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Study probes link between parent chemical exposure and infant testicular condition

NCT ID NCT04342026

Knowledge-focused Sponsor: University Hospital, Montpellier 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether parents' exposure to certain chemicals (endocrine disruptors) in their jobs or during pregnancy is linked to cryptorchidism (undescended testicles) in male children. Researchers will compare exposure levels between parents of boys with and without the condition. The goal is to better understand environmental causes of this common birth defect.

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 a link, it could point to environmental factors that increase the risk of cryptorchidism, helping guide prevention efforts.
What could go wrong
This is an observational study, not a treatment trial. It can only show associations, not cause and effect. Results may not lead to immediate changes in practice.

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 1,452 people

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

Started

Apr 2020

Expected to finish

Apr 2028

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

Parent of patient with cryptorchidism

Ages

1 month to 18 years

Sex

Male participants only

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: \- Parents of male children from the neonatal period to 18 years of age (during surgery) with cryptorchidism Exclusion criteria: * Parents of children without endocrine disease. (adrenal, hypothalamic-pituitary, phosphocalcic, thyroid, diabetes, etc.) * Parents of children without an associated genital or urinary defect (hypospadias, micropenis, renal and bladder abnormalities) * Testicular Ectopia (testis outside of normal migration path) * Anorchidism and evanescent testicles, united or bilateral * Abnormalities of the abdominal wall (laparoschisis, omphalocele, Prune Belly) * Cryptorchidism integrating in the context of a polymalformative syndrome, including neurological.

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Conditions

The condition(s) this trial relates to.

cryptorchidism

As listed by the trial registrant

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

Cryptorchidism

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

    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

  • University hospital of Montpellier

    RECRUITING

    Montpellier, 34295, France

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