Ventricular tachycardia
MONDO:0005477A disorder characterized by an electrocardiographic finding of three or more consecutive complexes of ventricular origin with a rate greater than a certain threshold (100 or 120 beats per minute are commonly used). The QRS complexes are wide and have an abnormal morphology. (CDISC)
309 clinical trials for this condition and its sub-types.
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Broader categories
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New heart procedure aims to zap stubborn arrhythmias
Disease control ENROLLING_BY_INVITATIONThis early study tests a new catheter technique called VINTAGE for people with ventricular arrhythmia that hasn't improved with standard treatment. The procedure uses special catheters to reach and destroy heart tissue causing the abnormal rhythm. Thirty adults will be enrolled a…
Phase: NA • Sponsor: National Heart, Lung, and Blood Institute (NHLBI) • Aim: Disease control
Last updated Jul 04, 2026 00:00 UTC
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Wireless heart pacemaker and defibrillator team up to stop dangerous rhythms
Disease control OngoingThis study tests a new system that combines a leadless pacemaker with a subcutaneous defibrillator to treat dangerously fast heart rhythms. The devices communicate wirelessly to deliver pacing therapy without wires inside the heart. About 300 people at risk for ventricular tachyc…
Phase: NA • Sponsor: Boston Scientific Corporation • Aim: Disease control
Last updated Jun 28, 2026 00:00 UTC
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New antibiotic pouch aims to stop infections in heart device patients
Disease control OngoingThis study is tracking 100 adults who receive an EluPro antibiotic-eluting envelope during implantation of a heart device (like a pacemaker). The envelope slowly releases antibiotics to prevent infection. Researchers are monitoring complication rates in real-world use to see how …
Sponsor: Elutia Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:39 UTC
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New heart device aims to stop deadly rhythms in heart failure patients
Disease control OngoingThis study tests a new device that combines two heart therapies: one to strengthen heartbeats and another to stop dangerous rhythms. About 300 adults with heart failure and a weak heart pump will get the device. Researchers will check if it safely converts life-threatening heart …
Phase: NA • Sponsor: Impulse Dynamics • Aim: Disease control
Last updated Jun 27, 2026 12:38 UTC
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New weekly shot could help severely obese heart patients shed pounds
Disease control OngoingThis Phase 3 study tests a weekly injection called retatrutide in about 1,946 people with severe obesity (BMI ≥35) and established heart disease. The goal is to see if it helps with weight loss and improves heart-related health measures over 113 weeks compared to a placebo. Parti…
Phase: PHASE3 • Sponsor: Eli Lilly and Company • Aim: Disease control
Last updated Jun 27, 2026 12:37 UTC
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Could a weekly shot slash heart attack risk? major trial underway
Disease control OngoingThis study tests whether a weekly injection of CagriSema (a combination of two drugs) can reduce the risk of heart attacks, strokes, and other heart-related events in people with established cardiovascular disease. About 7,100 participants will receive either CagriSema or a place…
Phase: PHASE3 • Sponsor: Novo Nordisk A/S • Aim: Disease control
Last updated Jun 27, 2026 12:35 UTC
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Can removing blood before heart surgery cut transfusions? large trial aims to find out.
Disease control OngoingThis study tests a technique called acute normovolemic hemodilution (ANH) in 2000 high-risk heart surgery patients. Before the heart-lung machine is used, doctors remove some blood and replace it with fluids. The goal is to see if this reduces the number of patients who need a bl…
Phase: NA • Sponsor: Università Vita-Salute San Raffaele • Aim: Disease control
Last updated Jun 27, 2026 12:31 UTC
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New Dual-Energy catheter aims to stop deadly heart rhythms
Disease control OngoingThis study tests a new catheter that uses two types of energy (radiofrequency and pulsed field) to destroy the tiny areas of heart tissue causing ventricular tachycardia, a fast and dangerous heart rhythm. Thirty patients with recurrent episodes will undergo the procedure. The go…
Phase: NA • Sponsor: McGill University Health Centre/Research Institute of the McGill University Health Centre • Aim: Disease control
Last updated Jun 27, 2026 12:30 UTC
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New drug aims to cut heart attacks in High-Risk patients
Disease control OngoingThis phase 3 trial tests whether a monthly injection of pelacarsen can reduce major heart problems like heart attacks and strokes in people with high levels of Lp(a), a genetic risk factor. Over 8,000 participants with existing heart disease are being followed for several years. …
Phase: PHASE3 • Sponsor: Novartis Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 12:29 UTC
