Scientists decode hidden links in deadly tropical infection
NCT ID NCT07345910
First seen Jun 27, 2026 · Last updated Sep 18, 2026 · Updated 3 times
Summary
This study aims to understand how the environment, the bacteria that cause melioidosis, and the human body interact to cause disease. Researchers will follow about 1,000 infected patients and 1,000 healthy matched controls in Thailand, Laos, and Cambodia for one year. They will also monitor a high-risk village to catch hidden infections and learn how to prevent them.
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 2,400 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2026
- Expected to finish
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Dec 2034
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Melioidosis patients: Patients confirmed to have melioidosis. Healthy controls: For each confirmed melioidosis case, a healthy control-defined as having no current fever, no evidence of soft tissue infection, and no prior history of melioidosis-will be recruited from satellite blood bank donors within approximately two weeks of case identification. Controls will be matched by age (±5 years), sex, and village of residence. Sandbox Village residents: All residents of the Sandbox Village, a high-risk area for melioidosis, will be enrolled to monitor disease progression and to evaluate the impact of improved water sanitation.
- Ages
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20 years and older
- 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 for melioidosis patients: * Age ≥20 years * Positive for Burkholderia pseudomallei from any clinical samples * Resident of the study area for at least two years, including the follow-up period * Willing to participate and give informed consent. Inclusion criteria for healthy controls: * Age ≥20 years * Currently healthy as judged by study doctor * Resident of the study area for at least two years, including the follow-up period * Willing to participate and give informed consent. Inclusion criteria for sandbox residents: * Age ≥20 years * Resident of the study area for at least two years, including the follow-up period * Willing to participate and give informed consent. Exclusion criteria for melioidosis patients: * Current tuberculosis (TB) or TB treatment within the past six months * Documented HIV infection or use of immunosuppressive therapy in the past 12 months Exclusion criteria for healthy controls: * History of melioidosis * Significant acute illness * Current fever or soft tissue infection Exclusion criteria for sandbox residents -N/A
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Genom att skicka in godkänner du våra Användarvillkor
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
3 sites in 3 countries. 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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Cambodia-Oxford Medical Research Unit (COMRU)
NOT_YET_RECRUITINGSiem Reap, Cambodia
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Lao-Oxford-Mahosot Hospital Wellcome Trust Research Unit (LOMWRU)
NOT_YET_RECRUITINGVientiane, Laos
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Sunpasitthiprosong Hospital
RECRUITINGUbon Ratchathani, Thailand
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