Can High-Dose vitamin d protect kidney transplant patients?
NCT ID NCT01431430
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study looked at whether a high dose of vitamin D (100,000 IU) is better than a low dose (12,000 IU) for kidney transplant recipients. The goal was to see if it could reduce new cases of diabetes, heart disease, cancer, or death. Over 500 patients took part for two years, but the results are not yet confirmed as a standard treatment.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Vitamin D3 (cholecalciferol)
- What this could lead to
- If it works, this could show that high-dose vitamin D helps prevent serious complications like diabetes, heart problems, or cancer in kidney transplant recipients.
- What could go wrong
- This is a completed Phase 4 trial, but the results are not yet widely known. The benefits of high-dose vitamin D are still uncertain, and high doses may carry risks like high calcium levels.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
-
Georges Pompidou European Hospital
Paris, 75015, France
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