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Prefrontal brain networks for cognitive flexibility in cognitive task for humans.

Prefrontal circuits for cognitive flexibility in an extradimensional set-shifting task for humans.

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2019-004018-33-AT
Enrollment
40
Registered
2020-06-30
Start date
2020-08-24
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Major depressive disorder

Interventions

Trade Name: Cipralex Pharmaceutical Form: Film-coated tablet INN or Proposed INN: Escitalopram Other descriptive name: ESCITALOPRAM OXALATE Concentration unit: mg milligram(s) Concentration type: equa

Sponsors

Department of Psychiatry and Psychotherapy, Medical University of Vienna
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - General health based on medical history, physical examination and structured clinical interview for DSM-IV (SCID) - Diagnosis of a moderate to severe depressive episode without psychotic symptoms (ICD diagnosis F32.1-2, F33.1-2) for the patients suffering from MDD - Hamilton Depression Scale (HAM-D 17-item)=18 (depressed patients only) - Age 18 to 55 years - Willingness and competence to sign the informed consent form. 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 40 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: - Any medical, psychiatric or neurological illness (other than depression) - Psychopharmacological treatment within 3 months prior to inclusion - Pregnancy - Any implant or stainless steel graft or any other contraindications for MRI. - Body mass index 30 (Erritzoe, Frokjaer et al. 2010) - Current or former substance abuse - Failure to comply with the study protocol or to follow the instruction of the investigating team.

Design outcomes

Primary

MeasureTime frame
Main Objective: To investigate the influence of depression and antidepressant treatment on intra- and extra-dimensional set-shifting as a measure of cognitive flexsibility and on brain structure and function;Secondary Objective: To investigate the relationship between brain activity and task performance;Primary end point(s): brain structure, brain activity and connectivity, task performance ;Timepoint(s) of evaluation of this end point: at each MRI scanning session

Secondary

MeasureTime frame
Secondary end point(s): treatment response score;Timepoint(s) of evaluation of this end point: at screening, each MRI scanning session and final examination

Countries

Austria

Contacts

Public ContactDepartment of Psychiatry

Medical University of Vienna

004314040035760

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 7, 2026