Schizophrenia Trial, Recruiting NCT04033679 Sponsor: Centre for Addiction and Mental Health Condition: Schizophrenia
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Schizophrenia Trial, Recruiting

NCT04033679
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:

  • You can be male or female, of any race or background
  • You must be 18 years of age or older, and can be either a hospital inpatient or an outpatient
  • You must have a diagnosis of schizophrenia or schizoaffective disorder (based on standard diagnostic guidelines called DSM-V)
  • You must be able to understand and agree to take part in the study on your own
  • You must have been on a steady, unchanged dose of antipsychotic medication (and any other regular medications) for at least 2 months, and your dose is not expected to change during the study

Who may not be able to join:

  • People who are unable or unwilling to give informed consent, as assessed by a standard competency test called the MacArthur Test of Competence
  • People with an unstable or serious ongoing physical illness or neurological condition, including anyone with a history of seizures (epilepsy)
  • People who are currently having active thoughts of harming themselves or others
  • People whose thinking is significantly disorganised, as measured by a specific rating on a standard assessment tool (confirm with trial site)
  • People who have had a diagnosed dependence on substances (other than caffeine or nicotine) within the past month before joining the study
  • People who test positive on a urine drug screen at the initial screening visit, unless the only substance detected is cannabis/marijuana
  • People who have metal implants or a pacemaker, or who have any other reason they cannot have an MRI scan, such as severe claustrophobia (fear of enclosed spaces)
  • People who are pregnant
  • People who score below a certain level on a reading ability test called the Wide Range Achievement Test-III (confirm with trial site)

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 27 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: Philip Gerretsen, MD, PhD, Centre for Addiction and Mental Health

Phone: 416-535-8501

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
15 August 2019
Est. completion
31 March 2026

Where this trial is recruiting

🇨🇦 Canada

Primary endpoints

Medication adherence - Pill Count; Medication adherence - Plasma Monitoring; Medication adherence - Clinician Rating

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: 27 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