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New MRI technique could let doctors watch heart tissue heat up in real time
NCT ID NCT03031587
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new MRI method that measures temperature changes in the heart muscle in real time. The goal is to help doctors see how much tissue is being heated during radiofrequency ablation, a common treatment for irregular heartbeats. 61 people who needed an MRI as part of their care took part. The researchers checked how well the technique worked in real-world conditions, including in patients with arrhythmias.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- MRI thermometric imaging
- What this could lead to
- If successful, this could enable doctors to see real-time temperature changes in the heart during ablation, potentially making the procedure safer and more effective.
- What could go wrong
- This is a small, early-stage validation study in 61 people, not a treatment trial. The method may not work well in all patients, such as those with arrhythmias or obesity.
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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61 people
The number who actually took part.
- Started
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May 2017
- Finished
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Jun 2019
- 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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15 years and older
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patient requiring, as part of his/her traditional management of an MRI imaging examination * Adults (age greater than or equal to 18 years) of both sexes * Minors (aged 15 to 18) of both sexes subject to the parental agreement or its legal representative * Patient's oral agreement after reading the information note * Patient affiliate or beneficiary of a social security scheme. Exclusion Criteria: * Patients under 15 years of age * Patient unable to give oral consent * Patients in periods of relative exclusion in relation to another protocol * Patient deprived of liberty by judicial or administrative decision * Major protected by the law * Patient who does not meet the eligibility criteria for an MRI examination with or without injection.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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CHU de Bordeaux
Pessac, 33604, France
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