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Safety and Efficacy of Switching to Quetiapine in Outpatients With Schizophrenia

Completed
Conditions
Schizophrenia
Registration Number
NCT00690365
Lead Sponsor
AstraZeneca
Brief Summary

This is a single-arm, phase IV, open-label, prospective, non interventional study in approximately 600 patients that will be followed for 6 months in order to evaluate the safety and efficacy of quetiapine. Patients will be switched over a 4 to 7 day cross-titration period from their previous antipsychotic medication to quetiapine according to the approved SPC.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
576
Inclusion Criteria
  • Diagnosis of schizophrenia at least 1 year prior to screening
  • Inadequate response or poor safety /tolerability or non-compliance to previous antipsychotic medication
  • Provision of Informed Consent prior to enrolment
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Exclusion Criteria
  • Known hypersensitivity to active substance of excipients
  • Patients receiving P450 3A4 inhibitors
  • Pregnancy or lactation
  • Substance abuse or dependence
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Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Safety of quetiapine assessed through analysis of AE/SAE data (rate of patients presenting SAEs, rate of patients who discontinue treatment due to any AE, time to treatment discontinuation due to any AEs)5 visits (Day 0, Week 1, Week 4, Week 12, Week 24); SAEs will be reported during all study period
Secondary Outcome Measures
NameTimeMethod
Changes in the Clinical Global Impression of Severity and Improvement (CGI-S, CGI-I) and in Brief psychiatric Rating Scale (BPRS) from baseline to end of study treatment5 visits (Day 0, Week 1, Week 4, Week 12, Week 24)
Percentage of extra-pyramidal side effects assessed using the Simpson-Angus Scale (SAS)Changes from baseline to end of study treatment or (6 months) or early withdrawal
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