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:

current marijuana use; currently sexually active; able to complete the study procedures in English

Exclusion Criteria:

pregnant; alcohol dependence; drug dependence
B: 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
C: Inclusion Criteria:

* at least 18 years old
* receive medical care at one of the participating primary care clinics at Harborview Medical Center/University of Washington Medical Center
* will maintain care at the clinic for one year
* have a phone or easy access to phone, voicemail, or email
* used recreational drugs in the last 3 months
* used prescription medications not as prescribed in the last 3 months

Exclusion Criteria:

* participation in any formal substance abuse treatment programs in the last 30 days (excluding 12-step or self-help groups)
* terminal illness
D: Inclusion Criteria:

* Participants will be recruited by Aboriginal Mental Health Workers - or nominated by mental health staff or the General Practitioner. The treating doctors or local mental health team will be notified of the nomination in each case and, if they have no concerns, the Aboriginal Mental Health Worker will arrange the information and consent session with the research team. The participants will be clients who have a primary chronic mental illness, are aged over 18 years, are able to give informed consent, and are current clients. The diagnoses for inclusion are Schizophrenia, Delusional disorder, Schizoaffective disorder, Drug-induced psychosis, Non-specific psychoses, and Affective disorders. The criteria for chronicity for the purposes of the project are defined by two or more episodes of illness severe enough to require medical intervention and treatment. The carer will be identified by discussion between the client and the Aboriginal Mental Health Worker or Health Worker.

Exclusion Criteria:

People aged less than 18 years, and people with known Intellectual disability or organic brain disorders will be excluded. People with illnesses which have not recurred, or which are not likely to recur will be excluded.

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Answer: B