Actively Recruiting

Phase 4
Age: 18Years - 65Years
All Genders
NCT05208190

Clozapine for the Prevention of Violence in Schizophrenia: a Randomized Clinical Trial

Led by New York State Psychiatric Institute · Updated on 2026-05-04

280

Participants Needed

7

Research Sites

354 weeks

Total Duration

On this page

Sponsors

N

New York State Psychiatric Institute

Lead Sponsor

N

National Institute of Mental Health (NIMH)

Collaborating Sponsor

AI-Summary

What this Trial Is About

Two-hundred and eighty individuals with schizophrenia who have a recent history of violent acts will be randomized in this 2-arm, parallel-group, 24-week, open-label, 7-site clinical trial to examine the effects of treatment with clozapine vs antipsychotic treatment as usual (TAU) for reducing the risk of violent acts in real-world settings

CONDITIONS

Official Title

Clozapine for the Prevention of Violence in Schizophrenia: a Randomized Clinical Trial

Who Can Participate

Age: 18Years - 65Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Diagnosis of schizophrenia or schizoaffective disorder confirmed by Structured Clinical Interview for DSM-5
  • Committed a minor or serious violent act in the last six months
  • Willing and able to provide informed consent
  • Medically stable as judged by the treating physician
  • Suitable for treatment with clozapine or treatment as usual, including those currently medication-free or on antipsychotics other than clozapine or long-acting injectables with dosing intervals over 30 days
Not Eligible

You will not qualify if you...

  • Unstable or serious medical or neurological conditions, including bone marrow disorders
  • History of intolerance or allergy to clozapine (e.g., agranulocytosis, bowel obstruction, myocarditis)
  • History of intellectual impairment
  • Pregnant or breastfeeding women, or women able to become pregnant not using effective birth control
  • Recent high suicidal ideation or behavior, or judged too high risk for suicide for safe trial participation
  • Documented intolerance or lack of benefit from a full trial of clozapine

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 7 locations

1

University of California, Los Angeles

Los Angeles, California, United States, 90024

Actively Recruiting

2

Augusta University Research Institute, Inc.

Augusta, Georgia, United States, 30912

Actively Recruiting

3

University of Maryland School of Medicine

Baltimore, Maryland, United States, 21201

Actively Recruiting

4

NYU Langone Medical Center

New York, New York, United States, 10016

Actively Recruiting

5

New York State Psychiatric Institute

New York, New York, United States, 10032

Actively Recruiting

6

Manhattan Psychiatric Center

New York, New York, United States, 10035

Actively Recruiting

7

University of North Carolina at Chapel Hill

Chapel Hill, North Carolina, United States, 27599

Actively Recruiting

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Research Team

R

Ragy Girgis

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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