For research teamsHelp me find a study
Back to all studies
CompletedNCT00014001

CATIE- Schizophrenia study

This study is completed. It focuses on schizophrenia and currently lists study information in the United States.

SchizophreniaDrugFrom 18 Years to 65 Years

The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.

Explore recruiting studies on this topic

Then choose your country and confirm availability with each study site.

In plain English

Key information made simple

What is this study testing?

This study is testing whether perphenazine may be useful for adults experiencing schizophrenia.

What would participation involve?

Participants may receive perphenazine, attend study visits with the research team. The registry lists locations in the United States.

Who is it mainly for?

This study appears to be mainly for adults with schizophrenia.

What should you check before joining?

Ask about the dose, safety monitoring, and possible side effects, whether there is a comparison group, how many visits or travel steps are needed, the exact eligibility criteria.

Your next step

Check the study details

Check the official source, then confirm these points with the research team.

View official study record (opens in a new tab)

  • Recruitment and eligibility

    Is a site open, and who can take part?

  • Visits and time

    Where are visits, can any be remote, and how much time is needed?

  • Costs and support

    What costs, reimbursement or compensation apply?

Before joining

Questions to ask before joining

Study clarity

Things to check before joining

Study start dateDecember 2000
Recruitment status
Completed
Enrollment listed in the registry
1,600
Sponsor
National Institute of Mental Health (NIMH)
Sponsor type
Government agency
Study type
Drug
Intervention type
Medication / drug
Study phase
Phase 4Usually happens after approval, to monitor real-world use, safety, and longer-term outcomes.
Locations
United States
Age range
From 18 Years to 65 Years
Official registry ID
NCT00014001
Official title
Comparative Effectiveness of Antipsychotic Medications in Patients With Schizophrenia (CATIE Schizophrenia Trial)

Ask HopeStage to help me review this study

This record does not confirm open recruitment. We can help you understand it and explore other studies.

Loading the security check...
Study ID: NCT00014001. We help you review the study, but cannot decide medical eligibility.

Check recruitment and locations

Recruitment checked against the registry by HopeStage on . Registry information can change. Always confirm availability with the research team.

View official study record (opens in a new tab)

The overall study status can differ from each site's status. Open a country to see its locations and their registry status.

United States · 54 sites
  • Synergy Clinical Research
    Chula Vista, California
    Site status: Not listed — confirm with the team
  • LA County-University of Southern California Medical Center
    Los Angeles, California
    Site status: Not listed — confirm with the team
  • University of California, Irvine
    Orange, California
    Site status: Not listed — confirm with the team
  • University of California,San Diego/VA Medical System
    San Diego, California
    Site status: Not listed — confirm with the team
  • Stanford University School of Medicine
    Stanford, California
    Site status: Not listed — confirm with the team
  • Harbor UCLA Research & Education Institute
    Torrance, California
    Site status: Not listed — confirm with the team
  • New Britain General Hospital
    New Britain, Connecticut
    Site status: Not listed — confirm with the team
  • Yale University/Connecticut Mental Health Center
    New Haven, Connecticut
    Site status: Not listed — confirm with the team
  • Mental Health Advocates Inc.
    Boca Raton, Florida
    Site status: Not listed — confirm with the team
  • VA Medical Center
    Miami, Florida
    Site status: Not listed — confirm with the team
  • University of Miami School of Medicine
    Miami, Florida
    Site status: Not listed — confirm with the team
  • Emory University School of Medicine
    Atlanta, Georgia
    Site status: Not listed — confirm with the team
  • The Queen's Medical Center
    Honolulu, Hawaii
    Site status: Not listed — confirm with the team
  • Northwestern Medical School Department of Psychiatry
    Chicago, Illinois
    Site status: Not listed — confirm with the team
  • Southern Illinois University School of Medicine
    Springfield, Illinois
    Site status: Not listed — confirm with the team
  • University of Iowa Hospital
    Iowa City, Iowa
    Site status: Not listed — confirm with the team
  • Psychiatric Research Institute, Outpatient Clinic
    Wichita, Kansas
    Site status: Not listed — confirm with the team
  • Louisiana State University Health Services Center
    Shreveport, Louisiana
    Site status: Not listed — confirm with the team
  • Clinical Insights, Inc.
    Glen Burnie, Maryland
    Site status: Not listed — confirm with the team
  • Massachusetts General Hospital-Freedom Trial Clinic Schizophrenia Program
    Boston, Massachusetts
    Site status: Not listed — confirm with the team
  • St. Elizabeth's Medical Center
    Boston, Massachusetts
    Site status: Not listed — confirm with the team
  • Corrigan Mental Health Center
    Fall River, Massachusetts
    Site status: Not listed — confirm with the team
  • University Of Massachusetts Memorial Health Care
    Worcester, Massachusetts
    Site status: Not listed — confirm with the team
  • University of Minnesota School of Medicine
    Minneapolis, Minnesota
    Site status: Not listed — confirm with the team
  • University of Mississippi VA Medical Center
    Jackson, Mississippi
    Site status: Not listed — confirm with the team
  • University of Missouri Kansas City Medical School
    Kansas City, Missouri
    Site status: Not listed — confirm with the team
  • Burrell Behavioral Health-Cox North Hospital
    Springfield, Missouri
    Site status: Not listed — confirm with the team
  • Washington University School of Medicine
    St Louis, Missouri
    Site status: Not listed — confirm with the team
  • Albuquerque VA Medical Center
    Albuquerque, New Mexico
    Site status: Not listed — confirm with the team
  • SUNY Downstate Medical Center
    Brooklyn, New York
    Site status: Not listed — confirm with the team
  • Mount Sinai Medical Center
    New York, New York
    Site status: Not listed — confirm with the team
  • University of Rochester Medical Center
    Rochester, New York
    Site status: Not listed — confirm with the team
  • Staten Island University Hospital
    Staten Island, New York
    Site status: Not listed — confirm with the team
  • Mount Sinai Medical Center-Bronx VA Medical Center
    The Bronx, New York
    Site status: Not listed — confirm with the team
  • Duke University Medical Center-John Umstead Hospital
    Butner, North Carolina
    Site status: Not listed — confirm with the team
  • University of North Carolina School of Medicine
    Chapel Hill, North Carolina
    Site status: Not listed — confirm with the team
  • Behavioral Health Center
    Charlotte, North Carolina
    Site status: Not listed — confirm with the team
  • Dorothea Dix Hospital
    Raleigh, North Carolina
    Site status: Not listed — confirm with the team
  • Appalachian Psychiatric Healthcare System
    Athens, Ohio
    Site status: Not listed — confirm with the team
  • North East Ohio Health Services
    Beachwood, Ohio
    Site status: Not listed — confirm with the team
  • Philadelphia VA Medical Center
    Philadelphia, Pennsylvania
    Site status: Not listed — confirm with the team
  • Eastern Pennsylvania Psychiatric Institute
    Philadelphia, Pennsylvania
    Site status: Not listed — confirm with the team
  • Belmont Center for Comprehensive Treatment
    Philadelphia, Pennsylvania
    Site status: Not listed — confirm with the team
  • Veterans Affairs Medical Center
    Charleston, South Carolina
    Site status: Not listed — confirm with the team
  • Vanderbilt University Schizophrenia Research
    Nashville, Tennessee
    Site status: Not listed — confirm with the team
  • Tri-County MHMR Services
    Conroe, Texas
    Site status: Not listed — confirm with the team
  • University of Texas Southwestern Medical Center
    Dallas, Texas
    Site status: Not listed — confirm with the team
  • Life Management Center for MH/MR Services
    El Paso, Texas
    Site status: Not listed — confirm with the team
  • Baylor College of Medicine
    Houston, Texas
    Site status: Not listed — confirm with the team
  • MHMRA of Harris County-Northwest Community Service Center
    Houston, Texas
    Site status: Not listed — confirm with the team
  • The Center for Health Care Services
    San Antonio, Texas
    Site status: Not listed — confirm with the team
  • Valley Mental Health Psychopharmacology Research Center
    Salt Lake City, Utah
    Site status: Not listed — confirm with the team
  • University of Utah Medical Center
    Salt Lake City, Utah
    Site status: Not listed — confirm with the team
  • VA Puget Sound Health Care System
    Tacoma, Washington
    Site status: Not listed — confirm with the team
In practice

