Status:

COMPLETED

Assessment of Cannabis Craving in Schizophrenia Using Virtual Reality

Lead Sponsor:

National Institute on Drug Abuse (NIDA)

Conditions:

Cannabis Use

Eligibility:

All Genders

18-55 years

Brief Summary

Background: \- Individuals with schizophrenia or schizoaffective disorders have a high prevalence of cannabis use. Understanding some of the environmental factors that maintain cannabis use, such as ...

Detailed Description

Objective: The use of cannabis is prevalent in people with schizophrenia, and has been linked both to onset of illness and worsening of symptoms. Craving in persons with schizophrenia who use cannabis...

Eligibility Criteria

Inclusion

  • INCLUSION AND EXCLUSION CRITERIA FOR SCHIZOPHRENIA PATIENTS:
  • INCLUSION CRITERIA:
  • 18-55 year old males and females
  • Lifetime history of at least 50 cannabis uses and average cannabis use of once per month (or average use of once per month prior to hospitalization, if inpatient)
  • Current DSM-IV diagnosis of schizophrenia or schizoaffective disorder
  • Stable antipsychotic regimen (4 weeks on antipsychotic regimen and 30 days at current dose)
  • Medically healthy as determined by screening criteria
  • Agrees to wear a head mounted display (HMD) for a period of time generally not exceeding 45 minutes
  • EXCLUSION CRITERIA:
  • DSM-IV diagnosis of active alcohol or substance abuse (besides cannabis or nicotine) in the past 1 month or dependence within the past 6 months
  • Current use of any medication that would interfere with the protocol in the opinion of MAI (dronabinol, varenicline, bupropion, etc)
  • History of head injury, seizures, stroke, or severe motion sickness
  • Positive urine toxicology screen for agents besides cannabis for substances other than cannabis or those used for therapeutic purposes: Participants who have an initial positive urine toxicology screen for substances other than those used for therapeutic purposes or cannabis will have the opportunity to return within two weeks for a second toxicology screen. If at that time the results are again positive, the participant will be excluded.
  • Positive pregnancy test (if female)

Exclusion

    Key Trial Info

    Start Date :

    September 26 2010

    Trial Type :

    OBSERVATIONAL

    Allocation :

    ACTUAL

    End Date :

    November 26 2012

    Estimated Enrollment :

    17 Patients enrolled

    Trial Details

    Trial ID

    NCT01212081

    Start Date

    September 26 2010

    End Date

    November 26 2012

    Last Update

    April 5 2018

    Active Locations (1)

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    Maryland Psychiatric Research Center (MPRC) 55 Wade Avenue

    Catonsville, Maryland, United States, 21228