Last updated on December 2019

Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Schizophrenia | Healthy Control | Prodromal for Psychotic Illness | Family History of Alcoholism | Cannabis Dependence
  • Age: Between 18 - 55 Years
  • Gender: Male

Inclusion Criteria:

  • Males ages 18-55
  • For cannabis users:
  • Willing to abstain from cannabis use for four weeks
  • For schizophrenia:
  • Meets DSM-IV-TR criteria for schizophrenia or schizoaffective disorder
  • For prodrome for psychotic illness:
  • Meets SIPS criteria for prodromal syndrome
  • For family history positive:
  • First degree relative with alcoholism

Exclusion Criteria:

  • Current neuro-psychiatric illness (including cannabis dependence) or severe systemic disease. Cannabis use disorder is permitted in the cannabis dependent group. Schizophrenia and schizoaffective disorder is permitted in the schizophrenia group. Psychotic symptoms are permitted in the prodromal group.
  • Presence of ferromagnetic metal in the body or heart pacemaker
  • Have had exposure to ionizing radiation that in combination with the study tracer would result in a cumulative exposure that exceeds recommended exposure limits
  • Are claustrophobic

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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