Please select the eligibility criteria that correspond to the clinical trial below.
Title: Cannabis and Psychosis. Randomized Clinical Trial: Specialized Addiction Treatment Versus Treatment as Usual for Young Patients With Cannabis Abuse and Psychosis
Brief Summary: The purpose of the trial is to investigate the effect of specialized treatment of cannabis abuse among young people with psychosis. The specialized treatment consists of manualized individual treatment and group therapy. It will be compared with the standard treatment, which consists of non-specialized, non-manualized treatment. 140 patients will be randomised to one of the two treatments, and the investigator(s) will be blinded to the treatment received.


Options:
A: Inclusion Criteria:

* age 18 years or older
* meet DSM-IV criteria for cocaine abuse or dependence
* English speaking
* pass a brief quiz regarding study procedures to ensure understanding of the informed consent process.

Exclusion Criteria:

* dementia
* in recovery from pathological gambling
B: Inclusion Criteria:

* Diagnosis of schizophrenia or schizoaffective disorder confirmed by the Structured Clinical Interview for DSM-IV Disorders (SCID).
* Cannabis severity scores of moderate or higher on the Addiction Severity Index (ASI).
* present with significant cognitive disability based on the Cognitive Style and Social Cognition Eligibility Interview
* Intelligence quotient (IQ) greater than 80
* Ability to read and speak fluent English
* Ability to attend weekly treatment sessions in Pittsburgh, PA.

Exclusion Criteria:

* Organic Brain Syndrome
* English Language below a sixth grade level
* Persistent suicidal or homicidal behavior
* comorbid medical disorders producing cognitive impairment
* receipt of substance abuse pharmacotherapies (e.g., naltrexone)
C: Inclusion Criteria:

* The patient must fulfil research criteria for F2 in ICD-10 (schizophrenia and schizophrenia-like conditions) and diagnosis of F12 (mental illness or disturbances caused by cannabis)
* The patient must understand Danish language to the extent that assessment and treatment can be conducted without an interpreter.
* The patient must give informed consent to participate in the trial. In addition, the patient must consent to participate in the specialized treatment (CapOpus) and consent to continuation or initiation of treatment for the psychiatric condition.
* Patients in OPUS, Assertive Community Treatment, Community Mental Health Centres, psychiatric wards, and others who meet the criteria can be included in the trial. (OPUS is a treatment for young people with first-episode psychosis in Copenhagen - www.opus-kbh.dk)
* Cannabis abuse must be the dominant form of abuse. Other substance abuse can be present sporadically.
* Patients must be 18 to 35 years of age and have legal residence in or near the municipality of Copenhagen or Frederiksberg

Exclusion Criteria:

* Patients who meet the criteria of alcohol-dependence syndrome (F10.2), opioid dependence syndrome (F11.2) or cocaine dependence syndrome (F14.2)
* Patients who do not give informed consent
D: Inclusion Criteria:

1. - Having a first psychotic episode. DSM-IV-TR diagnosis of a psychotic disorder (i.e. schizophrenia, schizophreniform disorder, schizoaffective disorder, delusional disorder, bipolar disorder, atypical psychosis, brief psychotic disorder, or major depressive disorder with psychotic symptoms).
2. - Being a regular cannabis user according DSM-IV
3. -Being in remission from the first psychotic episode (not exceeding 5 years).

Exclusion Criteria:

1. Presenting organic brain pathology.
2. Presenting mental retardation according to DSM-IV criteria.

Answer: C