Tick-Borne mystery: french study aims to uncover hidden cases of babesiosis
NCT ID NCT07345988
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks back at 100 cases of human babesiosis, a rare tick-borne disease, diagnosed in France between 2000 and 2024. Researchers want to describe who gets it, what symptoms they have, and how they are treated. The goal is to improve recognition and care, especially for vulnerable people like those with weak immune systems or no spleen.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could help doctors recognize and treat babesiosis earlier, potentially reducing severe outcomes in high-risk patients.
- What could go wrong
- This is an observational study that only looks back at past cases, so it cannot prove what treatments work best. The number of cases may be too small to draw firm conclusions.
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 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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May 2027
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
Adult subjects with a diagnosis of babesiosis confirmed by blood smear or PCR
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: * Adult subjects (≥18 years old) * With a diagnosis of babesiosis confirmed by blood smear or PCR * Treated in associated centers during the period from January 1, 2000, to December 31, 2024 Exclusion Criteria: \- Refusal to participate in the study
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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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Centre de référence des maladies vectorielles à tiques, CNR Borrelia - CHU de Strasbourg - France
RECRUITINGStrasbourg, 67091, France