NCT01154829

Brief Summary

The investigators want to relate disturbances in first-episode schizophrenic patients in (dopaminergic) D2 receptors, brain structure, brain function, and information processing to each other and to psychopathology. Additionally, the investigators want to examine the influence of D2 receptor blockade on these disturbances. The investigators expect disturbances in the dopaminergic system at baseline to correlate with specific structural and functional changes and with disruption in information processing as measured with psychophysiological and neurocognitive methods - and investigators expect D2 receptor blockade to reverse some of the functional and cognitive impairments.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
136

participants targeted

Target at P75+ for not_applicable schizophrenia

Timeline
Completed

Started Dec 2008

Longer than P75 for not_applicable schizophrenia

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2008

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

June 21, 2010

Completed
10 days until next milestone

First Posted

Study publicly available on registry

July 1, 2010

Completed
3.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2014

Completed
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2016

Completed
Last Updated

May 26, 2016

Status Verified

May 1, 2016

Enrollment Period

5.4 years

First QC Date

June 21, 2010

Last Update Submit

May 25, 2016

Conditions

Keywords

dopaminefirst episoderewardcognitionMRIfMRIPPIP300P50 gatingendophenotypes

Outcome Measures

Primary Outcomes (1)

  • Relationship between specific neuropsychiatric measures and improvement on PANSS scores

    6 weeks of medical treatment

Secondary Outcomes (6)

  • The relation between D2 binding potential (SPECT) and reward related brain activity (fMRI BOLD response) before and after D2 blockade

    Baseline, 6 weeks

  • Time/dose improvement on PPI and other psychophysiological measures of early information processing after D2 blockade

    Baseline, 2 and 6 weeks, 6,12,24 months

  • Disturbances in reward related fMRI BOLD response in antipsychotic naive schizophrenic patients

    Baseline and 6 weeks follow up

  • Structural changes in grey and white matter before and after D2 blockade

    6 weeks, 6, 12 and 24 months,

  • Cognitive differences at baseline and changes over time after D2 blockade

    Baseline, 6 weeks, 6,12,24 months

  • +1 more secondary outcomes

Study Arms (2)

first choice treatment

ACTIVE COMPARATOR

Treatment with amisulpride

Drug: amisulpride

second choice treatment

ACTIVE COMPARATOR

treatment with aripiprazole

Drug: aripiprazole

Interventions

Individually dosed, according to symptoms, for a period of 6 weeks

Also known as: Solian
first choice treatment

Individually dosed, according to symptoms, for a period of 6 weeks

Also known as: abilify
second choice treatment

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • For patients: meeting diagnostic criteria for schizophrenia according to ICD 10 or DSM IV antipsychotic naive The controls will be matched to the patients according to gender age and parental socio-economic status.

You may not qualify if:

  • Patients: mental retardation, other chronic diseases, use of antidepressive medicine during the last month,being pregnant, on going substance abuse
  • Controls: psychiatric diagnosis, psychiatric diagnosis in first-degree relatives,on going drug abuse, mental retardation -

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Center for Neuropsychiatric Schizophrenia Research, University of Copenhagen, Psychiatric Center Glostrup

Glostrup Municipality, DK-2600, Denmark

Location

Related Publications (7)

  • Thomas MB, Raghava JM, Pantelis C, Rostrup E, Nielsen MO, Jensen MH, Glenthoj BY, Mandl RCW, Ebdrup BH, Fagerlund B. Associations between cognition and white matter microstructure in first-episode antipsychotic-naive patients with schizophrenia and healthy controls: A multivariate pattern analysis. Cortex. 2021 Jun;139:282-297. doi: 10.1016/j.cortex.2021.03.003. Epub 2021 Mar 18.

  • Wulff S, Nielsen MO, Rostrup E, Svarer C, Jensen LT, Pinborg L, Glenthoj BY. The relation between dopamine D2 receptor blockade and the brain reward system: a longitudinal study of first-episode schizophrenia patients. Psychol Med. 2020 Jan;50(2):220-228. doi: 10.1017/S0033291718004099. Epub 2019 Jan 15.

  • Ebdrup BH, Axelsen MC, Bak N, Fagerlund B, Oranje B, Raghava JM, Nielsen MO, Rostrup E, Hansen LK, Glenthoj BY. Accuracy of diagnostic classification algorithms using cognitive-, electrophysiological-, and neuroanatomical data in antipsychotic-naive schizophrenia patients. Psychol Med. 2019 Dec;49(16):2754-2763. doi: 10.1017/S0033291718003781. Epub 2018 Dec 18.

  • Jessen K, Mandl RCW, Fagerlund B, Bojesen KB, Raghava JM, Obaid HG, Jensen MB, Johansen LB, Nielsen MO, Pantelis C, Rostrup E, Glenthoj BY, Ebdrup BH. Patterns of Cortical Structures and Cognition in Antipsychotic-Naive Patients With First-Episode Schizophrenia: A Partial Least Squares Correlation Analysis. Biol Psychiatry Cogn Neurosci Neuroimaging. 2019 May;4(5):444-453. doi: 10.1016/j.bpsc.2018.09.006. Epub 2018 Sep 25.

  • Jessen K, Rostrup E, Mandl RCW, Nielsen MO, Bak N, Fagerlund B, Glenthoj BY, Ebdrup BH. Cortical structures and their clinical correlates in antipsychotic-naive schizophrenia patients before and after 6 weeks of dopamine D2/3 receptor antagonist treatment. Psychol Med. 2019 Apr;49(5):754-763. doi: 10.1017/S0033291718001198. Epub 2018 May 8.

  • Anhoj S, Odegaard Nielsen M, Jensen MH, Ford K, Fagerlund B, Williamson P, Glenthoj B, Rostrup E. Alterations of Intrinsic Connectivity Networks in Antipsychotic-Naive First-Episode Schizophrenia. Schizophr Bull. 2018 Oct 17;44(6):1332-1340. doi: 10.1093/schbul/sbx171.

  • Nielsen MO, Rostrup E, Wulff S, Bak N, Broberg BV, Lublin H, Kapur S, Glenthoj B. Improvement of brain reward abnormalities by antipsychotic monotherapy in schizophrenia. Arch Gen Psychiatry. 2012 Dec;69(12):1195-204. doi: 10.1001/archgenpsychiatry.2012.847.

Related Links

MeSH Terms

Conditions

Schizophrenia

Interventions

AmisulprideAripiprazole

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental Disorders

Intervention Hierarchy (Ancestors)

BenzamidesAmidesOrganic ChemicalsBenzoatesAcids, CarbocyclicCarboxylic AcidsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsPiperazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsQuinolonesQuinolinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Birte Y Glenthoj, professor

    University of Copenhagen, Psychiatric Center Glostrup, Ndr. Ringvej, DK-2600 Glostrup, Denmark

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
FACTORIAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
professor

Study Record Dates

First Submitted

June 21, 2010

First Posted

July 1, 2010

Study Start

December 1, 2008

Primary Completion

May 1, 2014

Study Completion

May 1, 2016

Last Updated

May 26, 2016

Record last verified: 2016-05

Data Sharing

IPD Sharing
Will not share

Locations