Completed

A Combination of Two Currently Approved Drugs to Enhance the Treatment of Schizophrenia

0 criteria met from your profileSee at a glance how your profile meets each eligibility criteria.
What is being tested

Data Collection

Who is being recruted

Mental Disorders

+ Schizophrenia

+ Schizophrenia Spectrum and Other Psychotic Disorders

From 18 to 55 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 1 & 2
Interventional
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 of a medication for the treatment of Schizophrenia in patients who are already taking Abilify, Risperdal, Seroquel, Zyprexa

Official TitleA Combination of Two Currently Approved Drugs to Enhance the Treatment of Schizophrenia 
NCT00089869
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.

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 55 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: * Must have a clinical diagnosis of Schizophrenia * Must be at least 18 years of age and not older than 55 years of age * Must have been stable on a dose of Abilify, Risperdal, Seroquel, or Zyprexa for the past 8 weeks * Women of childbearing potential must be using a medically accepted means of contraception * Must be able to swallow capsules Exclusion Criteria: * Has serious health problems other than Schizophrenia * Takes an antidepressant for depression * Takes insulin for diabetes * Have a history of alcohol or drug dependence (except for nicotine and caffeine) within the past 6 months

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 20 locations

Suspended

"For additional information regarding investigative sites for this trial, contact the Clinical Trials Support Center at (1-877-285-4559) or speak with your personal physician."

Cerritos, United StatesSee the location
Suspended

"For additional information regarding investigative sites for this trial, contact the Clinical Trials Support Center at (1-877-285-4559) or speak with your personal physician.

Chula Vista, United States
Suspended

For additional information regarding investigative sites for this trial, contact the Clinical Trials Support Center at 1-877-CTLILLY(1-877-285-4559) or speak with your personal physician.

Garden Grove, United States
Suspended

"For additional information regarding investigative sites for this trial, contact the Clinical Trials Support Center at (1-877-285-4559) or speak with your personal physician."

San Diego, United States
Completed20 Study Centers