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A Study Comparing the Safety and Efficacy of Ziprasidone and Risperidone for the Treatment of Chronic Schizophrenia

Last updated on December 4, 2019

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Study Location
Pfizer Investigational Site
Bilbao, Vizcaya, 48010 Spain
Contact
1-800-718-1021
Eligibility criteria
Condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Schizophrenia
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
18-70 years
Inclusion criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Diagnosis of schizophrenia

- CGI-S score of 4 or less at baseline

Exclusion criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details

- Concurrent antipsychotic treatment

- Treatment with antidepressants or mood stabilizers within 2 weeks of randomization

- Acute exacerbation of schizophrenia within 3 months of baseline

NCT00645515
Pfizer
Terminated
A Study Comparing the Safety and Efficacy of Ziprasidone and Risperidone for the Treatment of Chronic Schizophrenia

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Descriptive Information
Brief Title  ICMJE A Study Comparing the Safety and Efficacy of Ziprasidone and Risperidone for the Treatment of Chronic Schizophrenia
Official Title  ICMJE Ziprasidone Versus Risperidone In The Treatment Of Chronic Schizophrenia: A Six Months, Double Blind Randomized, Parallel Group Study
Brief SummaryThe purpose of this study is to compare the safety of ziprasidone and risperidone for the treatment of chronic schizophrenia. The primary purpose is to differentiate the effects of ziprasidone and risperidone on extrapyramidal side effects and the secondary purpose is to compare their tolerability and efficacy.
Detailed DescriptionNot Provided
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 3
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Condition  ICMJE Schizophrenia
Intervention  ICMJE
  • Drug: Ziprasidone
    Initial dose of 40 mg capsules twice daily on Days 1-3; dose could be flexibly changed within the range of 40 to 80 mg twice daily for the remainder of the study; treatment duration was 24 weeks.
    Other Name: Geodon, Zeldox
  • Drug: Risperidone
    Initial dose of 10 mg once daily on Days 1-3; dose could be flexibly changed within the range of 3 to 9 mg twice daily for the remainder of the study; treatment duration was 24 weeks.
Study Arms  ICMJE
  • Experimental: Arm A
    Intervention: Drug: Ziprasidone
  • Active Comparator: Arm B
    Intervention: Drug: Risperidone
Publications *Not Provided


*   Includes publications given by the data provider as well as publications
identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Terminated
Estimated Enrollment  ICMJE
 (submitted: March 20, 2008)
240
Original Estimated Enrollment  ICMJE Same as current
Actual Study Completion Date  ICMJE December 2003
Primary Completion DateNot Provided
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Diagnosis of schizophrenia
  • CGI-S score of 4 or less at baseline

Exclusion Criteria:

  • Concurrent antipsychotic treatment
  • Treatment with antidepressants or mood stabilizers within 2 weeks of randomization
  • Acute exacerbation of schizophrenia within 3 months of baseline
Sex/Gender  ICMJE
Sexes Eligible for Study:All
Ages  ICMJE 18 Years to 70 Years   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE Spain
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT00645515
Other Study ID Numbers  ICMJE A1281065
Has Data Monitoring CommitteeNo
U.S. FDA-regulated ProductNot Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible PartyDirector, Clinical Trial Disclosure Group, Pfizer, Inc.
Study Sponsor  ICMJE Pfizer
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Study Director:Pfizer CT.gov Call CenterPfizer
PRS AccountPfizer
Verification DateApril 2008

ICMJE     Data element required by the

International Committee of Medical Journal Editors
and the
World Health Organization ICTRP

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