Mass deworming experiment aims to wipe out parasitic worms in three countries
NCT ID NCT03014167
First seen Jan 31, 2026 · Last updated Jun 20, 2026 · Updated 19 times
Summary
This massive study tested whether giving deworming medicine (albendazole) to everyone in a community, not just children, can break the cycle of soil-transmitted worm infections. Over 350,000 people in India, Malawi, and Benin took part. The goal was to see if treating entire villages for three years could reduce infections to very low levels and keep them there.
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Christian Medical College
Vellore, India
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Institut de Recherche pour le Développement
Comé, Benin
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London School of Hygiene and Tropical Medicine
Mangochi, Malawi
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Albendazole (a deworming drug)
What this could lead to
If successful, this could show that treating entire communities with deworming medicine can stop the spread of soil-transmitted worms, leading to simpler and more effective public health programs.
What could go wrong
The trial is very large but results may vary by region. Even if transmission drops, worms could return if treatment stops. Also, the drug is not given to pregnant women in early pregnancy or very young children, which could limit impact.
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.