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A Study Comparing the Efficacy and Tolerability of Ziprasidone vs. Clozapine for the Treatment of Schizophrenia in Patients Who Continue to Have Symptoms on or Cannot Tolerate Other Antipsychotic Drugs

NCT00649844 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 147

Last updated 2021-02-21

No results posted yet for this study

Summary

The purpose of this study is to compare the efficacy and safety of ziprasidone and clozapine in schizophrenic patients who are resistant and/or intolerant to antipsychotic treatment

Conditions

Interventions

DRUG

Clozapine

Clozapine 25 or 100 mg tablets. Patients were initially titrated over the first 10 days to 300 mg/day and remained at this dose for 1 week. Thereafter, the dose could be varied between 250 and 600 mg/day based on response and tolerability for a total treatment duration of 18 weeks

DRUG

Ziprasidone

Ziprasidone 40, 60, or 80 mg capsules. Patients were initially titrated over the first 3 days to 80 mg/day, which could subsequently be increased to between 80 and 160 mg/day based on response and tolerability for a total treatment duration of 18 weeks

Sponsors & Collaborators

  • Pfizer's Upjohn has merged with Mylan to form Viatris Inc.

    lead INDUSTRY

Principal Investigators

  • Pfizer CT.gov Call Center · Pfizer

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2003-01-31
Completion
2004-09-30

Countries

  • Italy

Study Locations

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Entities

Drugs
Diseases

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 NCT00649844 on ClinicalTrials.gov