Carbamazepine and valproic acid: effects on the serum lipids and liver functions in children

S Demircioğlu1, A Soylu, E Dirik

  • 1Department of Pediatrics, Dokuz Eylül University; Medical Faculty, Izmir, Turkey.

Pediatric Neurology
|October 6, 2000
PubMed

Insights

Carbamazepine significantly increased lipid levels and gamma glutamyl transferase in epileptic children, potentially increasing atherosclerosis risk. Valproic acid showed no significant impact on serum lipids or liver function.

Area of Science:

  • Pediatric Neurology
  • Clinical Pharmacology
  • Biochemistry

Background:

  • Epileptic children often require long-term antiepileptic drug (AED) therapy.
  • AEDs can potentially affect lipid metabolism and liver function.
  • Understanding these effects is crucial for managing long-term health in pediatric epilepsy.

Purpose of the Study:

  • To investigate the impact of carbamazepine and valproic acid on serum lipids and liver function tests in epileptic children.
  • To compare the effects of these two common AEDs over a six-month treatment period.

Main Methods:

  • A cohort of 38 epileptic children (mean age 8.6 years) was studied.
  • Serum lipids and liver function tests were assessed at baseline, 2 months, and 6 months of AED therapy.
  • Results were compared between children receiving carbamazepine (n=31) and valproic acid (n=7).

Main Results:

  • While overall differences between drug groups were not significant, carbamazepine significantly increased total cholesterol, LDL, total cholesterol/HDL ratio, and gamma glutamyl transferase (P < 0.05).
  • These changes were observed during the treatment period in the carbamazepine group.
  • Valproic acid did not lead to significant alterations in serum lipid levels or liver function tests.

Conclusions:

  • Carbamazepine treatment in epileptic children can adversely affect serum lipid profiles, potentially promoting atherosclerosis.
  • Valproic acid appears to be metabolically neutral regarding serum lipids and liver function in this pediatric cohort.
  • Long-term monitoring of lipid profiles is recommended for children on carbamazepine therapy.

Related Concept Videos

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

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

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.
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
Antiepileptic Drugs: Calcium Channel Blockers01:17

Antiepileptic 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...
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
Antiepileptic Drugs: Sodium Channel Blockers01:08

Antiepileptic 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...
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic 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...