New study tracks hormone issues in kids after brain radiation

NCT ID NCT06618703

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

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows children and teens who had radiation to the brain before age 16 to check for hormone problems. Researchers will measure hormone levels and track fatigue to create better follow-up guidelines. About 230 participants in remission from cancer will be monitored for up to 5 years after radiation.

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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 230 people

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

Started

Oct 2025

Expected to finish

Oct 2030

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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: * Patient aged 4 years or more (≥4) and less than 18 years (\<18) at inclusion * Treated with radiotherapy to part or all of the brain for cancer or hematological malignancy before age 16 (≤15) * Post-radiotherapy time less than or equal to 5 years (≤5) * In remission of this pathology at the end of oncological treatments, or, with stable residual disease without treatment for 2 years or more (≥2) * Signature of informed consent from parents or legal guardian * Patient affiliated to the social security system or beneficiary of such a system Exclusion Criteria: * Patients who have relapsed or developed a second cancer with a post-treatment delay of \< 1 year * Patient in palliative situation * Brain irradiation with dosimetric data showing sparing of the hypothalamic-pituitary axis (Dmax hypothalamic-pituitary axis \< 15 Gy) * Patient with a known hypothalamic-pituitary axis endocrine deficit prior to radiotherapy * Refusal of child or parents

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Conditions

The condition(s) this trial relates to.

anterior pituitary gland disorder brain cancer brain neoplasm endocrine system disorder hematopoietic and lymphoid cell neoplasm radiation injury

As listed by the trial registrant

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

Endocrine; deficiency Hypothalamo-pituitary disorder Radiotherapy side effect

How to take part

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

The places running it

3 sites. The list below names each one and where it is.
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.

New study tracks hormone issues in kids after brain radiation

What the study statuses mean