A Study of the Efficacy and Safety of Ziprasidone for the Treatment of Acute Exacerbation of Schizophrenia or Schizoaffective Disorder

Ziprasidone Intramuscular/Oral In The Treatment Of Acute Exacerbation Of Schizophrenia Or Schizoaffective Disorder: A Six-Week Open Administration Study

This study was conducted to examine the efficacy and tolerability of ziprasidone intramuscular (IM), and to assess the effect of switching from IM to oral ziprasidone for the treatment of acute exacerbation of schizophrenia and schizoaffective disorder in a Latin American population.

Study Overview

Status

Completed

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

28

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • DF, Mexico, 14420
        • Pfizer Investigational Site
      • Mexico City, Mexico, 14050
        • Pfizer Investigational Site
      • Mexico D F, Mexico, 14269
        • Pfizer Investigational Site
    • Nuevo LEON
      • Monterrey, Nuevo LEON, Mexico, 64800
        • Pfizer Investigational Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Diagnosis of schizophrenia or schizoaffective disorder.
  • Inpatients with acute exacerbation of psychotic symptoms.
  • Patients with a minimum score of 40 on the BPRS scale (1-7).

Exclusion Criteria:

  • Concurrent treatment with antipsychotic agents at study drug initiation (within 12 hours prior to study drug initiation); for depot agents a period of two weeks or one cycle, whichever is the longer, must occur between last administration and study drug initiation.
  • Treatment with antidepressants or mood stabilizers within 7 days of start of ziprasidone.
  • Patients currently receiving clozapine.
  • Patients at immediate risk of committing harm to self or others.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Arm A
IM ziprasidone at an initial dose of 10 or 20 mg for the first 3 days; additional doses could be administered according to clinical need, with the maximum total daily IM dose of 40 mg. On Day 4, IM treatment was switched to oral (PO) treatment at an initial dose of 40 mg twice daily for the first 2 days; doses could be subsequently adjusted within the range of 40 to 80 mg twice daily. Total treatment duration was 6 weeks.
Other Names:
  • Geodon, Zeldox

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change from baseline to endpoint in Brief Psychiatric Rating Scale (BPRS) total score
Time Frame: Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)

Secondary Outcome Measures

Outcome Measure
Time Frame
Change from baseline to endpoint in Clinical Global Impressions-Severity (CGI-S) scale score
Time Frame: Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Change from baseline to endpoint in Clinical Global Impressions-Improvement (CGI-I) scale score
Time Frame: Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Simpson-Angus Scale (SAS)
Time Frame: Days 1 and 2 (IM), Day 4 (Switch), and Weeks 2 and 6 (PO)
Days 1 and 2 (IM), Day 4 (Switch), and Weeks 2 and 6 (PO)
Barnes Akathisia Scale (BAS)
Time Frame: Days 1 and 2 (IM), Day 4 (Switch), and Weeks 2 and 6 (PO)
Days 1 and 2 (IM), Day 4 (Switch), and Weeks 2 and 6 (PO)
Laboratory tests
Time Frame: Screening and Week 6
Screening and Week 6
Electrocardiogram
Time Frame: Screening and Week 6
Screening and Week 6
Adverse events
Time Frame: Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Abnormal Involuntary Movement Scale (AIMS)
Time Frame: Day 1 (IM), Day 4 (Switch), and Week 6 (PO)
Day 1 (IM), Day 4 (Switch), and Week 6 (PO)
Change from baseline to endpoint in Positive and Negative Syndrome Scale (PANSS) total score
Time Frame: Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Change from baseline to endpoint in Covi Anxiety Scale score
Time Frame: Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Change from baseline to endpoint in Positive PANSS subscale score
Time Frame: Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Change from baseline to endpoint in Negative PANSS subscale score
Time Frame: Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)
Screening, Days 1-3 (IM), Day 4 (Switch), Days 5-7 and Weeks 2, 4, and 6 (PO)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

October 1, 2003

Study Completion (Actual)

May 1, 2005

Study Registration Dates

First Submitted

March 28, 2008

First Submitted That Met QC Criteria

March 28, 2008

First Posted (Estimate)

April 1, 2008

Study Record Updates

Last Update Posted (Actual)

February 21, 2021

Last Update Submitted That Met QC Criteria

February 18, 2021

Last Verified

February 1, 2021

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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