Related Experiment Videos
Pharmacotherapy for treatment-refractory schizophrenia
Scott P Van Sant1, Peter F Buckley
1Medical College of Georgia, Department of Psychiatry and Health Behavior, Augusta, GA 30912, USA. svansant@mcg.edu
Expert Opinion on Pharmacotherapy
|January 25, 2011
Summary
Many individuals with schizophrenia remain unresponsive to treatment. Further research is needed to confirm the effectiveness and safety of current drug therapies for treatment-refractory schizophrenia.
Area of Science:
- Psychiatry
- Pharmacology
- Clinical Research
Background:
- Schizophrenia-spectrum disorders present significant treatment challenges.
- A substantial portion of patients exhibit partial or complete non-responsiveness to existing pharmacotherapies.
- This non-responsiveness contributes to elevated morbidity, mortality, healthcare expenses, and diminished quality of life.
Purpose of the Study:
- To review recent advancements in pharmacotherapy for schizophrenia.
- To specifically focus on treatment-refractory schizophrenia (TRS).
- To provide an objective perspective on current trends in drug therapy for TRS.
Main Methods:
- Conducted a literature review of research published between 2005 and June 2010.
- Searched major scientific databases including PubMed, CINAHL, Science Direct, Medline, and ClinicalTrials.gov.
- Utilized primary search terms 'treatment-refractory schizophrenia' and 'treatment-resistant schizophrenia'.
Main Results:
- Identified numerous advances in schizophrenia pharmacotherapy.
- Highlighted the ongoing need for effective treatments for patients with treatment-refractory schizophrenia.
- Assessed the strengths and weaknesses of the available evidence on current drug therapies.
Conclusions:
- Despite therapeutic progress, a significant gap exists in managing schizophrenia.
- More rigorous, well-designed clinical trials are essential.
- Establishing the true efficacy and safety of contemporary prescribing practices for schizophrenia requires further investigation.
Related Concept Videos
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...
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
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...
Antipsychotic Drugs: Therapeutic Uses and Side Effects
Antipsychotic drugs primarily block dopamine and serotonin receptors and cholinergic, adrenergic, and histaminergic receptors, thereby reducing hallucinations and delusions in conditions like schizophrenia. However, they can trigger unwanted extrapyramidal effects such as dystonias, Parkinson-like symptoms, and tardive dyskinesia.
Despite these side effects, antipsychotics are used therapeutically for various purposes, including managing schizophrenia, preventing nausea and vomiting, curbing...
Despite these side effects, antipsychotics are used therapeutically for various purposes, including managing schizophrenia, preventing nausea and vomiting, curbing...
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...
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...