Neurocysticercosis Treatment Guidelines

Introduction to Treatment

The treatment of neurocysticercosis should follow a structured approach based on the type of lesion, with albendazole (15 mg/kg/day divided into 2 daily doses for 10-14 days) as the primary antiparasitic agent, always preceded by corticosteroids to prevent inflammatory reactions, as recommended by the World Health Organization 1
Both MRI and non-contrast CT scan are recommended for proper classification of neurocysticercosis lesions, with a strength of evidence level of high, as suggested by the American College of Physicians 2

Fundoscopic examination must be performed prior to starting antiparasitic therapy to check for retinal lesions, as recommended by the Infectious Diseases Society of America 2
Consider screening for latent tuberculosis and Strongyloides stercoralis before starting corticosteroids, according to the Centers for Disease Control and Prevention 2, 3
Serologic testing with enzyme-linked immunotransfer blot is recommended as a confirmatory test for neurocysticercosis, with brain imaging, including MRI and non-contrast CT scan, used for proper classification of neurocysticercosis lesions 2, 1

For 1-2 viable parenchymal cysticerci, albendazole monotherapy is recommended at a dose of 15 mg/kg/day divided into 2 daily doses for 10-14 days (maximum 1200 mg/day), with a strength of evidence level of moderate, and corticosteroids started at least one day before albendazole, as recommended by the National Institutes of Health 1, 2, 3
For >2 viable parenchymal cysticerci, combination therapy with albendazole (15 mg/kg/day) plus praziquantel (50 mg/kg/day) for 10-14 days is recommended, with a strength of evidence level of low, and corticosteroids started at least one day before antiparasitic therapy 1, 2
Symptomatic therapy alone (no antiparasitic drugs) may be considered in certain cases, with antiepileptic drugs for seizure control and corticosteroids not routinely recommended for isolated CPN with perilesional edema 1

Surgical removal is recommended when possible, especially for fourth ventricular cysts, with a strength of evidence level of high, and shunt surgery for hydrocephalus is recommended when surgical removal is technically difficult, with a strength of evidence level of moderate, as recommended by the Clinical Infectious Diseases guidelines 1
Perioperative management with corticosteroids is recommended to decrease brain edema, and post-shunt therapy with antiparasitic drugs and corticosteroids should be considered after shunt insertion 1

Elevated intracranial pressure/hydrocephalus should be managed first before antiparasitic treatment, with a strength of evidence level of high, and diffuse cerebral edema should be treated with anti-inflammatory therapy (corticosteroids) without antiparasitic drugs initially, with a strength of evidence level of moderate 2, 3
Attempted removal of inflamed or adherent ventricular cysticerci carries an increased risk of complications, with a strength of evidence level of low 1, 2

Albendazole: 15 mg/kg/day divided into 2 daily doses (maximum 1200 mg/day) for 10-14 days with food, as recommended by the World Health Organization 1, 2
Praziquantel: 50 mg/kg/day for 10-14 days (for combination therapy) 1, 2
Corticosteroids: dexamethasone (6-8 mg/day) should be initiated prior to antiparasitic therapy to decrease brain edema, as suggested by the National Institutes of Health 1

Monitor blood counts at the beginning of treatment and every 2 weeks, and liver enzymes at the beginning of treatment and at least every 2 weeks, as recommended by the Infectious Diseases Society of America 2
Repeat MRI at least every 6 months until resolution of cystic lesions, with a strength of evidence level of moderate 1, 2
Retreatment with antiparasitic therapy should be considered for parenchymal cystic lesions persisting for 6 months after initial treatment, with a strength of evidence level of low 2, 1

Antiepileptic drugs are recommended for all patients with neurocysticercosis and seizures, with the choice of drug based on local availability, cost, drug interactions, and potential side effects, as recommended by the American Academy of Neurology 1, 2
Consider tapering and stopping antiepileptic drugs after resolution of lesions on imaging and no seizures for 24 consecutive months (for VPN) or 6 months (for SELs without risk factors for recurrent seizures) 1, 2

Starting antiparasitic drugs without corticosteroids can lead to severe neurological deterioration due to inflammatory reactions 1
Overlooking retinal involvement can be avoided by performing fundoscopic examination before starting therapy, as recommended by the Infectious Diseases Society of America 2
Inadequate monitoring can lead to failure in detecting hepatotoxicity and leukopenia during treatment, and monitor blood glucose, with consideration for bone and stomach protection measures when using prolonged corticosteroids 3, 1