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Efficacy and tolerability of Ziprasidone vs. Clozapine in the treatment of dually diagnosed (DD-) patients with schizophrenia and cannabis use disorder: A randomised study - Ziprasidone vs. Clozapine for schizophrenia ans cannabis use disorder

Conditions
Patients with schizophrenia and cannabis abuse/dependency will be randomized to ziprasidone or clozapine treatment. Dose of medication and frequency of administration will be flexible and adjustable depending on clinical requirements. Duration of therapeutic trial:12 months
Registration Number
EUCTR2005-003156-35-DE
Lead Sponsor
Department of Psychiatry and Psychotherapy (Cologne)
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Authorised-recruitment may be ongoing or finished
Sex
All
Target Recruitment
50
Inclusion Criteria

1.Patients with schizophrenia, schizophreniform or schizoaffective disorder according to DSM-IV (295.xx) and ICD-10 (F20, F23.2, F25) as well as cannabis abuse or dependence according to DSM-IV (305.20; 304.30) and ICD-10 (F12.1, F12.2)
2.Written informed consent

Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

1.Further relevant neuropsychiatric disorders
2.Prominent (acute) positive symptoms at the timepoint of inclusion
3.Previous treatments with ziprasidone or clozapine with significant side effects
4.No availability of a family member or significant other for the collateral interviews of the follow-up evaluations
5.No compliance with the requirements of the study / lack of or questionable capability of giving informed consent

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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