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New heart lead under watch: 5-Year safety check begins
Disease control ENROLLING_BY_INVITATIONThis study follows 2000 people who have or will get the OmniaSecure defibrillation lead, a wire that helps control dangerous heart rhythms. Researchers will track how often the lead causes problems over 5 years. The goal is to make sure the lead is safe and works as expected in e…
Sponsor: Medtronic • Aim: Disease control
Last updated Jun 27, 2026 12:25 UTC
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Heart device study aims to reduce painful shocks with smarter pacing
Disease control OngoingThis study compares two ways of programming implantable defibrillators (ICDs) in 398 Japanese patients. One group uses early, multiple bursts of rapid pacing (ATP) to stop dangerous heart rhythms, while the other uses a longer detection time before pacing. The goal is to see whic…
Phase: NA • Sponsor: Biotronik SE & Co. KG • Aim: Disease control
Last updated Jun 27, 2026 12:24 UTC
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New heart ablation tool tested in humans for first time
Disease control ENROLLING_BY_INVITATIONThis early study tests a new catheter that uses two types of energy (radiofrequency and pulsed field) to treat rapid heartbeats from the lower chambers. Ten adults with drug-resistant ventricular arrhythmias will receive the procedure. The main goal is to check safety and see if …
Phase: NA • Sponsor: Shanghai MicroPort EP MedTech Co., Ltd. • Aim: Disease control
Last updated Jun 27, 2026 12:02 UTC
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Can tighter blood pressure control save hearts in diabetes? massive trial aims to find out
Disease control OngoingThis large study is testing whether a lower blood pressure target can reduce major heart problems like heart attacks, strokes, and heart failure in people with type 2 diabetes. About 9,500 participants with high blood pressure and high cardiovascular risk are being randomly assig…
Phase: NA • Sponsor: Hospital Israelita Albert Einstein • Aim: Disease control
Last updated Jun 27, 2026 12:01 UTC
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New heart mapping technique could make VT ablation safer
Disease control ENROLLING_BY_INVITATIONThis study tests a new mapping method for ventricular tachycardia (VT) ablation that avoids purposely triggering VT. Instead, it uses special software to identify slow-conduction areas during normal heart rhythm. The goal is to see if this approach reduces VT recurrence, death, o…
Phase: NA • Sponsor: VA Office of Research and Development • Aim: Disease control
Last updated Jun 27, 2026 12:00 UTC
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New heart lead could improve pacing for thousands with heart failure
Disease control OngoingThis study tests a new type of wire (lead) for implantable heart devices like ICDs or CRT-Ds. The lead is designed to pace the heart's natural conduction system, which may work better than standard pacing. About 414 adults who need these devices will be followed for 3 months to c…
Phase: NA • Sponsor: Abbott Medical Devices • Aim: Disease control
Last updated Jun 27, 2026 11:02 UTC
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Heart rhythm showdown: ablation may beat drugs for ventricular tachycardia
Disease control OngoingThis trial tests whether a procedure called catheter ablation works better than anti-arrhythmic drugs for people with structural heart disease who have had a dangerous fast heart rhythm (ventricular tachycardia). About 162 participants will be randomly assigned to either ablation…
Phase: NA • Sponsor: Western Sydney Local Health District • Aim: Disease control
Last updated Jun 27, 2026 11:02 UTC
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New heart ablation technique aims to zap troubling rhythms
Disease control ENROLLING_BY_INVITATIONThis study is testing a new type of catheter that uses pulsed electrical fields to treat certain heart rhythm problems, specifically premature ventricular contractions (PVCs) and ventricular tachycardia. The device, called Farapoint, is designed to map and ablate (destroy) the ti…
Phase: NA • Sponsor: Vivek Reddy • Aim: Disease control
Last updated Jun 27, 2026 09:04 UTC
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Gut bacteria capsules may shield heart surgery patients from organ damage
Disease control ENROLLING_BY_INVITATIONThis study tests whether giving patients capsules containing gut bacteria (called Probacine) before and after heart surgery can reduce gut injury and organ failure. Researchers will enroll 500 adults undergoing cardiovascular surgery. The goal is to see if changing the gut microb…
Phase: NA • Sponsor: Nanjing Medical University • Aim: Disease control
Last updated Jun 27, 2026 08:09 UTC
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Tiny trial tests new lead for implanted defibrillator
Disease control OngoingThis early study tests a new type of lead (a wire) for an implantable cardioverter-defibrillator (ICD) in 19 people who need one. The lead is placed under the breastbone to deliver a shock if the heart beats dangerously fast. The goal is to see if it is safe and works well enough…
Phase: NA • Sponsor: AtaCor Medical, Inc. • Aim: Disease control
Last updated Jun 27, 2026 08:01 UTC
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Pacemaker's 'Smart Pacing' may zap away heart danger without shocks
Disease control OngoingThis study is checking how well a special pacemaker feature called iATP works in everyday medical practice. The iATP automatically sends tiny, painless electrical pulses to stop a fast, dangerous heart rhythm called ventricular tachycardia. Researchers are tracking 2,200 people w…
Sponsor: Medtronic • Aim: Disease control
Last updated Jun 27, 2026 07:55 UTC
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Heart rhythm device under the microscope: new study tracks Long-Term safety
Disease control OngoingThis study follows 62 people with non-ischemic structural heart disease who have recurrent, drug-resistant ventricular tachycardia. They are treated with the FlexAbility SE ablation catheter, which uses heat to destroy small areas of heart tissue causing the abnormal rhythm. Rese…
Sponsor: Abbott Medical Devices • Aim: Disease control
Last updated Jun 27, 2026 07:55 UTC
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New ultrasound technique could sharpen heart arrhythmia diagnosis
Diagnosis ENROLLING_BY_INVITATIONThis study tests a new, non-invasive ultrasound method called electromechanical wave imaging (EWI) to see if it can more accurately locate and diagnose heart rhythm problems compared to standard tests. About 322 adults already scheduled for a heart procedure will get an EWI scan …
Phase: NA • Sponsor: Columbia University • Aim: Diagnosis
Last updated Jun 27, 2026 12:24 UTC
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Leg movement may predict heart risk in seniors
Diagnosis OngoingThis study explores whether a simple, non-invasive leg movement test can measure blood vessel health in older adults. Researchers will use ultrasound to track blood flow changes after a passive leg movement, comparing young healthy people and older patients undergoing heart tests…
Sponsor: VA Office of Research and Development • Aim: Diagnosis
Last updated Jun 27, 2026 08:01 UTC
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Massive study tests if daily pills can ward off cancer and heart attacks
Prevention OngoingThis large study tested whether taking daily vitamin D3 and omega-3 (fish oil) supplements can lower the risk of developing cancer, heart disease, or stroke. Over 25,000 healthy older adults (men 50+, women 55+) took the supplements or placebos for about 5 years. The goal is to s…
Phase: PHASE3 • Sponsor: Brigham and Women's Hospital • Aim: Prevention
Last updated Jun 27, 2026 07:56 UTC
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Heart rehab gets personal: new program targets Women's sexual Well-Being
Symptom relief OngoingThis study tests a nurse-led education program designed to help women in cardiac rehab address sexual concerns after a heart event. Sixty-six women will be randomly assigned to either the program or usual care. The goal is to see if the program improves sexual function, mood, and…
Phase: NA • Sponsor: Hospital Universitario Virgen Macarena • Aim: Symptom relief
Last updated Jun 27, 2026 12:33 UTC
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Can a blood flow cuff boost heart rehab?
Symptom relief OngoingThis study tests whether adding blood flow restriction (BFR) to standard resistance training helps heart rehab patients get stronger and healthier. Twenty adults with stable heart disease will do exercises with and without a special cuff that limits blood flow to the arms and leg…
Phase: NA • Sponsor: University of Valencia • Aim: Symptom relief
Last updated Jun 27, 2026 12:24 UTC
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Could a simple nerve block cut opioid use after heart surgery?
Symptom relief ENROLLING_BY_INVITATIONThis study tests whether a nerve block given before heart surgery can reduce pain and the need for opioid painkillers afterward. About 150 adults having heart surgery will receive either a long-acting or standard form of the numbing drug bupivacaine via ultrasound-guided injectio…
Phase: PHASE2, PHASE3 • Sponsor: Rutgers, The State University of New Jersey • Aim: Symptom relief
Last updated Jun 27, 2026 09:06 UTC
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Heart rehab gets a meaning boost: new study tests existential support
Symptom relief ENROLLING_BY_INVITATIONThis study tests a short program that helps heart patients and their families explore what gives life meaning during cardiac rehab. About 80 people in Denmark will try one of three formats: one-on-one, with a relative, or in a group. The goal is to see if this approach can reduce…
Phase: NA • Sponsor: University of Southern Denmark • Aim: Symptom relief
Last updated Jun 27, 2026 08:10 UTC
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Heart Patients' hidden danger: risky drug mixes under the microscope
Knowledge-focused OngoingThis study tracks 120 adults with heart disease and at least two other long-term illnesses to see how often dangerous drug interactions happen. Researchers check medications, including over-the-counter and herbal products, and follow participants for a year. The goal is to unders…
Sponsor: National Medical Research Center for Therapy and Preventive Medicine • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Heart device DiamondTemp under Real-World watch: will it deliver?
Knowledge-focused OngoingThis registry follows 545 people with arrhythmia who received a heart ablation using the DiamondTemp system. Researchers will track how many stay free of their heart rhythm problem and how many have serious side effects over 12 months. The goal is to see how well the device works…
Sponsor: Medtronic Cardiac Ablation Solutions • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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Heart patients face bleeding and clot risks after joint surgery – new study investigates
Knowledge-focused OngoingThis study tracks over 1,700 heart patients who had hip or knee replacement surgery. Researchers want to see how often bleeding or blood clots happen in the months after surgery. The goal is to find better ways to prevent these complications.
Sponsor: I.M. Sechenov First Moscow State Medical University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:32 UTC
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200,000 heart patients enrolled in massive 5-Year fitness tracking study
Knowledge-focused ENROLLING_BY_INVITATIONThis study will observe 200,000 Chinese adults with heart disease to see how their heart and lung function changes over 5 years. Participants will take a special exercise test to measure their fitness. Researchers hope to find better ways to predict future heart problems like hea…
Sponsor: Guangdong Provincial People's Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:24 UTC
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Massive heart study aims to unlock secrets of cardiovascular disease
Knowledge-focused OngoingThis study is a large registry that collects medical data and tissue samples from 30,000 people with heart disease and healthy volunteers. Researchers will analyze this information to better understand risk factors, treatments, and outcomes for various heart conditions. The goal …
Sponsor: Intermountain Health Care, Inc. • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:07 UTC
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Heart disease study aims to unlock genetic secrets of dilated cardiomyopathy
Knowledge-focused OngoingThis study follows 2000 people with dilated cardiomyopathy (a weakened, enlarged heart) over several years to learn how genetics and heart scarring affect the disease. Participants give blood for genetic testing and have heart MRI scans. The goal is to improve diagnosis and pave …
Sponsor: Imperial College London • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC
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Heart rhythm secrets in thick heart muscle disease revealed
Knowledge-focused OngoingThis study looks at heart rhythm problems in people with hypertrophic cardiomyopathy, a condition where the heart muscle is thicker than normal. Researchers want to see how often new rhythm issues like atrial fibrillation happen, and whether sleep apnea plays a role. About 260 ad…
Sponsor: Mayo Clinic • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:02 UTC
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ICU stay throws body clocks out of sync, new study reveals
Knowledge-focused OngoingThis study looks at how being in a hospital intensive care unit (ICU) after heart surgery affects your body's natural sleep-wake cycle. Researchers will track sleep patterns and thinking ability in 15 adults to see if disrupted rhythms slow down recovery. The goal is to understan…
Sponsor: University of Pennsylvania • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:13 UTC
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Scientists build heart cells in a dish to unravel genetic heart disease
Knowledge-focused ENROLLING_BY_INVITATIONThis study collects blood or skin samples from 100 adults with inherited heart rhythm disorders (like Long QT Syndrome or Brugada Syndrome) and healthy volunteers. Researchers will turn these samples into stem cells and then into heart cells to study how these diseases work and t…
Sponsor: Johns Hopkins University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:11 UTC
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Study on faster recovery after heart procedure pulled before starting
Knowledge-focused TerminatedThis study aimed to see if using a special pad along with a standard closure device could help patients get out of bed sooner after a heart catheterization. It was planned for adults having the procedure through the groin. However, the study was withdrawn before any participants …
Phase: NA • Sponsor: University of California, Los Angeles • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:05 UTC
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Global heart registry tracks ablation success
Knowledge-focused ENROLLING_BY_INVITATIONThis study is a large international registry that collects information from patients who have a heart ablation procedure for ventricular tachycardia or premature ventricular contractions. The goal is to track how well the procedure works and any complications, helping doctors imp…
Sponsor: University of California, Los Angeles • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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New registry aims to uncover hidden risks for pregnant women with heart disease
Knowledge-focused OngoingThis registry follows 75 pregnant women with heart disease to better understand the risks and outcomes for both mother and baby. Researchers will track health data for one year and check vital status at five years. The goal is to fill knowledge gaps and improve future care for th…
Sponsor: Saint Luke's Health System • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:55 UTC
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New study aims to predict swallowing trouble after heart surgery
Knowledge-focused OngoingThis study follows 347 heart surgery patients to understand why some develop swallowing problems (dysphagia). Researchers will use special camera tests to watch how patients swallow and look for risk factors. The goal is to create simple tools that doctors can use at the bedside …
Sponsor: University of Florida • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:54 UTC
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10,000 heart scans could unlock secrets of cardiovascular disease
Knowledge-focused OngoingThis study is following 10,000 adults who are having a heart MRI for medical reasons. Researchers want to see if the MRI results can help predict who will have heart problems in the future, like heart attacks or heart failure. The goal is to better understand how MRI scans can gu…
Sponsor: Manchester University NHS Foundation Trust • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC