New heart attack procedures aim to save more lives and prevent repeat attacks
NCT ID NCT04775914
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests two methods used during emergency heart attack treatment: ischemic postconditioning (briefly pausing blood flow after opening the artery) and ultrasound-guided stent placement. The goal is to see if these techniques reduce death, heart failure, or the need for another procedure. The study involves 2,500 adults having a specific type of heart attack (STEMI) and compares these approaches to standard care.
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 2,500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2021
- Expected to finish
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Feb 2031
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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18 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: * Age ≥18 years * Acute onset of chest pain with \<12 hours duration * STEMI as characterized by 2 mm ST elevation in 2 or more V1 through V4 leads or presumed new left bundle branch block with minimum of 1 mm concordant ST elevation or 1 mV ST-segment elevation in the limb lead (II, III and aVF, I, aVL) and V4-V6 or ST depression in 2 or more V1 through V4 leads indicating posterior AMI. Exclusion Criteria (iPOST2): Pre-PCI TIMI flow 0 or 1 Potential pregnancy Inability to provide informed consent Unwillingness to consent Unavoidable to use thrombectomy Spontaneous coronary artery dissection Time from symptoms onset to PPCI \> 12 hours Culprit in bypass graft Other reason for not including the patient Exclusion Criteria (iSTEMI): Potential pregnancy Inability to understand information in order to provide informed consent Unwillingness to consent Spontaneous coronary artery dissection Time from symptoms inset to PPCI \> 12 hours Culprit in bypass graft Other reason
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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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Heart Center, Rigshospitalet
RECRUITINGCopenhagen, Capital Region, 2100, Denmark
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can immune cells heal the heart and brain after attack?
- Which strategy wins for heart attack patients with multiple blocked arteries?