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Vitamin d study aims to protect kidneys in children

NCT ID NCT02238418

Disease control Sponsor: Hospices Civils de Lyon 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tested whether the usual vitamin D doses given to children with chronic kidney disease, kidney transplants, or nephrotic syndrome are enough to raise their vitamin D levels to a healthy range. Forty-three children received vitamin D vials based on their weight and starting levels. Researchers also checked if the vitamin D caused too much calcium in the urine, which can be a safety concern. The goal is to improve care for these children.

What this could mean

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

Active substance
Vitamin D (cholecalciferol) vials
What this could lead to
If successful, this could confirm that current vitamin D dosing works for children with kidney problems, helping prevent bone disease and other complications.
What could go wrong
This is a small, single-center study with only 43 children, so results may not apply to all. It also only looks at short-term effects, not long-term benefits or risks.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

43 people

The number who actually took part.

Started

Sep 2014

Finished

Oct 2017

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

18 months 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: * Age : between \[18 mo et 18 yo\[ * Patients seen in the paediatric nephrology service and having : * Chronic kidney disease * Renal transplant * Stable nephrotic syndrome (i.e., normal protidemia at inclusion) * Initial 25 OH vitamin D concentration \< 75nmol/l * Patient agree to participate (if old enough to give his agreement) and written informed consent signed by parents * Patients affiliated within the French universal healthcare system Exclusion Criteria: \- Contraindication to 100 000 IU Uvedose® treatment (according to the Summary of Product Characteristics: known hypersensitivity to vitamin D or hypercalcemia, hypercalciuria or nephrolithiasis).

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome nephrotic syndrome

As listed by the trial registrant

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

Chronic kidney disease Nephrotic syndrome Renal transplantation

Contacts and locations

Locations

  • Centre de Référence des Maladies Rénales Rares - Hospices Civils de Lyon - Service de Néphrologie et Rhumatologie Pédiatriques - Hôpital Femme Mère Enfant

    Bron, 69500, France

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