Completed

A Double-Blind, Randomized Study Comparing Intramuscular Olanzapine Depot With Placebo in the Treatment of Patients With Schizophrenia

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What is being tested

Data Collection

Who is being recruted

Mental Disorders

+ Schizophrenia

+ Schizophrenia Spectrum and Other Psychotic Disorders

From 18 to 75 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 3
Interventional
Study Start: June 2004
See protocol details

Summary

Principal SponsorEli Lilly and Company
Last updated: December 11, 2025
Sourced from a government-validated database.Claim as a partner

Study start date: June 1, 2004

Actual date on which the first participant was enrolled.

Key objectives of this clinical study are to: * Determine how well intramuscular (IM) olanzapine depot works compared to placebo * Evaluate the safety and tolerability of IM olanzapine depot compared to placebo * Evaluate different doses of IM olanzapine depot compared to placebo to identify the best dose(s).

Official TitleA Double-Blind, Randomized Study Comparing Intramuscular Olanzapine Depot With Placebo in the Treatment of Patients With Schizophrenia 
NCT00088478
Principal SponsorEli Lilly and Company
Last updated: December 11, 2025
Sourced from a government-validated database.Claim as a partner

Protocol

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

402 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Treatment Study

These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.


Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

From 18 to 75 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Mental DisordersSchizophreniaSchizophrenia Spectrum and Other Psychotic Disorders

Criteria

Inclusion Criteria: * Patients must have schizophrenia and be experiencing a psychotic episode * Each patient must have a level of understanding sufficient to complete all tests and examinations required by the protocol, and to provide informed consent * Patient must not have participated in a clinical trial of another investigational drug, including olanzapine, within 1 month (30 days) prior to the study entry * Female patients must not be pregnant or breast-feeding * Female patients must not be experiencing acute, serious or unstable medical conditions other than schizophrenia Exclusion Criteria: * Patients who were previously treated with olanzapine and are considered to be treatment-resistant to olanzapine, in the opinion of the investigator * One or more seizures without a clear and resolved etiology is exclusionary. However, if the patient has had one or more seizures in the past with an identifiable etiology, and that etiology has been resolved, the patient may be entered. * Treatment with clozapine within 4 weeks prior to visit 1 * DSM-IV or DSM-IV-TR substance (except nicotine and caffeine) dependence within the past 30 days * Treatment with remoxipride within 6 months (180 days) prior to visit 1

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Study Objectives

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 37 locations

Suspended

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon-Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hrs, EST), or speak with your personal physician.

National City, United StatesSee the location
Suspended

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon-Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hrs, EST), or speak with your personal physician.

Orange, United States
Suspended

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon-Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hrs, EST), or speak with your personal physician.

Rosemead, United States
Suspended

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon-Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hrs, EST), or speak with your personal physician.

San Diego, United States
Completed37 Study Centers