Related Experiment Video
Updated: Jun 3, 2026

08:28
Non-invasive Strategies for Chronic Manipulation of DREADD-controlled Neuronal Activity
Published on: August 25, 2019
Treatment strategies for dosing the second generation antipsychotics
Thomas L Schwartz1, Stephen M Stahl
1Department of Psychiatry State, University of New York Upstate Medical University, NY, USA. schwartt@upstate.edu
CNS Neuroscience & Therapeutics
|March 16, 2011
Summary
Second-generation antipsychotics effectively treat various mental health conditions. Optimizing treatment involves understanding each drug
Area of Science:
- Psychiatry
- Pharmacology
Background:
- Second-generation antipsychotics are approved for schizophrenia, bipolar disorder, and major depressive disorder, with off-label uses for other mental health conditions.
- Each agent possesses a distinct pharmacodynamic profile, necessitating tailored dosing strategies for diverse patient needs.
Purpose of the Study:
- To review empirical dosing strategies for second-generation antipsychotics.
- To provide theoretical insights into areas lacking definitive clinical data.
Main Methods:
- Conducted a comprehensive literature review of second-generation antipsychotics using MEDLINE and recent textbooks.
- Cross-referenced findings with searches for major mental disorders.
Main Results:
- Second-generation antipsychotics demonstrate efficacy in treating psychosis and mania via dopamine-2 and serotonin-2a receptor antagonism.
- Individual agents exhibit unique pharmacodynamic and pharmacokinetic profiles, influencing antidepressant, anxiolytic, and hypnotic effects.
- Dosing in low, middle, or high ranges can lead to differential effectiveness and tolerability.
Conclusions:
- Second-generation antipsychotics are crucial in psychiatric practice for managing various conditions.
- Clinicians can optimize patient outcomes by selecting appropriate agents and tailoring dosages based on diagnosis.
Related Concept Videos
Drug Therapy
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
Antipsychotic Drugs: Typical and Atypical Agents
Antipsychotic drugs are classified into first-generation (typical) drugs including phenothiazines; and second-generation (atypical) drugs. Chlorpromazine hydrochloride (Thorazine), a phenothiazine derivative, broadly impacts the central, autonomic, and endocrine systems. This drug, along with typical agents like haloperidol (Haldol), primarily works by antagonizing D2 receptors, thus reducing dopaminergic neurotransmission. However, typical antipsychotics can cause side effects such as sedation...
Dosage Regimens: Designs and Approaches
Designing a dosage regimen, which refers to the manner of drug administration, is a complex process involving the selection of drug dose, route, and frequency. This process is underpinned by pharmacokinetic parameters derived from tests and population averages. These parameters are then tailored to patient-specific variables such as diagnosis, demographics, and allergy status. Once therapy commences, therapeutic response monitoring is critical and achieved through clinical and physical...
Psychosis: Goals of Pharmacotherapy
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. For...
Psychosis and Antipsychotic Drugs: Overview
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 symptoms in all...
Dosage Regimen: Fixed Dose
Fixed-dose regimens are a common approach to administer drugs to achieve and maintain desired levels of the drug in the body. In this dosing strategy, a specific amount of medication is given at regular intervals, often multiple times a day, to ensure a consistent drug concentration in the bloodstream.
Fixed-dose regimens can be used for various routes of administration, including intravenous (IV) injections and oral medications. For IV administration, a predetermined amount of the drug is...
Fixed-dose regimens can be used for various routes of administration, including intravenous (IV) injections and oral medications. For IV administration, a predetermined amount of the drug is...
