psychosis schizophrenia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients diagnosed with schizophrenia. Diagnosis is determined by the MINI Plus (van Vliet and the Fair 2007) Patients treated with both first-and half-generation antipsychotic Age 18 -70 years Each patient needs to agree with the study procedures. Patients agree with the tests and examinations specified in the protocol. Each patient should understand the purpose of the study and sign the informed consent document.
Exclusion criteria
Exclusion criteria: High risk of relapse with aggression. Serious illness other than schizophrenia, eg liver, kidney or gastrointestinal disorders, for which hospitalization is required within 9 months or leading to death within 3 years. Severe suicidality.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary study objective Is the reduction of 1 to several antipsychotic antipsychotic associated with more relapse? Relapse is measured with the Brief Psychiatric Rating Scale (BPRS) and is defined as: - An absolute increase of> 2 on one of the following BPRS items: disorganization, hallucinatory behavior, suspiciousness, unusual thought content, that specific items since the last visit, or - An absolute increase of> 4 in the BPRS total score of the following items: disorganization, hallucinatory behavior, suspiciousness, unusual thought content since the last visit. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary study objectives 1.Does reducing multiple antipsychotics to 1 antipsychotic affect symptoms of schizophrenia measured by the BPRS 2. Does reducing multiple antipsychotics to 1 antipsychotic affect the number and nature of adverse events measured with the UKU 3. Does reducing multiple antipsychotics to 1 antipsychotic affect metabolic parameters. 4. Does reducing multiple antipsychotics to 1 antipsychotic affect symptoms of dyskinesia and EPS respectively measured with the AIMS, BARS and the UPDRS. 5. Does reducing multiple antipsychotics to 1 antipsychotic affect the quality of life measured with the SWN 6. Does reducing multiple antipsychotics to 1 antipsychotic affect the care needs measured by the Honos | — |
Countries
Netherlands