500 patients enrolled in Largest-Ever study of brain tapeworm outcomes
NCT ID NCT00001205
First seen Jun 27, 2026 · Last updated Sep 09, 2026 · Updated 17 times
Summary
This study follows 500 people with neurocysticercosis, a brain infection caused by the pork tapeworm. Participants receive standard antiparasitic drugs and anti-inflammatories. Researchers will track their health over many years to understand what factors lead to better or worse outcomes. The goal is to improve future treatment and reduce complications like seizures and stroke.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- praziquantel and/or albendazole (antiparasitic drugs) plus anti-inflammatory medications
- What this could lead to
- If successful, this could help doctors better predict and manage long-term complications of neurocysticercosis, leading to improved treatment guidelines.
- What could go wrong
- This is an observational study, not a test of a new treatment. It will not directly produce a cure or new drug, and results may take years to influence practice.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 1985
- Lead sponsor
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A government research agency
The lead sponsor is the US National Institutes of Health.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
1\. Arms 1-5 (neurocysticercosis arms): male and female subjects over age 3 years with likely or definite neurocysticercosis (NCC) diagnosis 2. Arm 6 (endemic exposure arm): subjects 18 years or older with an epidemiologic history compatible with possible exposure to Taenia solium.
- Ages
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3 to 99 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
* INCLUSION CRITERIA: Arms 1-5 (NCC): 1. Aged 3 years and older. 2. Ability of participant (or legally authorized representative, LAR) to understand and the willingness to sign a written informed consent document. 3. Patients with proven or likely NCC Arm 6 (Endemic Exposures): 1. Patient with epidemiologic history compatible with possible exposure to NCC 2. Aged 18 years and older. EXCLUSION CRITERIA: Not applicable
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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National Institutes of Health Clinical Center
RECRUITINGBethesda, Maryland, 20892, United States
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