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New treatment option for Psychotic Disorders
Official title Investigating the Neural Correlates of Cognitive Function in Psychosis Patients and Non-Psychiatric Controls With Cannabis Use
ClinicalTrials.gov ID: NCT05445180
What this study is testing
- What it's testing
- Cognitive impairment is well established in people with psychosis and is associated with cannabis use. The current study will investigate the neurobiological basis of cognitive change associated with 28-days of cannabis abstinence in people with psychosis and non-psychiatric controls with cannabis use.
- Which group you join is decided by chance.
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 16 to 80. Healthy volunteers may be eligible.
You may be able to join if
- Able to provide informed consent in English or French
- Heavy cannabis use (defined as weekly cannabis use for at six months) and/or DSM-5 diagnosis of CUD
- Have a Full-Scale IQ ≥ 75
- Meet DSM-5 criteria for a psychotic disorder (psychosis patient arm only)
- Be an outpatient receiving a stable dose of medication(s) for at least two months (psychosis patient arm only)
You likely can't join if
- current SUD (other than CUD)
- MRI contraindications
- Positive urine screen for psychoactive substances other than cannabis, nicotine, or caffeine
- Current suicidal or homicidal ideation
- Head injury requiring hospitalization or loss of consciousness \> 5 minutes
- Current medical diseases that requires hospitalization or regular monitoring
See the full eligibility criteria
- Able to provide informed consent in English or French
- Heavy cannabis use (defined as weekly cannabis use for at six months) and/or DSM-5 diagnosis of CUD
- Have a Full-Scale IQ ≥ 75
- Meet DSM-5 criteria for a psychotic disorder (psychosis patient arm only)
- Be an outpatient receiving a stable dose of medication(s) for at least two months (psychosis patient arm only)
- Clinically stable (as measured by the PANSS-6, total score \<30) (psychosis patient arm only)
- current SUD (other than CUD)
- MRI contraindications
- Positive urine screen for psychoactive substances other than cannabis, nicotine, or caffeine
- Current suicidal or homicidal ideation
- Head injury requiring hospitalization or loss of consciousness \> 5 minutes
- Current medical diseases that requires hospitalization or regular monitoring
- Being pregnant
- DSM-5 Axis 1 diagnosis (other than CUD) (non-psychiatric controls only)
- Taking psychotropic medication
The study team makes the final eligibility decision.
Where it's taking place
- Montreal, Quebec, Canada
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 16 years to 80 years. Healthy volunteers may be eligible. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Montreal, Quebec, Canada. Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from ClinicalTrials.gov; the study team decides eligibility.