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Pollutants and puberty: new study tracks 650 kids in guadeloupe

NCT ID NCT06653660

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

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study follows 650 children in Guadeloupe who were exposed to organochlorine pollutants like chlordecone before birth. Researchers will track their cognitive development and puberty timing through tests and blood samples. The goal is to understand if these chemicals affect growth and thinking skills.

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 this study finds links between pollutants and development, it could guide future policies to protect children's health.
What could go wrong
This is an observational study, not a treatment trial. It can show associations but not prove cause and effect. Results may take years and might not lead to direct changes.

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

About 650 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2022

Expected to finish

Dec 2026

An estimate. End dates often move.

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.

Who is studied

Be born to a mother whose pregnancy was included in the Timoun cohort (2004 - 2007)

Ages

16 to 22 years

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: * Be born to a mother whose pregnancy was included in the Timoun cohort (2004 - 2007) and whose parents agreed to be contacted later. * Residing in Guadeloupe at the peripubertal age * Affiliation to a social security scheme * Agreement to participate in the study and informed consent signed by the minor * Study participation agreement and informed consent signed by the parents Exclusion Criteria: * Refusal to participate in the research

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As listed by the trial registrant

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

Postnatal exposure Prenatal exposure

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • CHU of Guadeloupe

    RECRUITING

    Pointe-à-Pitre, Guadeloupe, 97159, Guadeloupe