Effectiveness of Atypical Versus Conventional Antipsychotics in Treating Schizophrenia

This study has been completed.
National Institute of Mental Health (NIMH)
Information provided by (Responsible Party):
Yale University
ClinicalTrials.gov Identifier:
First received: October 7, 2005
Last updated: June 5, 2014
Last verified: June 2014
This study will compare the effectiveness of newer atypical antipsychotics versus older conventional antipsychotics in treating schizophrenia.

Condition Intervention Phase
Drug: risperidone
Drug: olanzapine
Drug: quetiapine
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Single Blind
Primary Purpose: Treatment
Official Title: Effectiveness of Atypical Vs Conventional Antipsychotics

Resource links provided by NLM:

Further study details as provided by Yale University:

Primary Outcome Measures:
  • Retention.

Secondary Outcome Measures:
  • EPS, TD.

Primary Completion Date: December 2002 (Final data collection date for primary outcome measure)
Detailed Description:
At seven participating hospitals, acutely exacerbated patients with schizophrenia were randomly assigned to treatment with antipsychotic from the atypical class vs antipsychotic from the conventional class. Medication choice within class, dose, concomitant medications, and other prescribing decisions were left to the community prescriber. Patients were followed for one year after discharge.

Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • hospitalized for schizophrenia

Exclusion Criteria:

  Contacts and Locations
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Please refer to this study by its ClinicalTrials.gov identifier: NCT00237861

Sponsors and Collaborators
Yale University
National Institute of Mental Health (NIMH)
Principal Investigator: Scott W Woods, MD Yale University
  More Information

Responsible Party: Yale University
ClinicalTrials.gov Identifier: NCT00237861     History of Changes
Other Study ID Numbers: MH57292  R01MH057292 
Study First Received: October 7, 2005
Last Updated: June 5, 2014
Health Authority: United States: Federal Government

Additional relevant MeSH terms:
Mental Disorders
Schizophrenia and Disorders with Psychotic Features
Antipsychotic Agents
Central Nervous System Agents
Central Nervous System Depressants
Pharmacologic Actions
Physiological Effects of Drugs
Psychotropic Drugs
Therapeutic Uses
Tranquilizing Agents

ClinicalTrials.gov processed this record on May 02, 2016