NCT00255515

Brief Summary

The purpose of this study is to compare efficacy of quetiapine fumarate combined with Cognitive Remediation Therapy (CRT) to conventional treatment by evaluating change in social outcome in patients with schizophrenia.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
85

participants targeted

Target at P50-P75 for phase_4 schizophrenia

Timeline
Completed

Started Sep 2005

Geographic Reach
1 country

15 active sites

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

September 1, 2005

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

November 17, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

November 21, 2005

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2007

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2007

Completed
Last Updated

March 25, 2009

Status Verified

March 1, 2009

Enrollment Period

2.2 years

First QC Date

November 17, 2005

Last Update Submit

March 24, 2009

Conditions

Outcome Measures

Primary Outcomes (1)

  • Social outcome measured by Strauss-Carpenter scale

    change from baseline to last visit and end of CRT

Secondary Outcomes (3)

  • Change in PANSS total score

    change from baseline to visit 2, from baseline to end of CRT and from baseline to last visit

  • Change in PANSS positive, negative and general psychopathology symptom subscales

    change from baseline to visit 2, from baseline to end of CRT and from baseline to last visit

  • Change in cognition as measured by a Cognitive Battery of Tests

    change from baseline to end of CRT and from baseline to last visit

Study Arms (3)

1

EXPERIMENTAL

quetiapine fumarate

Drug: Quetiapine fumarate

2

ACTIVE COMPARATOR

Conventional treatment for schizophrenia

Drug: conventional treatment for schizophrenia

3

EXPERIMENTAL

quetiapine fumarate + Cognitive Remediation Therapy

Drug: Quetiapine fumarate

Interventions

oral

Also known as: Seroquel
13

various standard therapies

2

Eligibility Criteria

Age18 Years - 64 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Signed informed consent
  • Documented clinical diagnosis of schizophrenia or schizoaffective disorder for at least 2 years.
  • Clinically stable and in an outpatient setting before entering the study (visit 1).

You may not qualify if:

  • Use of clozapine and quetiapine within two months prior to visit 1.
  • If total points are ≤ 55 Intelligence quotient (IQ) according to score of WAIS-III test at visit 1.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (15)

Research Site

Eskilstuna, Sweden

Location

Research Site

Gothenburg, Sweden

Location

Research Site

Hisingsbacka, Sweden

Location

Research Site

Huddinge, Sweden

Location

Research Site

Jönköping, Sweden

Location

Research Site

Lidingö, Sweden

Location

Research Site

Limhamn, Sweden

Location

Research Site

Lund, Sweden

Location

Research Site

Malmo, Sweden

Location

Research Site

Norsborg, Sweden

Location

Research Site

Nyköping, Sweden

Location

Research Site

Stockholm, Sweden

Location

Research Site

Trollhättan, Sweden

Location

Research Site

Umeå, Sweden

Location

Research Site

Västerås, Sweden

Location

MeSH Terms

Conditions

Schizophrenia

Interventions

Quetiapine Fumarate

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental Disorders

Intervention Hierarchy (Ancestors)

DibenzothiazepinesThiazepinesThiepinsSulfur CompoundsOrganic ChemicalsHeterocyclic Compounds, 3-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Leif Lindström,

    Västerås

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

November 17, 2005

First Posted

November 21, 2005

Study Start

September 1, 2005

Primary Completion

December 1, 2007

Study Completion

December 1, 2007

Last Updated

March 25, 2009

Record last verified: 2009-03

Locations