Effectiveness of Atypical Versus Conventional Antipsychotics in Treating Schizophrenia

This study has been completed.
Yale University
Information provided by:
National Institute of Mental Health (NIMH)
ClinicalTrials.gov Identifier:
First received: October 7, 2005
Last updated: February 22, 2006
Last verified: October 2005

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 National Institute of Mental Health (NIMH):

Primary Outcome Measures:
  • Retention.

Secondary Outcome Measures:
  • EPS, TD.

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:

  • none
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00237861

Sponsors and Collaborators
Yale University
Principal Investigator: Scott W Woods, MD Yale University
  More Information

No publications provided

ClinicalTrials.gov Identifier: NCT00237861     History of Changes
Other Study ID Numbers: MH57292
Study First Received: October 7, 2005
Last Updated: February 22, 2006
Health Authority: United States: Federal Government

Additional relevant MeSH terms:
Schizophrenia and Disorders with Psychotic Features
Mental Disorders
Antipsychotic Agents
Tranquilizing Agents
Central Nervous System Depressants
Physiological Effects of Drugs
Pharmacologic Actions
Central Nervous System Agents
Therapeutic Uses
Psychotropic Drugs
Serotonin Antagonists
Serotonin Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Dopamine Antagonists
Dopamine Agents
Serotonin Uptake Inhibitors
Neurotransmitter Uptake Inhibitors
Autonomic Agents
Peripheral Nervous System Agents
Gastrointestinal Agents

ClinicalTrials.gov processed this record on April 15, 2014