For you

Participation may contribute to research. Personal benefit is not guaranteed.

Ask the research team to explain the activities, time commitment, and follow-up involved.

Study sites are listed. Confirm the relevant site and any travel before making plans.

Important

Not medical advice

Information from public sources. Are you the study sponsor? Contact us to update this page: hi@hopestage.com

FAQ

Questions about this study

What is this study trying to understand?

This study is exploring medication or study treatment for people with schizophrenia. Participants may complete study visits, assessments, or follow-up activities defined by the research team. Direct benefit is not guaranteed. The detailed objective is not always clearly listed in the public registry; the study team can confirm.

Does this study involve a medication?

This appears to be a medication / drug study involving perphenazine, olanzapine, quetiapine, risperidone, ziprasidone, clozapine, fluphenazine decanoate. Phase 4 studies usually happen after treatment approval, to monitor real-world use.

Who might this study be for?

This study may concern people with schizophrenia; age range: From 18 Years to 65 Years. The criteria appear fairly broad, but you should not assume you are eligible. The study team must confirm diagnosis, age, exclusions, available locations, and next steps.

What would I likely need to do?

You may need to take a study treatment and have regular medical follow-up. The listed study locations suggest that at least part of participation may involve a physical site. Ask whether some steps can be done remotely.

What side effects, interactions, or treatment changes should I check?

If the study involves a medication, ask whether it is already approved, experimental, or being tested for a new use. Check possible side effects, interactions with current treatment, dose changes, monitoring, and what happens if you feel worse. For any mental health study, also ask who to contact if you feel worse, whether participation may affect current treatment, whether you can stop, and who confirms eligibility.

Will I need to travel or attend in-person visits?

The listed study locations suggest that at least part of participation may involve a physical site. Ask which sites are open, how many visits are expected, whether any steps can be done remotely, and whether travel costs or compensation are listed.

Who is behind this study?

This study is sponsored by National Institute of Mental Health (NIMH), which appears to be a government agency. Sponsor website: https://www.nimh.nih.gov. If available, it can be useful to check the sponsor website, collaborators, investigator affiliation, and the official registry before deciding. HopeStage does not judge the quality of a sponsor or researcher, but helps you identify what to verify.

Can I still join this study?

The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.

Explore other studies

Want to find a study that may fit you better?

Answer a few simple questions to explore HopeStage studies by condition, country, and situation.

Find a study that may fit me
Related studies

Explore related studies

Other studies that may be relevant based on condition, country, or study type.