success rate does not apply.

Contact this trial

Principal Investigator: Tony P George, MD., FRCPC, CAMH

Phone: 4165358501

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Not Applicable
Sponsor
Centre for Addiction and Mental Health
Registry
ClinicalTrials.gov
Start date
21 July 2021
Est. completion
30 June 2027

Where this trial is recruiting

🇨🇦 Canada

Primary endpoints

Changes in Depressive Symptomology from Baseline to Week 4; Changes in Anxious Symptomology from Baseline to Week 4; Changes in Sleep Symptomology from Baseline to Week 4; Changes in Anhedonia from Baseline to Week 4

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 15 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov