ST-elevation myocardial infarction

Researchers compare two timing strategies for the Impella CP heart pump in people who have a heart attack and develop cardiogenic shock, a dangerous state where the heart cannot pump enough blood. One group receives the pump before the artery-opening procedure called PCI, while t…

This phase 2 trial tests whether a combined antioxidant therapy—ascorbate, N-acetylcysteine, and deferoxamine—can reduce heart muscle damage when given before and during angioplasty for a first anterior ST-elevation heart attack. Adults eligible for primary PCI will be randomly a…

This trial is testing the best timing for opening additional blocked arteries in people who have had a severe type of heart attack (STEMI) with multiple blocked vessels. After the main blocked artery is opened, participants are randomly assigned to have the other blockages treate…

This trial tests whether starting a temporary balloon pump in the aorta before the standard artery-opening procedure (angioplasty) can improve outcomes for people who arrive at the hospital 4 to 12 hours after a major heart attack. Half of the participants will receive the balloo…

This trial tests whether giving empagliflozin before or after a procedure to open a blocked heart artery (primary PCI) reduces heart muscle injury during a heart attack. Adults aged 18-75 of South Asian origin having their first heart attack will be randomly assigned to receive e…

This trial investigates whether patients with acute coronary syndrome can safely stop taking aspirin soon after a heart stent procedure and continue with only a potent antiplatelet drug (ticagrelor or prasugrel). The standard approach is to take both aspirin and a P2Y12 inhibitor…

This study compares two ways to guide stent placement during emergency treatment for a severe type of heart attack (STEMI). About 2,500 patients will be randomly assigned to receive either standard X-ray guidance or ultrasound guidance (IVUS) during the procedure. The goal is to …

This study looks at 240 adults having a major heart attack (STEMI) when the standard emergency procedure to open the blocked artery is expected to be delayed by over an hour. Half will get a clot-busting drug (tenecteplase) right away, followed by the procedure within 2-24 hours.…

This study tests a drug called pelacarsen in people who recently had a heart attack and have high levels of Lp(a), a type of fat in the blood that raises heart risk. The goal is to see if the drug can safely lower Lp(a) levels and improve heart health. About 240 adults in the US …

This study tests whether a new wire-free imaging method called μFR can help doctors decide which blocked heart arteries need stents after a heart attack. About 350 patients with multiple blocked arteries will be randomly assigned to standard care or μFR-guided treatment. The goal…

This study tests a drug called NL005 in people who have had a severe type of heart attack (STEMI) and undergone emergency artery-opening treatment. The goal is to see if NL005 can reduce permanent heart muscle damage. Participants will receive either NL005 or a placebo daily for …

This study tests whether drinking a specially designed milk every day for a year can reduce the chance of stents narrowing again and prevent further heart problems in people who have had a first heart attack. About 140 adults who recently had a stent placed will be randomly assig…

This study tests whether removing blood clots from heart arteries during emergency treatment can improve long-term heart health. About 6,760 adults having a severe heart attack will be randomly assigned to get standard care or standard care plus clot removal. Researchers will tra…

This study tracks 1,200 people with coronary artery disease who receive a drug-coated balloon instead of a metal stent during angioplasty. The goal is to see if this approach reduces heart-related deaths, heart attacks, and the need for repeat procedures. Researchers hope to conf…

This study tests whether the drug nicorandil can improve blood flow in the heart's tiny vessels after a heart attack. About 170 patients having emergency angioplasty will receive either nicorandil or a placebo directly into their heart artery. The goal is to see if nicorandil red…

This study compares two blood thinners, bivalirudin and heparin, used during a heart procedure called PCI in people with acute coronary syndrome who are at high risk of bleeding. About 5,270 participants will be randomly assigned to receive one of the two drugs. The goal is to se…

This early-phase trial tests a new treatment for people in shock after a severe heart attack. The therapy uses specially engineered immune cells (CAR-DC) to target a protein found in heart scar tissue, aiming to calm the immune response. The study will enroll 18 patients and prim…

This study tests if a special balloon pump placed in a heart vein (coronary sinus) can reduce heart muscle damage when used alongside standard angioplasty in people having a major heart attack (STEMI). About 177 adults aged 18-80 with moderate heart pumping weakness will be rando…

This study tests whether giving a powerful cholesterol-lowering drug (recaticimab) early after a heart attack can safely reduce future heart problems. About 2,442 adults who recently had a heart attack will receive the drug or standard care. The goal is to see if this approach lo…

This study tests whether adding the blood thinner rivaroxaban to standard aspirin and clopidogrel can improve sluggish blood flow in heart attack patients who just had a stent placed. About 60 adults will receive either the triple therapy or standard dual therapy for one month. R…

This study looks at whether a 12-week cardiac rehabilitation program—including supervised exercise, education, and lifestyle advice—can improve heart function and quality of life in people who have had a heart attack treated with stenting. One hundred participants will be randoml…

Researchers are studying whether the total time from heart attack symptom onset to balloon inflation during angioplasty helps predict contrast-induced nephropathy, a kidney complication that can occur after the procedure. The trial enrolls 400 adults with ST-segment elevation myo…

This study is testing a new tool called UFR, which uses ultrasound images to measure blockages in heart arteries during a heart attack. Currently, the most accurate method requires patients to return 30 days later for a second invasive procedure. The study will enroll 200 heart a…

This trial tests whether a structured oral hydration plan—drinking at least 1,500 mL of fluid within 12 hours around the procedure—can reduce the risk of contrast-induced acute kidney injury (CI-AKI) in patients with ST-elevation myocardial infarction (STEMI) undergoing primary P…

This trial tests whether guided imagery, a relaxation technique using audio recordings, can reduce anxiety and improve sleep and comfort in adults with acute coronary syndrome, such as a heart attack, who are in a cardiac intensive care unit. Participants will be randomly assigne…

This early study tests whether a special gel, injected into the heart during a procedure to open blocked arteries, can safely reduce injury in people having their first major heart attack. Twenty participants will be randomly assigned to get the gel plus standard care or standard…

This phase 3 trial will compare methoxyflurane (Penthrox®), a painkiller gas patients inhale themselves, against standard morphine injections for chest pain during a heart attack. About 700 adults with a specific type of heart attack (STEMI) will be enrolled in pre-hospital setti…

This study will track 320 people in Hong Kong who have a heart attack complicated by cardiogenic shock, a life-threatening condition where the heart can't pump enough blood. Researchers will collect data on standard treatments, including the use of a heart pump called Impella, to…

This study looks at whether a specific heart ultrasound measurement, called left atrial reservoir strain, can better predict serious heart problems within 6 months after a non-ST-elevation heart attack (NSTEMI). Researchers will measure this strain in 150 patients and compare its…

This study investigates clonal hematopoiesis, an age-related condition where blood stem cells acquire mutations, and how it triggers inflammation linked to heart disease. Researchers will compare immune cells from healthy people, those with high-risk mutations, and patients with …

This study investigates whether insulin resistance, measured by the TyG index, is linked to the no-reflow phenomenon—where blood flow fails to restore properly—after primary PCI (stenting) for heart attacks in people with type 2 diabetes. Researchers will also examine how insulin…

This study looks at whether Guanxinning tablets can help repair tiny blood vessels in the heart after a heart attack. About 70 people who have had a severe heart attack will take the tablets or a placebo for 6 months. The main goal is to see if the tablets reduce bleeding in the …

This study investigates whether a condition called clonal hematopoiesis of indeterminate potential (CHIP), which is an age-related change in blood cells, is linked to more severe heart damage in people who have had a major heart attack (STEMI). Researchers will test blood samples…

This study will create a digital twin of the heart for 1,000 people who have had a heart attack. The goal is to see if this computer model can better predict who is at risk for sudden cardiac death compared to the current standard method. Participants will undergo a cardiac CT sc…

This observational study will enroll 20,000 Korean adults who have had a heart attack (acute myocardial infarction). Researchers will collect detailed data from hospitals nationwide to understand what factors affect long-term outcomes. The goal is to create better risk prediction…

This study develops and tests an AI system that reads de-identified patient admission notes to classify four types of coronary syndromes, including heart attacks and angina. The tool is designed to protect patient privacy while helping doctors diagnose more accurately and quickly…

This study looks at whether heart attack patients get to the hospital just as fast when a non-doctor team (like firefighters or paramedics) does the ECG compared to a doctor-staffed team. Researchers will review records of 350 adults who called emergency services in France betwee…

This observational study will enroll 135 adults who had a severe type of heart attack (STEMI) and were treated with angioplasty. Researchers will use a special ultrasound technique to measure left atrium strain within 48 hours of admission. The goal is to see if this measurement …

This study will develop an artificial intelligence model that combines heart MRI scans and patient data to predict long-term risks after a heart attack. Researchers will enroll 800 patients who have had a severe type of heart attack (STEMI) and undergone emergency artery-opening …

This study looks at whether a score called CALLY, calculated from routine blood tests, can help predict short-term problems like heart failure or death in people having emergency treatment for a heart attack. Researchers will follow 140 patients for 30 days after their procedure.…

This study will follow 500 people having a major heart attack (STEMI) to see how the time from symptom onset to balloon treatment affects electrical signals on their ECG and their risk of complications. Researchers will track heart rhythm problems and major events like death or a…

This study looks at whether the bacteria in your gut can affect how your heart heals after a heart attack procedure called PCI. Researchers will measure a substance called TMAO, made by gut bacteria, in 144 patients. The goal is to see if TMAO levels are linked to changes in hear…

This study will enroll 1,000 people with diabetes who are having an emergency procedure to open a blocked artery after a severe heart attack (STEMI). Researchers want to see if certain blood markers of inflammation and clotting can predict complications like heart failure, abnorm…