Stroke device could revolutionize heart attack treatment
NCT ID NCT05307965
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study tested a stent retriever device, already used for strokes, to remove clots during heart attacks. The goal was to reduce damage to small heart blood vessels caused by clot fragments. 81 patients with severe heart attacks were enrolled to see if the device works better than standard clot removal methods.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Stent retriever device (SolitaireTM X Revascularisation Device)
- What this could lead to
- If it works, this could offer a better way to remove clots during heart attacks, potentially reducing long-term heart damage and improving recovery.
- What could go wrong
- This is a small, early-stage trial with only 81 participants. The device may not work better than standard care, and there are risks like vessel damage or complications during the procedure.
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
-
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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81 people
The number who actually took part.
- Started
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May 2022
- Finished
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May 2025
- 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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18 to 90 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.
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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: * Primary PCI patient with ST elevation myocardial infarction (STEMI) * TIMI 0/1 flow at presentation * Angiographic thrombus score ≥ 4 * Vessel diameter at site of occlusion ≥ 3.0 mm (measured by quantitative coronary angiography) Exclusion Criteria: * Female participant who is pregnant or lactating * Participant with known hypersensitivity to nickel-titanium * Unconscious at presentation * Late presenter (pain to wire time \> 12 h) * Class Killip III/IV and/or profound bradycardia (Heart rate \< 40 bpm) * Known history of kidney failure * Ostial occlusion * Highly tortuous vessel * Highly calcified vessel * Suspected (angiographically) spontaneous coronary artery dissection * Stent thrombosis * Previous stent implanted proximal to the occlusion site * Previous coronary artery bypass graft surgery (CABG) * Previous STEMI/Transient Ischemic Attack/Stroke * Known anaemia (Hemoglobin \<9)
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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
Locations
-
Oxford Heart Centre
Oxford, OX3 9DU, United Kingdom
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Other studies related to the condition(s) this trial covers.
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