Smarter magnesium testing could shield Children's hearts and kidneys after surgery
NCT ID NCT06564376
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests two ways of measuring magnesium in the blood to personalize magnesium sulfate (MgSO4) dosing for children after heart surgery. Low magnesium levels can lead to heart rhythm problems and kidney injury. One method measures total magnesium, while the other measures only the active form. The goal is to see which approach better reduces complications. Researchers will monitor heart rhythms and kidney function in 96 children undergoing heart surgery with a heart-lung machine.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- magnesium sulfate (MgSO4)
- What this could lead to
- If active magnesium measurement proves better, it could lead to personalized magnesium dosing that reduces dangerous heart rhythms and kidney injury after pediatric heart surgery.
- What could go wrong
- This is a small, early-phase study with 96 children, so results may not apply broadly. The two measurement methods may not differ enough to change outcomes.
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
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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
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About 96 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2029
An estimate. End dates often move.
- Lead sponsor
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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
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0 to 18 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 undergoing cardiac surgery utilizing cardiopulmonary bypass Exclusion Criteria: * Children undergoing cardiac surgery without cardiopulmonary bypass * Children with Renal disease * Children with pre-existing arrhythmia * Children on anti-arrhythmia medication
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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West Virginia University
Morgantown, West Virginia, 26506, United States
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