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Relapse Prevention, RoW: Study to Evaluate Prevention of Relapse in Patients in Stable Chronic Schizophrenia Receiving Either Seroquel or Placebo

Phase 3
Completed
Conditions
Schizophrenia
Registration Number
NCT00228462
Lead Sponsor
AstraZeneca
Brief Summary

This study is being carried out to see if quetiapine (Seroquel) is effective in preventing patients from a schizophrenic relapse when studied for a long time (1 year) and if so, how it compares with non-active treatment.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
197
Inclusion Criteria
  • Stable schizophrenic patients who have provided written informed consent
  • Patients 18 to 65 years old who remain clinically stable after switching to a stable dose of Seroquel (quetiapine).
Exclusion Criteria
  • Patients with risk of suicide, other disorders or substance abuse that might interfere with the patient's ability to co-operate,
  • Expected non-compliance to treatment
  • Known diabetes mellitus,
  • Contraindications,
  • Intolerance or non-responsiveness to Seroquel or other safety issues.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
The primary objective in this study is to demonstrate superior efficacy of quetiapine to placebo by evaluating relapse prevention in long-term use in patients with schizophrenia as measured by the time to first psychiatric relapse up to one year
Secondary Outcome Measures
NameTimeMethod
To demonstrate superiority of quetiapine to placebo by evaluating the risk of relapse in long-term use in patients with schizophrenia by evaluating the one-year relapse rate

Trial Locations

Locations (1)

Investigative Site

🇵🇱

Tuszyn, Poland

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