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Study Comparing Bifeprunox to Risperidone in Treatment of Outpatients With Schizophrenia With Weight as Primary Endpoint

This study has been terminated.
Sponsor:
Collaborator:
Solvay Pharmaceuticals
Information provided by:
Wyeth is now a wholly owned subsidiary of Pfizer
ClinicalTrials.gov Identifier:
NCT00366704
First received: August 17, 2006
Last updated: February 7, 2013
Last verified: April 2008
History of Changes
  Purpose

The purpose of this study is to determine the effect of bifeprunox or risperidone on the body weight of patients with schizophrenia.


Condition Intervention Phase
Schizophrenia
 Drug: bifeprunox
Drug: risperidone
 Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Multicenter, Randomized, Double-blind, Parallel-group Fixed-dose Study of the Effect on Weight of Bifeprunox Versus Risperidone in the Treatment of Outpatients With Schizophrenia.

Resource links provided by NLM:

MedlinePlus related topics: Schizophrenia
Drug Information available for: Risperidone
U.S. FDA Resources

Further study details as provided by Wyeth is now a wholly owned subsidiary of Pfizer:

Primary Outcome Measures:
  • The primary analysis will be the change from baseline on body weight at the final evaluation. [ Time Frame: 8 weeks ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • Secondary outcomes include: Change from baseline in triglyceride level, Change from baseline in waist circumference, and Change from baseline in total Positive and Negative Syndrome Scale (PANSS) score. [ Time Frame: 8 weeks ] [ Designated as safety issue: Yes ]

Estimated Enrollment: 400
Study Start Date: November 2006
Study Completion Date: March 2008
Primary Completion Date: March 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: A Drug: bifeprunox
.25mg titrate up to 20mg/day (week 1) then 30mg/day (weeks 2-8)
Active Comparator: B Drug: risperidone
4mg, QD, 8 week treatment

  Eligibility

Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion criteria:

  • Current treatment of at least 3 months with risperidone.
  • Primary diagnosis of schizophrenia.
  • Total Positive and Negative Symptoms Scale (PANSS) score < or = 70 at screening and baseline.

Exclusion criteria:

  • Psychiatric diagnosis other than schizophrenia as assessed by the modified Mini International Neuropsychiatric Interview (MINI) and considered by the investigator to be the primary psychiatric diagnosis.
  • History or presence of clinically significant cardiovascular, endocrine, hepatic, renal or other medical disease that might be detrimental to the subject or confound the study.
  • History of any suicide attempt within 3 years of day 1 or significant immediate risk of violence or suicidality.
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00366704

  Show 66 Study Locations
Sponsors and Collaborators
Wyeth is now a wholly owned subsidiary of Pfizer
Solvay Pharmaceuticals
Investigators
Study Director: Medical Monitor Wyeth is now a wholly owned subsidiary of Pfizer
  More Information

No publications provided

Responsible Party: Wyeth (Registry Contact: Clinical Trial Registry Specialist), Wyeth
ClinicalTrials.gov Identifier: NCT00366704     History of Changes
Other Study ID Numbers: 3168A1-313, B3101009
Study First Received: August 17, 2006
Last Updated: February 7, 2013
Health Authority: Colombia: INVIMA Instituto Nacional de Vigilancia de Medicamentos y Alimentos
Colombia: Institutional Review Board
Peru: General Directorate of Pharmaceuticals, Devices, and Drugs
United States: Food and Drug Administration

Keywords provided by Wyeth is now a wholly owned subsidiary of Pfizer:
Schizophrenia

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

ClinicalTrials.gov processed this record on May 16, 2013