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Quetiapin: Zur Sicherheit, Verträglichkeit und zum Einfluss auf kognitive Funktionen bei Patienten/innen mit einer schizophrenen Psychose Quetiapine: safety and influence on cognitive functions in patients with schizophrenia: a single-trial event-related potential analysis

Quetiapin: Zur Sicherheit, Verträglichkeit und zum Einfluss auf kognitive Funktionen bei Patienten/innen mit einer schizophrenen Psychose Quetiapine: safety and influence on cognitive functions in patients with schizophrenia: a single-trial event-related potential analysis

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2004-005078-22-DE
Enrollment
15
Registered
2005-04-14
Start date
2005-04-18
Completion date
Unknown
Last updated
2024-01-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients with schizophrenia, who are not in an acute state of psychosis at enrolment (PANSS score < 80) and who do not show criteria of moderate depression, but may show depression-like symptoms corresponding to negative symptoms of schizophrenia (MADRS score =XXX). ICD classification code : F 20.0, 20.1, 20.2, 20.3, 20.5, 20.6

Interventions

Trade Name: Seroquel® Product Name: Seroquel® Product Code: 47291.00.00 Pharmaceutical Form: Film-coated tablet INN or Proposed INN: Quetiapine Current Sponsor code: QUETIAPINKOGNSCHIZOPHR Concentrati

Sponsors

Medical School of Hannover
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Provision of written informed consent prior to enrolment. Patients have to be deemed captable of providing informed consent. - Men and women age >= 18 to =65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: - Patients who aren´t deemed captable of providing informed consent. - Meeting the criteria for any other (than schizophrenia) ICD-10 diagnosis not in full remission, concomitant organic mental disorder or mental retardation. - Patients with substance abuse or dependence. - Patients who, in the opinion of the investigator, pose an imminent risk of suicide or a danger to self or others. - Evidence of clinical relevant disease (e.g. renal or hepatic impairment, significant coronary artery disease, cerebro-vascular disease, viral hepatitis B or C, acquired immunodeficient syndrome (AIDS) or cancer), or a clinical finding, that, in the opinion of the investigator would be negatively affected by the study medication or that would affect the study medication. - ECG considered to showing clinically significant abnormality at enrolment - A thyroid-stimulating hormone (TSH) concentration more than 10% above the upper limit of the normal range of the laboratory used for sample analysis at enrolment, whether or not the subject is being treated for hypothyroidism. - Administration of a depot injection within 1 dosing interval (for the depot) before week 0. - Use of antipsychotic, mood stabilizer, antidepressant, anxiolytic, hypnotic, or other psychoactive drugs within 48 hours before week 0 and throughout the study period (except medications specified in the protocol!). - Use of drugs that induce or inhibit the metabolizing cytochrome 3A4 enzymes within 2 weeks prior week 0 - Participation in another drug trial within 3 months prior to enrolment into the study. - Hypersensibility against Quetiapine or another component of the compound - Previous participation in this study.

Design outcomes

Primary

MeasureTime frame
Main Objective: Changes of verbal memory processes (see protocol page 7);Secondary Objective: Evaluation of attentional deficits by acquisition of the following parameters: immediate memory (List Learning, Story Memory), visual perception (Figure Copy, Line Orientation), speech (Picture Naming, Semantic Fluency), attention (Digit Span, Coding) (see protocol page 7);Primary end point(s): Last visit of the 15th subject undergoing the trial

Countries

Germany

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026