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A Study of the Efficacy and Safety of Intramuscular Ziprasidone Followed by Oral Ziprasidone for the Treatment of Psychosis

This study has been completed.
Information provided by:
Pfizer Identifier:
First received: March 20, 2008
Last updated: April 7, 2008
Last verified: April 2008
To assess the efficacy, safety, and tolerability of intramuscular ziprasidone in the treatment of the acute exacerbation of non-organic psychosis of any etiology, including schizophrenia, acute mania, delusional disorder and others.

Condition Intervention Phase
Schizophrenia Mania Delusional Disorder Acute Exacerbation of Psychosis Drug: Ziprasidone Phase 4

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: An Open, Multicenter, Non-Comparative Study To Assess The Efficacy And Tolerability Of Intramuscular Ziprasidone Followed By Oral Ziprasidone In Patients With Acute Psychosis

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Change from baseline in Positive and Negative Syndrome Scale (PANSS) excitation items scores [ Time Frame: Days 1-3 (end of intramuscular dosing) ]

Secondary Outcome Measures:
  • Electrocardiogram at Visits 1 and 5 [ Time Frame: Visits 1 (Screening) and 5 (Day 7) ]
  • Adverse events at Visits 2, 3, 4, and 5 [ Time Frame: Visits 2 (Day 1), 3 (Day 1, 2, 3, or 4), 4 (Day 5), and 5 (Day 7) ]
  • Change from baseline in Patient Preference Scale (PPS) scores at Visits 3 and 5 [ Time Frame: Visits 2 (Day 1), 3 (Day 1, 2, 3, or 4) and 5 (Day 7) ]
  • Laboratory tests at Visits 1 and 5 [ Time Frame: Visits 1 (Screening) and 5 (Day 7) ]
  • Movement disorder rating scale scores (Barnes Akathisia Scale and Extrapyramidal Symptoms Rating Scale) at Visits 2, 3, 4, and 5 [ Time Frame: Visits 2 (Day 1), 3 (Day 1, 2, 3, or 4), 4 (Day 5), and 5 (Day 7) ]
  • Change from baseline in PANSS excitation items scores at Visits 3, 4, and 5 [ Time Frame: Visits 1 (Screening), 2 (Day 1), 3 (Day 1, 2, 3, or 4), 4 (Day 5), and 5 (Day 7) ]
  • Blood pressure and pulse at Visits 1, 2, and 5 [ Time Frame: Visits 1 (Screening), 2 (Day 1), and 5 (Day 7) ]
  • Change from baseline in Clinical Global Impression-Severity (CGI-S) scores at Visits 3, 4, and 5 [ Time Frame: Visits 1 (Screening), 2 (Day 1), 3 (Day 1, 2, 3, or 4), 4 (Day 5), and 5 (Day 7) ]

Enrollment: 89
Study Start Date: July 2003
Study Completion Date: May 2004
Arms Assigned Interventions
Experimental: Arm A Drug: Ziprasidone
Intramuscular ziprasidone 10 or 20 mg at the investigator's discretion for 1 to 3 days followed by oral ziprasidone capsules 40 to 80 mg twice daily at the investigator's discretion to complete 7 days of treatment
Other Name: Geodon, Zeldox


Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Hospitalized patients with psychosis
  • Eligible for intramuscular treatment
  • Miminum score of 60 on the PANSS, a score of 14 in the sum of PANSS excitation score and a score of at least 4 in 1 of the following items: poor control of impulses, tension, hostility, uncooperativeness or excitation.

Exclusion Criteria:

  • Treatment with antidepressants or mood stabilizers within seven days prior to the enrollment; for monoamine oxidase inhibitors (MAOIs) and moclobemide, this period must be two weeks; for fluoxetine, five weeks
  • Resistance to conventional antipsychotic agents
  • A history of epilepsy
  • A diagnosis of abuse of substance within the previous 3 months according to the DSMIV criteria.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00644800

Pfizer Investigational Site
Salvador, Bahia, Brazil, 41180-000
Pfizer Investigational Site
Fortaleza, Ceara, Brazil, 60175-270
Pfizer Investigational Site
Belo Horizonte, MG, Brazil, 30150-270
Pfizer Investigational Site
Curitiba, PR, Brazil
Pfizer Investigational Site
Rio de Janeiro, RJ, Brazil
Pfizer Investigational Site
Sao Goncalo, RJ, Brazil
Pfizer Investigational Site
Jardim Santa Monica Sn, Salvador - Ba, Brazil, 40340-720
Pfizer Investigational Site
Sao Paulo, SP, Brazil
Sponsors and Collaborators
Study Director: Pfizer Call Center Pfizer
  More Information

Additional Information:
Responsible Party: Director, Clinical Trial Disclosure Group, Pfizer, Inc. Identifier: NCT00644800     History of Changes
Other Study ID Numbers: A1281074
Study First Received: March 20, 2008
Last Updated: April 7, 2008

Additional relevant MeSH terms:
Psychotic Disorders
Mental Disorders
Schizophrenia, Paranoid
Schizophrenia Spectrum and Other Psychotic Disorders
Serotonin Antagonists
Serotonin Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs
Antipsychotic Agents
Tranquilizing Agents
Central Nervous System Depressants
Psychotropic Drugs
Dopamine Antagonists
Dopamine Agents processed this record on August 21, 2017