Related Experiment Video
Updated: May 24, 2026
07:01
Electrophoretic Delivery of γ-aminobutyric Acid (GABA) into Epileptic Focus Prevents Seizures in Mice
Published on: May 16, 2019
Antiepileptic drugs and suicidality
Konstantinos N Fountoulakis1, Xenia Gonda, Myrto Samara
113rd Department of Psychiatry, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece. kfount@med.auth.gr
Journal of Psychopharmacology (Oxford, England)
|March 10, 2012
Summary
This review found no strong evidence that antiepileptic drugs as a class increase suicide risk. More research is needed for specific drugs like topiramate and lamotrigine.
Area of Science:
- Neuroscience
- Pharmacology
- Psychiatry
Background:
- Antiepileptic drugs (AEDs) are crucial for managing epilepsy.
- Concerns exist regarding a potential link between AEDs and suicide-related behaviors.
- A class effect of AEDs on suicidal behavior requires thorough investigation.
Purpose of the Study:
- To systematically review the literature on the relationship between antiepileptic drugs and suicide-related clinical features and behaviors.
- To critically analyze the Food and Drug Administration (FDA) report on AEDs and suicidality.
- To identify specific AEDs that may warrant further research regarding suicide risk.
Main Methods:
- Systematic literature review using MEDLINE database.
- Inclusion of five relevant papers from 863 identified.
- Critical analysis of the FDA report on antiepileptic drugs and suicidality.
Main Results:
- No convincing data support a 'class effect' of antiepileptics in inducing suicide-related behaviors.
- Topiramate, lamotrigine, and possibly levetiracetam require further investigation.
- Clinicians should inform patients about potential risks without overemphasizing, to avoid treatment discontinuation.
Conclusions:
- Current evidence does not establish a universal link between antiepileptic drugs and increased suicide risk.
- Further research, including randomized controlled trials, is necessary to clarify the association for specific drugs and in the context of epilepsy.
- Balancing the risks and benefits of antiepileptic treatment is essential for patient safety and effective epilepsy management.
Related Concept Videos
01:20Antiepileptic Drugs: Potassium Channel Activators
Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
Ezogabine has gained approval as an adjunctive treatment...
01:14Antiepileptic Drugs: Glutamate Antagonists
Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
01:08Antiepileptic Drugs: Sodium Channel Blockers
Antiepileptic drugs are specialized medications that prevent seizures in individuals diagnosed with epilepsy. These drugs primarily function by blocking the movement of sodium ions through channels in the neuronal membrane, inhibiting the repetitive firing of action potentials often associated with seizures.
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
01:24Mania and Antimanic Drugs: Overview
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 a...
01:17Antiepileptic Drugs: Calcium Channel Blockers
Calcium channel blockers, a class of antiepileptic drugs, regulate the flow of calcium ions within neurons.
Calcium channel blockers exert their antiepileptic effects by targeting T-type calcium channels, which are integral to transmitting nerve signals in the central nervous system. These channels allow the passage of calcium ions, which are vital for neuronal communication. By inhibiting T-type calcium channels, calcium channel blockers effectively reduce the release of neurotransmitters and...
Calcium channel blockers exert their antiepileptic effects by targeting T-type calcium channels, which are integral to transmitting nerve signals in the central nervous system. These channels allow the passage of calcium ions, which are vital for neuronal communication. By inhibiting T-type calcium channels, calcium channel blockers effectively reduce the release of neurotransmitters and...
01:23Antidepressant Drugs: MAOIs and Other Agents
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...