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Could leptospirosis leave lasting damage? a new study investigates

NCT ID NCT05436756

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de la Réunion Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This study looks at whether people who had leptospirosis, a bacterial infection spread by animals, may have health problems that last for years after the initial illness. Researchers in Reunion will follow about 200 patients who were previously hospitalized with the disease, checking for symptoms like chronic fatigue, kidney issues, muscle weakness, and vision problems. By collecting blood and urine samples and asking about quality of life, the study aims to understand how common these long-term effects are and what they might mean for patient care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Biological sampling and collection (blood and urine samples) with clinical data collection
What this could lead to
If this study finds that many survivors have lasting symptoms, it could lead to better long-term care and monitoring for leptospirosis patients.
What could go wrong
This is an observational study, so it cannot prove what causes long-term symptoms. The results may not apply to other regions, and the follow-up may miss some cases.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

198 people

The number who actually took part.

Started

Jul 2022

Finished

Apr 2026

Lead sponsor

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.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adult or child subjects having been included in the COLEPT cohort with confirmed leptospirosis Where * Adult subjects or children hospitalized for leptospirosis confirmed within 12-18 months before LEPTONIC inclusion; * Be resident in Reunion * Ability to answer a telephone questionnaire * Benefit from a social security scheme Exclusion Criteria: * Refusal of participation by the patient or his entourage if the patient is physically unable to give his opinion (coma, resuscitation, etc.). * Exclusion or premature termination of participation in the COLEPT cohort * Patient under judicial safeguard, guardianship or curatorship, under activated future protection mandate and family authorization

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Conditions

The condition(s) this trial relates to.

leptospirosis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Leptospirosis

Contacts and locations

Locations

  • CHOR

    Saint-Paul, France

  • CHU de la Réunion

    Saint-Denis, 97400, Reunion

  • DIALLO

    Saint-Pierre, 97410, France

  • GHER

    Saint-Benoît, 97470, Reunion

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