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This was a double-blind randomized study with three treatment arms: clozapine, olanzapine and haloperidol. We compared these three medications in the treatment of aggressive behavior over a 12 week period.
Objective: The purpose of our study was the investigation of the effect of atypical antipsychotic agents on interpersonal violence and aggression.
We compared the efficacy of two atypical antipsychotic agents, clozapine and olanzapine with one another and with haloperidol in the treatment of physical assaults and other assaultive behaviors in physically assaultive patients with schizophrenia and schizoaffective disorder.
Method: The subjects were 110 physically assaultive inpatients diagnosed with schizophrenia or schizoaffective disorder.
They were randomly assigned to treatment with clozapine (N=37), olanzapine (N=37) or haloperidol (N=36) in a 12-week, double-blind trial. Incidents of overt aggression were recorded and their severity was scored with the Modified Overt Aggression Scale (MOAS). Psychiatric symptoms were assessed through the Positive and Negative Syndrome Scale (PANSS). We also assessed various side effects and monitored vital signs and drew bloods.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Clozapine, Olanzapine, Haloperidol
Nathan Kline Institute
Nathan Kline Institute for Psychiatric Research
Published on BioPortfolio: 2014-08-27T03:13:41-0400
The principal clinical question to be answered by CHAT (Clozapine Haloperidol Aripiprazole Trial) is the relative efficacy and tolerability of combination treatment with clozapine plus ari...
The study involves a six-month, double-blind protocol during which eighty patients, across three sites around the country, will be randomly assigned to receive clozapine or olanzapine. The...
Clozapine treatment resistant schizophrenia is still prevalent.The effectiveness of augmenting clozapine : one augmenting with haloperidol and the other with electroconvulsive therapy shou...
This study will compare clozapine and olanzapine (Zyprexa®) for the treatment of children and adolescents who have failed standard antipsychotic treatment for schizophrenia.
The purpose of this study is to compare intramuscular Olanzapine and intramuscular Haloperidol in changing of agitation in patients with schizophrenia
Although the etiopathogenic mechanisms of schizophrenia (SCZ) are unknown, evidences suggest that excessive free radical production or oxidative stress may be involved in the pathophysiology of SCZ. A...
Early antipsychotic response predicts outcomes for psychotic patients, but recent evidence suggests that this may not be true for patients treated with olanzapine. In this study, we assessed the predi...
This therapeutic drug monitoring (TDM) study aimed to determine the role of olanzapine (OLZ) and N-desmethyl-OLZ (DMO) levels in the therapeutic efficacy of OLZ in patients with schizophrenia.
Although clozapine is the gold-standard for treatment refractory schizophrenia, it has the worst metabolic profile of all antipsychotics. This is partly mediated by clozapine's impact on glucagon-like...
A substantial proportion (40-70%) of patients with treatment-resistant schizophrenia experience persistent symptoms despite an adequate clozapine trial. Brain stimulation techniques (BST) such as elec...
A spiro butyrophenone analog similar to HALOPERIDOL and other related compounds. It has been recommended in the treatment of SCHIZOPHRENIA.
A butyrophenone with general properties similar to those of HALOPERIDOL. It is used in the treatment of PSYCHOSES including MANIA and SCHIZOPHRENIA. (From Martindale, The Extra Pharmacopoeia, 30th ed, p621)
A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in MENTAL RETARDATION and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279)
An indole derivative effective in schizophrenia and other psychoses and possibly useful in the treatment of the aggressive type of undersocialized conduct disorder. Molindone has much lower affinity for D2 receptors than most antipsychotic agents and has a relatively low affinity for D1 receptors. It has only low to moderate affinity for cholinergic and alpha-adrenergic receptors. Some electrophysiologic data from animals indicate that molindone has certain characteristics that resemble those of CLOZAPINE. (From AMA Drug Evaluations Annual, 1994, p283)
A tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent.
Psychiatry is the study of mental disorders and their diagnosis, management and prevention. Conditions include schizophrenia, severe depression and panic disorders among others. There are pharmaceutical treatments as well as other therapies to help...
Schizophrenia is a common serious long-term mental health condition that affects 5 in 1000 in the UK. It causes a range of different psychological symptoms; hallucinations, delusions, muddled thoughts based on the hallucinations or delusions and ch...