Related Experiment Video
Updated: Aug 27, 2025
07:35
Methods for Studying the Mechanisms of Action of Antipsychotic Drugs in Caenorhabditis elegans
Published on: February 4, 2014
11.6K
Clozapine Reduces Recurrent Suicidal and Self-Injurious Behavior in Treatment-Refractory Incarcerated Individuals.
Theodore R Zarzar1, David L Rosen2, James P Mayo1
1Department of Psychiatry, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA.
Summary
Clozapine significantly reduced self-harm behaviors in incarcerated individuals with treatment-resistant mental illness. This antipsychotic medication lowered suicide risk assessments and time on suicide watch, improving patient safety.
Area of Science:
- Psychiatry
- Criminology
- Pharmacology
Background:
- Individuals in correctional facilities often experience treatment-resistant mental health conditions.
- Recurrent self-harm thoughts and behaviors pose significant challenges within incarcerated populations.
- Clozapine is an effective antipsychotic for treatment-refractory schizophrenia and related disorders.
Purpose of the Study:
- To evaluate the efficacy of clozapine in reducing self-harm behaviors among incarcerated individuals.
- To assess the impact of clozapine on suicide risk assessments and time spent on suicide watch.
- To determine clozapine's effect on emergency room visits and hospitalizations in this population.
Main Methods:
- Retrospective review of 23 treatment-refractory incarcerated individuals receiving clozapine.
- Comparison of suicide risk assessments and days on suicide watch for 3 months pre- and post-clozapine treatment.
- Analysis of emergency room visits and medical hospitalizations during clozapine treatment.
Main Results:
- A significant reduction in suicide assessments from 73 to 14 (p < 0.0001).
- A substantial decrease in days on suicide watch from 104 to 32 (p = 0.0012).
- Marked reductions in emergency room visits and hospitalizations observed during treatment.
Conclusions:
- Clozapine treatment is associated with significant reductions in self-injurious thoughts and behaviors in high-risk incarcerated individuals.
- Clozapine demonstrates effectiveness in managing treatment-refractory mental illness within correctional settings.
- The findings support clozapine's role in enhancing safety and reducing healthcare utilization for this vulnerable population.
Related Concept Videos
01:26Psychosis: Goals of Pharmacotherapy
191
Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation.
191
01:29Psychological and Sociocultural Causes of Schizophrenia
173
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
173
01:28Psychosis and Antipsychotic Drugs: Overview
430
The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic...
430
01:28Drug Therapy
90
The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
Antianxiety Medications
Antianxiety Medications
90
01:23Antidepressant Drugs: MAOIs and Other Agents
314
Atypical antidepressants, including bupropion (Wellbutrin), mirtazapine (Remeron), nefazodone (Serzone), trazodone (Desyrel), and vilazodone (Viibryd), offer unique mechanisms of action. Bupropion weakly inhibits dopamine and norepinephrine reuptake, aiding depression treatment and smoking cessation, with a low risk of sexual dysfunction. Mirtazapine enhances serotonin and norepinephrine neurotransmission, leading to sedation, increased appetite, and weight gain. As a result, it helps treat...
314
01:24Mania and Antimanic Drugs: Overview
307
Mania, a psychological condition characterized by elevated mood, increased energy, and reduced sleep need, is part of the bipolar disorder cycle. The exact cause of mania isn't entirely known, but it is thought to be a combination of genetic, environmental, and neurological factors. Bipolar disorder involves alternating manic and depressive episodes. Mood stabilizers like lithium, antipsychotics, and anticonvulsants help manage these episodes. Lithium carbonate is particularly effective as...
307