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High-Dose Oral Ziprasidone Versus Conventional Dosing in Participants With Residual Schizophrenia Symptoms

NCT00403546 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 131

Last updated 2017-06-06

Study results available
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Summary

The primary aims of this study are to assess tolerability of ziprasidone dose escalation to 320 milligrams per day (mg/d) compared to continued standard treatment (placebo) as measured by the Side Effect Checklist, Simpson Angus Scale for Extrapyramidal Symptoms (SAS), Barnes Akathisia Scale (BAS), serum prolactin concentrations, vital signs, electrocardiogram (EKG) and completion rates and to assess whether ziprasidone dose escalation improves overall psychopathology compared to continued standard treatment as measured by the change from baseline in the Positive and Negative Syndrome Scale (PANSS) total score and response rates as defined by a 20% or greater reduction in PANSS total score.

The secondary aims of this study are to assess whether ziprasidone dose escalation improves psychotic symptoms compared to continued standard treatment as measured by the Positive Symptom Subscale of the PANSS, to assess whether ziprasidone dose escalation improves negative symptoms compared to standard treatment as measured by the Negative Symptom Subscale of the PANSS, to assess whether ziprasidone dose escalation improves depressive symptoms compared to continued standard treatment as measured by the Calgary Depression Rating Scale (CDRS), and to assess whether ziprasidone dose escalation improves overall functioning with the Clinical Global Impression - Severity (CGI-S), Clinical Global Impression - Improvement (CGI-I), Global Assessment of Functioning (GAF) and the Schizophrenia Cognition Rating Scale (SCoRS).

Conditions

Interventions

DRUG

Ziprasidone 80-160 mg/d

Participants will be instructed to take one study capsule of ziprasidone orally twice daily (80 mg/d). After the first week, the study drug will be increased to two capsules twice daily (160 mg/d).

DRUG

Placebo

Participants will be instructed to take one study capsule of matching placebo orally twice daily. After the first week, the matching placebo will be increased to two capsules twice daily.

DRUG

Ziprasidone 160 mg/d

Participants will be taking open-label ziprasidone 80 mg orally twice daily for a total dose of 160 mg/d from at least 3 weeks before randomization to end of study 8 weeks after randomization.

Sponsors & Collaborators

  • Pfizer

    collaborator INDUSTRY

  • Donald C. Goff, MD

    lead OTHER

Principal Investigators

  • Donald Goff, M.D. · Massachusetts General Hospital

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2006-01-31
Primary Completion
2011-05-31
Completion
2011-05-31

Countries

  • United States

Study Locations

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Entities

Drugs
Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00403546 on ClinicalTrials.gov