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Related Concept Videos

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein01:20

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Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain.
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Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment01:08

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Hepatic impairment, characterized by decreased liver function, does not uniformly mandate adjustments in drug dosage. Whether dosage modifications are necessary depends on various factors related to the drug's metabolism and elimination pathways. If a drug is primarily excreted via the kidneys and bypasses significant hepatic processing, if it undergoes minimal metabolic transformation in the liver, or if it is volatile and primarily expelled through the lungs, dose adjustments may not be...
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The biliary system of the liver, crucial for bile secretion and drug excretion, comprises intrahepatic bile ducts that merge to form the common hepatic duct. This duct, carrying hepatic bile, combines with the cystic duct, draining the gallbladder and forming the common bile duct, which empties into the duodenum. Bile, produced by hepatic cells lining the bile canaliculi, is composed primarily of water, bile salts, pigments, electrolytes, and lesser amounts of cholesterol and fatty acids. Bile...
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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.
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In pharmacotherapy, monitoring drug concentrations is paramount, especially for drugs whose therapeutic effects hinge on both the active compound and its metabolite. Hepatic impairment profoundly influences drug potency by altering liver function. If the drug is more potent than its metabolite, impaired liver function amplifies drug activity due to elevated drug concentration levels. Conversely, if the metabolite holds greater potency, diminished liver function diminishes drug activity by...
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Related Experiment Video

Updated: Dec 10, 2025

Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale
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Levetiracetam-Induced Hepatic Dysfunction.

Parthasarathi Gayatri1, Murali Mohan Selvam2, S V Sreeharsha2

  • 1Department of Neuroanesthesia and Neuro Intensive Care, Sagar Hospitals, Kumaraswamy Layout, Banashankari, Bengaluru, Karnataka, India.

Neurology India
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PubMed
Summary

Levetiracetam is usually safe for liver patients, but this case shows it can cause liver dysfunction. Early drug withdrawal is crucial to prevent serious harm from this rare side effect.

Keywords:
Drug-induced liver injuryhepatic dysfunctionlevetiracetamside effect

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Area of Science:

  • Pharmacology
  • Hepatology
  • Neurology

Background:

  • Levetiracetam is a widely used antiepileptic drug.
  • It is often considered the preferred choice for patients with hepatic dysfunction or those who have undergone liver transplantation.
  • Established guidelines support its use in this patient population due to a generally favorable hepatic safety profile.

Observation:

  • A case report details a patient who developed hepatic dysfunction.
  • The patient was receiving levetiracetam for seizure management.
  • Levetiracetam was identified as the most probable causative agent for the observed liver injury.

Findings:

  • This case challenges the conventional view of levetiracetam's safety in hepatic dysfunction.
  • It highlights a rare but significant adverse drug reaction associated with levetiracetam.
  • The findings underscore the importance of considering drug-induced liver injury even with commonly prescribed medications.

Implications:

  • Clinicians should maintain a high index of suspicion for levetiracetam-induced hepatic dysfunction.
  • Prompt discontinuation of levetiracetam is essential for managing this adverse effect.
  • Early diagnosis and drug withdrawal can prevent severe morbidity and potential mortality associated with drug-induced liver injury.