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Scientists hunt for hidden genes behind unexplained short stature

NCT ID NCT05858606

Knowledge-focused Sponsor: University Hospital, Montpellier Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study aims to find out how many children with very short height have no known medical cause, and then search for genetic reasons in a small group. Researchers will evaluate 200 children aged 4 to 18 using a team of specialists. The goal is to better understand why some children are short without a clear explanation.

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

About 200 people

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

Started

Mar 2026

Expected to finish

Mar 2029

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.

Ages

4 to 18 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: * Children aged 4 to 18 years * 2 sexes * Height less than -2.5DS (standard deviations of the AFPA- CRESS/Inserm -CompuGroup Medical 2018 curve) or less than -2DS of the TCP (parental target height, corresponding to the average of parental heights +6.5 cm in boys, -6.5 cm in girls) * Normal karyotype + FISH SHOX for girls * Previously performed:celiac disease antibodies, WBC-platelets, CRP, blood ionogram, creatinine, blood calcium, blood phosphorus, ASAT, ALAT, PAL, PTH, TSH, T4L, growth hormone test normal according to the standards of the laboratory of the CHU of Montpellier * Acceptance of X-rays, in addition to those already performed as part of the care, which will not be repeated if necessary: spine front and profile, pelvis front, 1 upper limb front, 1 lower limb front F, hands and feet front * Acceptance of photographs: whole body with underwear, face face and profile, 2 faces of hands; feet, face * Acceptance of blood samples for the child and the 2 parents (trio) * Consent signed by both parents Exclusion Criteria: * Intellectual disability (IQ below 70) * Cardiac, renal, digestive or cerebral malformation, cleft lip or palate, hearing or visual impairment, epilepsy * Renal or cardiac insufficiency, digestive or chronic inflammatory pathology * Previously established genetic diagnosis

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Conditions

The condition(s) this trial relates to.

isolated short stature Mucopolysaccharidosis IV

As listed by the trial registrant

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

Idiopathic short stature

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

  • Service de Génétique Médicale - Arnaud de Villeneuve

    RECRUITING

    Montpellier, 34295, France

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