TABLE 1.
Patients |
Inclusion criteria |
+ Antipsychotic-naïve, first-episode psychosis |
+ Fulfilling diagnostic criteria of schizophrenia, persistent delusional disorder, acute and transient psychotic disorders, schizoaffective disorder, other non-organic psychotic disorders and unspecified non-organic disorders (ICD-10: F20.x; F22.x; F23.x; F24.x; F25.x; F28; and F29) |
+ Age: 18–45 years |
+ Legally competent |
Exclusion criteria |
- Current substance dependence ICD-10 (F1x.2) or substance abuse in any period up to 3 months prior to referral (exception: tobacco/nicotine, F17.2) |
- Treatment with antidepressants within 30 days |
- Head injury with more than 5 minutes of unconsciousness |
- Any coercive measure |
- Metal implanted by operation |
- Pacemaker |
- Pregnancy (assessed by urine HCG) |
- Female patients: Unwillingness to use safe contraception (Intra Uterine Device/System or hormonal contraceptives) during the study period. |
- Severe physical illness |
- Allergies to any of the inactive ingredients and film coat components |
|
Healthy controls (N = 20) matched on age and gender
|
Inclusion criteria |
+ No first-degree relative with known major psychiatric disorder (ICD-10: F1x; F2x; and F3x) |
+ Age: 18-45 years |
+ Legally competent |
Exclusion criteria |
- Lifetime substance abuse/dependence ICD-10 (F1x.1/F1x.2) (exception: tobacco/nicotine, F17.1/F17.2) |
- Head injury with more than 5 minutes of unconsciousness |
- Lifetime treatment with antidepressants |
- Metal implanted by operation |
- Pacemaker |
- Pregnancy (assessed by urine HCG) |
- Females: Unwillingness to use safe contraception (Intra Uterine Device/System or hormonal contraceptives) during the study period. |
- Severe physical illness |