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Updated: Jul 18, 2026

A Model for Epilepsy of Infectious Etiology using Theiler's Murine Encephalomyelitis Virus
Published on: June 23, 2022
Optimizing therapy of seizures in patients with HIV and cysticercosis
1Department of Neurology, Inkosi Albert Luthuli Central Hospital, Mayville 4058, South Africa. Bhigjee@ukzn.ac.za
Insights
Managing seizures in HIV and neurocysticercosis (NCC) requires careful antiepileptic drug (AED) selection. Newer AEDs are preferred for HIV patients on antiretroviral (ARV) therapy to avoid drug interactions, while older AEDs effectively manage NCC seizures.
Area of Science:
- Neurology
- Infectious Diseases
- Pharmacology
Background:
- Millions worldwide live with HIV or neurocysticercosis (NCC), both conditions frequently causing recurrent seizures.
- Seizures in HIV stem from various neurological complications, including lesions, meningitis, encephalitis, and ischemia.
- Neurocysticercosis-related seizures can manifest across all stages of cyst development.
Purpose of the Study:
- To outline the challenges in managing seizures in patients with HIV and neurocysticercosis (NCC).
- To discuss appropriate antiepileptic drug (AED) selection, considering drug-drug interactions with antiretroviral (ARV) treatments in HIV patients.
- To review the efficacy of antiparasitic drugs in preventing chronic epilepsy in NCC.
Main Methods:
- Review of seizure mechanisms in HIV and NCC.
- Analysis of antiepileptic drug (AED) choices and potential interactions with antiretroviral (ARV) therapy.
- Evaluation of antiparasitic drug efficacy in neurocysticercosis (NCC).
Main Results:
- HIV-associated seizures necessitate careful AED selection due to potential drug-drug interactions with ARV regimens, favoring newer AEDs with simpler pharmacokinetics.
- Older AEDs are effective for controlling seizures in neurocysticercosis (NCC).
- Evidence suggests antiparasitic drug use in active NCC reduces the risk of developing chronic epilepsy.
Conclusions:
- Antiepileptic drug (AED) management for HIV patients requires careful consideration of antiretroviral (ARV) interactions.
- Neurocysticercosis (NCC) seizures are manageable with established AEDs.
- Antiparasitic therapy is beneficial in preventing long-term epilepsy in neurocysticercosis (NCC).
Abstract:
Worldwide, about 40 million people are living with HIV and 50 million people have neurocysticercosis (NCC). About 5% of patients with HIV and the majority of patients with NCC develop recurrent seizures. Mechanisms of seizure production in HIV include mass lesions, meningitis, encephalitis, and ischemia. Seizures in NCC may occur at all stages of cyst development, from the vesicular and colloidal to the calcified stages. Seizures in HIV present special problems with regard to choice of antiepileptic drug (AED) and the potential for drug-drug interactions with antiretroviral (ARV) treatments. Newer AEDs with simpler pharmacokinetic profiles may be the preferred agents, particularly when protease inhibitors form part of ARV regimens. Seizures in NCC are easily controlled with the older AEDs. Although there has been some debate about the value of antiparasitic drugs in NCC, accumulating data suggest that the use of these agents in active disease decreases the risk for development of chronic epilepsy.
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