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Atypical Antipsychotic

Clozapine for Schizophrenia (REVISIT-C Trial)

Phase 4
Recruiting
Led By Ragy Girgis, MD
Research Sponsored by New York State Psychiatric Institute
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
appropriate for treatment with either clozapine or TAU, i.e., that there is clinical equipoise between the two treatment options. Individuals who are currently medication free or on any antipsychotic, with the exception of clozapine or long-acting injectable medication with a dosing interval of more than 30 days will be eligible
Be older than 18 years old
Timeline
Screening 3 days
Treatment Varies
Follow Up 14 days
Awards & highlights

REVISIT-C Trial Summary

This trial will study whether clozapine, a medication used to treat schizophrenia, is effective in reducing the risk of violent acts in people with schizophrenia who have a recent history of violence.

Who is the study for?
This trial is for adults with schizophrenia or schizoaffective disorder who have been violent recently. They must be medically stable, able to consent, and not on certain long-term medications. Pregnant women, those intolerant to clozapine, with serious medical conditions or high suicide risk are excluded.Check my eligibility
What is being tested?
The study compares the effectiveness of clozapine versus usual antipsychotic treatments in reducing violence among individuals with schizophrenia over a 24-week period across seven sites. Participants will be randomly assigned to one of the two treatment groups.See study design
What are the potential side effects?
Clozapine can cause side effects like drowsiness, increased saliva production, constipation, and more severe issues such as low white blood cell count (which can increase infection risk), heart inflammation or bowel obstruction in those allergic.

REVISIT-C Trial Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I am eligible for treatment with clozapine or standard therapy and not currently on long-term injectables.

REVISIT-C Trial Timeline

Screening ~ 3 days
Treatment ~ Varies
Follow Up ~14 days
This trial's timeline: 3 days for screening, Varies for treatment, and 14 days for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Effectiveness outcome: Violent acts
Syndrome
Secondary outcome measures
Effect on aggression
Alcohol or Other Drugs use
Other outcome measures
Interventions to Prevent Violence

Side effects data

From 2008 Phase 4 trial • 25 Patients • NCT00001656
31%
Increased appetite
31%
Hypersalivation
17%
tachycardia >100 beats/min (supine)
15%
Somnolence
15%
Constipation
9%
Hypertension
8%
Difficulty concentrating
8%
Enuresis
8%
Insomnia
8%
Abnormal white blood count
100%
80%
60%
40%
20%
0%
Study treatment Arm
Olanzapine Group
Clozapine Group

REVISIT-C Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: ClozapineExperimental Treatment1 Intervention
treatment with clozapine naturalistically administered (as per clinical guideline).
Group II: Treatment as usualActive Control1 Intervention
open label naturalistic treatment as usual with any antipsychotic other than clozapine
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Clozapine
FDA approved

Find a Location

Who is running the clinical trial?

New York State Psychiatric InstituteLead Sponsor
475 Previous Clinical Trials
153,627 Total Patients Enrolled
30 Trials studying Schizophrenia
85,255 Patients Enrolled for Schizophrenia
National Institute of Mental Health (NIMH)NIH
2,783 Previous Clinical Trials
2,688,869 Total Patients Enrolled
248 Trials studying Schizophrenia
89,144 Patients Enrolled for Schizophrenia
Ragy Girgis, MDPrincipal InvestigatorNew York State Psychiatric Institute

Media Library

Clozapine (Atypical Antipsychotic) Clinical Trial Eligibility Overview. Trial Name: NCT05208190 — Phase 4
Schizophrenia Research Study Groups: Clozapine, Treatment as usual
Schizophrenia Clinical Trial 2023: Clozapine Highlights & Side Effects. Trial Name: NCT05208190 — Phase 4
Clozapine (Atypical Antipsychotic) 2023 Treatment Timeline for Medical Study. Trial Name: NCT05208190 — Phase 4

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

How many hospitals are participating in this clinical trial?

"This trial is currently being conducted at 7 locations, these include the University of North carolina at Chapel Hill in Chapel Hill, New york State Psychiatric Institute in Baltimore and University of Maryland School of Medicine in Los Angeles."

Answered by AI

Are there any constraints on who is allowed to enroll in this research project?

"The ideal candidate for this clinical trial should have a diagnosis of schizophrenia and be between 18-65 years old. So far, the team has recruited around 280 people."

Answered by AI

Are the individuals in this study considered to be of legal age?

"This study's age requirements are that participants must have turned 18 years old but cannot be older than 65."

Answered by AI

Could you please elaborate on the risks associated with Clozapine?

"Clozapine has been approved, meaning it is a safe and effective treatment option, so it received a score of 3."

Answered by AI

Can new patients still sign up for this clinical trial?

"The information available on clinicaltrials.gov supports that this trial is looking for more participants. The study was first posted online on March 17th, 2022 and was most recently updated on March 25th, 2022. In total, the investigators are hoping to enroll 280 patients from 7 sites."

Answered by AI

How many patients are being enrolled in this trial?

"That is correct, the clinicaltrials.gov website has updated information that this trial is still looking for volunteers. The study was posted on 3/17/2022 and was most recently updated on 3/25/2022. They are hoping to have 280 people participate from 7 different locations."

Answered by AI

Who else is applying?

What state do they live in?
New Jersey
What site did they apply to?
University of California, Los Angeles
University of Maryland School of Medicine
What portion of applicants met pre-screening criteria?
Met criteria
Did not meet criteria
How many prior treatments have patients received?
0
2

Why did patients apply to this trial?

I’m hoping this trial will help me, mentally and financially!
PatientReceived 2+ prior treatments
~159 spots leftby Jan 2027