ST-elevation myocardial infarction
MONDO:0041656A very serious type of heart attack during which one of the heart’s major arteries (one of the arteries that supplies oxygen and nutrient-rich blood to the heart muscle) is blocked. ST-segment elevation is an abnormality detected on the 12-lead ECG.
Also known as: ST segment elevation myocardial infarction, STEMI, acute-ST segment elevation myocardial infarction
364 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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Experimental blood thinner tested in heart attack emergency
Disease control TerminatedThis study tested an intravenous antiplatelet drug called PRT060128 in 70 people having a severe heart attack (STEMI). The goal was to see if giving the drug before emergency artery-opening treatment improved blood flow and was safe. The trial was terminated early, so the full re…
Phase: PHASE2 • Sponsor: Alexion Pharmaceuticals, Inc. • Aim: Disease control
Last updated Jun 27, 2026 14:02 UTC
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Heart attack oxygen boost trial halted early
Disease control TerminatedThis study tested whether giving extra oxygen directly to the heart for 60 minutes after angioplasty could improve outcomes for people having a major heart attack. Only 17 patients were enrolled before the study was stopped early. The goal was to see if this oxygen therapy could …
Phase: NA • Sponsor: TherOx • Aim: Disease control
Last updated Jun 27, 2026 13:00 UTC
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Heart attack drug trial halted: could quick cholesterol drop save hearts?
Disease control TerminatedThis study looked at whether giving a powerful cholesterol-lowering drug (evolocumab) very early after a major heart attack could help the heart pump better and prevent long-term damage. About 119 adults who were having a heart attack and scheduled for a procedure to open blocked…
Phase: PHASE4 • Sponsor: Henan Institute of Cardiovascular Epidemiology • Aim: Disease control
Last updated Jun 27, 2026 12:36 UTC
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Heart attack study halted: could conditioning the heart and arm help?
Disease control TerminatedThis study looked at whether using two types of 'ischemic conditioning' (brief cycles of blood flow restriction and release) could improve outcomes for people having a major heart attack. One method used a blood pressure cuff on the arm, the other used a balloon inside the heart …
Phase: NA • Sponsor: Hospices Civils de Lyon • Aim: Disease control
Last updated Jun 27, 2026 12:30 UTC
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Heart drug tested to fight COVID-19 complications
Disease control TerminatedThis study tested a drug called CardiolRx in 90 hospitalized COVID-19 patients who also had heart disease or risk factors like diabetes or high blood pressure. The goal was to see if the drug could lower the chance of death, needing intensive care, or having heart problems. The t…
Phase: PHASE2, PHASE3 • Sponsor: Cardiol Therapeutics Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:23 UTC
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Sound waves and microbubbles aim to boost heart attack clot treatment
Disease control TerminatedThis phase 2 trial tested whether using ultrasound and microbubbles (sonothrombolysis) alongside standard clot-busting drugs could help restore blood flow in people having a severe heart attack. The study planned to enroll 41 participants but was terminated early. The main goal w…
Phase: PHASE2 • Sponsor: University of Alberta • Aim: Disease control
Last updated Jun 27, 2026 09:10 UTC
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Blood filter during heart bypass may prevent organ damage, but trial stopped early
Disease control TerminatedThis study tested a device called Efferon LPS that filters blood during heart surgery when a heart-lung machine is used. The goal was to see if it could prevent multiple organ failure, especially kidney damage. Only 14 people took part before the study was stopped, so the results…
Phase: NA • Sponsor: Efferon JSC • Aim: Disease control
Last updated Jun 27, 2026 08:03 UTC
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Heart surgery recovery: can patients manage their own precautions?
Symptom relief TerminatedThis study looked at whether letting patients manage their own recovery precautions after heart surgery leads to a better quality of life compared to following standard sternal precautions. Ten adults who had heart surgery were followed for up to a year. Researchers checked pain,…
Phase: NA • Sponsor: University of Chicago • Aim: Symptom relief
Last updated Jun 27, 2026 07:56 UTC
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Heart attack aftermath: can a PET scan predict who will develop heart failure?
Knowledge-focused TerminatedThis study aimed to understand why some people develop heart failure after a heart attack. Researchers used special PET scans and blood tests to measure blood vessel function and scarring in the heart muscle of 30 patients who had a first heart attack. The goal was to see if thes…
Phase: NA • Sponsor: University Hospital, Caen • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Painkiller showdown: which is safer for the heart?
Knowledge-focused TerminatedThis study looked at how two common pain relievers—celecoxib (a Coxib) and naproxen (an NSAID)—affect blood clotting in people with rheumatoid arthritis who also have heart disease or are at high risk for it. All participants took low-dose aspirin daily. The goal was to see if on…
Phase: PHASE4 • Sponsor: Platelet and Thrombosis Research, LLC • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:32 UTC
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Heart MRI may guide who needs a defibrillator early after a heart attack
Knowledge-focused TerminatedThis study looked at whether an early heart MRI can help doctors know which patients with severe heart damage after a heart attack will get better on their own. The goal was to see if MRI could identify patients who would benefit from getting a defibrillator sooner rather than wa…
Phase: NA • Sponsor: University Hospital, Montpellier • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC