Clinical trials: Block, Heart
Heart Block AV
Micra AV Tracking During Exercise Testing
The purpose of this study is to determine the effectiveness of the Micra AV 2.0 device during exercise or elevated heart rates. Participation in research studies is voluntary.
- Trial name
- NCT05966168
- Testing
- Medtronic Micra AV Device
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Duke University
Williams Beuren Syndrome, Williams Syndrome
Characterization and Natural History of Williams Syndrome and Other Chromosome 7q11.23 Variants
The goal of this observational natural history study is to better characterize development, transition to adulthood, health and behavior of individuals diagnosed with Williams syndrome (WS) or carrying other variants of 7q11.23…
- Conditions
- Williams Beuren Syndrome, Williams Syndrome, Williams Beuren Region Duplication, Dup7
- Trial name
- NCT06930417
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Atrioventricular Block, Left Bundle Branch Area Pacing
Left Bundle Branch Area Pacing in AVB Patients
Right ventricular pacing (RVP) causes left ventricular mechanical dyssynchrony by inducing electrical interventricular and intraventricular dyssynchrony.
- Trial name
- NCT03851315
- Testing
- permanent left bundle branch area pacing
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Fu Wai Hospital, Beijing, China
Aortic Stenosis, Altitude
Short-term Exposure to High Altitude in Patients With Asymptomatic Aortic Stenosis
Aortic stenosis is a common disease with increasing prevalence due to an aging population. Aortic valve replacement is indicated for symptomatic severe aortic stenosis.
- Trial name
- ASALT (NCT06894550)
- Testing
- Participants will be escorted to high altitude and undergo a series of test
- Where
- Switzerland
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Aortic Stenosis, Fibrosis
Angiogenesis and Fibrosis in Aortic Stenosis
Angiogenesis and fibrosis lie at the heart of a number of fundamental processes responsible for cardiovascular disease. In this proposal, the investigators intend to build upon a highly successful programme of studies exploring…
- Conditions
- Aortic Stenosis, Fibrosis, Neovascularization, Pathologic
- Trial name
- NCT01837160
- Testing
- Cardiac MRI scan, CT-PET scan, Echocardiogram
- Where
- United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
CAD - Coronary Artery Disease, Chronic Total Occlusion (CTO)
Chronic Total Occlusion and Triglyceride-Glucose Index
We retrospectively analyzed 200 CAD patients undergoing coronary angiography between 2026-2027. Patients were grouped by CTO presence.
- Conditions
- CAD - Coronary Artery Disease, Chronic Total Occlusion (CTO), Triglycerid Glucose Index
- Trial name
- NCT07451860
- Testing
- triglyceride-glucose (TyG) index was calculated from routinely obtained blood samples using the formula: Triglyceride (mg/dL) × Glucose (mg/dL) / 2.
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Kırıkkale University
Sick Sinus Syndrome
The Role of Angiotensinogen Gene Polymorphism in the Pathogenesis of Non-familial Sick Sinus Syndrome
Evidence has been documented for the close relationship between the arrhythmia pathogenesis and the gene expression in renin-angiotensin system.
- Trial name
- NCT01310920
- Testing
- observation
- Where
- Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Post Operative Analgesia, Opioid Sparing Anaesthesia
To Compare Post-op Analgesic Effectiveness of Ropivicaine+Dexamethasone and Ropivacane+Dexmetomidine in TAP Block in Stoma Reversal Under GA in Terms of Duration of Analgesia.
Controlling pain is of major concern in intra-operative as well as post-operative period inpatients undergoing all surgeries especially abdominal surgeries.Adequate pain control in post-operative period directly effect patient's…
- Conditions
- Post Operative Analgesia, Opioid Sparing Anaesthesia, Hypotension, Controlled, Bradycardia
- Trial name
- NCT07368075
- Testing
- TAP Block with Ropivacaine+Dexamethasone, TAP Block with Ropivacaine+Dexmedetomidine
- Where
- Pakistan
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Sahiwal medical college sahiwal
Aortic Valve Stenosis, Artifical Intelligence
Smartphone Based Digital Screening for Aortic Valve Stenosis
Heart valve diseases are among the most serious cardiovascular conditions in older age. One of the most common forms is aortic valve stenosis, a narrowing of the valve opening between the left ventricle and the main artery.
- Trial name
- SMART-VALVE (NCT07284550)
- Testing
- Smartphone-based signal acquisition
- Where
- Austria
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Medical University Innsbruck
Caudal Block
Effects Of Adjuvants to Caudal Anesthesia on Hemodynamics Measured By Electrical Cardiometry In Children
Caudal epidural anesthesia is one of the most common regional techniques used for post-operative pain management in pediatric patients.
- Trial name
- NCT03101137
- Testing
- Caudal block with dexmedetomedine, Caudal dexamethasone, Control (bupivacaine)
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Persistent Atrial Fibrillation
Liner Ablation Using Contact-force in Atrial Fibrillation
Linear ablation is frequently used in the procedure for persistent atrial fibrillation. However, it has a limitation because of technical difficulty. Incomplete block is common and an important cause of atrial tachycardia.
- Trial name
- LIBCAAF (NCT03091972)
- Testing
- Pulmonary vein isolation, Contact force assisted left atrial linear ablation, left atrial linear ablation without contact force monitoring
- Where
- South Korea
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Korea University Anam Hospital
Aortic Stenosis
Construction and Application Plan of Home Cardiac Rehabilitation for Patients Undergoing TAVR
Cardiac rehabilitation is a long-term process, but patients have poor compliance with cardiac rehabilitation. The theory of behavior change rotation aims to comprehensively intervene from three aspects: ability, opportunity, and…
- Trial name
- NCT06418555
- Testing
- A home rehabilitation program centered on exercise
- Where
- China
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Williams Syndrome, Supravalvular Aortic Stenosis
Impact of Elastin Mediated Vascular Stiffness on End Organs
Background: People with Williams Syndrome (WS) and supravalvular aortic stenosis (SVAS) have less elasticity in their blood vessels. This is called blood vessel stiffness.
- Conditions
- Williams Syndrome, Supravalvular Aortic Stenosis, Cardiovascular Disease
- Trial name
- NCT02840448
- Where
- 2 sites in United States
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Opioid Use
Impact of Bilateral Deep Parasternal Intercostal Plane Block on Intraoperative Opioid Consumption in Open Heart Surgery
This study aims to assess the impact of bilateral deep parasternal intercostal plane block on intraoperative opioid consumption in open heart surgery
- Trial name
- NCT05103787
- Testing
- deep parasternal intercostal plane block, control
- Where
- 2 sites in Indonesia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Congenital Heart Block, Neonatal Lupus
Dexamethasone Treatment for Congenital Heart Block (CHB) in Newborns With Lupus
Some newborns are born with congenital heart block (CHB), a condition occurring in babies with neonatal lupus. The first part of the study will test the effectiveness of fluorinated steroids, including dexamethasone, in improving…
- Conditions
- Congenital Heart Block, Neonatal Lupus, Atrioventricular Nodal Dysfunction, Myocardial Injury
- Trial name
- NCT00007358
- Testing
- Dexamethasone or other corticosteroid
- Where
- 4 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Neonatal Lupus, Systemic Lupus Erythematosus
The Research Registry for Neonatal Lupus
Women with lupus and other related disorders produce certain antibodies in the blood. Some women have these antibodies even if they have not yet developed symptoms of lupus or Sjogren's syndrome.
- Conditions
- Neonatal Lupus, Systemic Lupus Erythematosus, Sjogren's Syndrome, Congenital Heart Block
- Trial name
- NCT00074373
- Testing
- No intervention; observational
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Hypertrophic Cardiomyopathy, Mechanical Hyper-synchronicity
Hyper-synchronicity in Hypertrophic Cardiomyopathy (HCM) : Description, Mechanism and Origin With a Multi-imaging Approach to Predict Dual Chamber Pacing Response
Hypertrophic cardiomyopathy (HCM) is a common genetic cardiovascular disease. Outflow-tract gradient of 30 mmHg or more under resting conditions is an independent determinant of symptoms of progressive heart failure and death.
- Trial name
- HSYNC (NCT02559726)
- Testing
- Echocardiography (TEE), Magnetic resonance imaging (MRI) with gadolinium enhancement, Magnetic resonance imaging (MRI) without gadolinium enhancement
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Malaria
Cardiac Safety of Repeated Doses of Dihydroartemisinin-Piperaquine for the Use in Mass Treatment Campaigns
Mass drug administration with antimalarial treatment is a tool that can potentially reduce or totally eliminate malaria parasite infections from a population.
- Trial name
- ECG-Lihir (NCT02605720)
- Testing
- Dihydroartemisinin-piperaquine
- Where
- Papua New Guinea
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Lihir Medical Centre
Breast Tumors, Hypotension
Levobupivacaine and Lidocaine for Paravertebral Block Causes Greater Hemodynamic Oscillations Than Levobupivacaine
The purpose and the goal of this paper is to show whether the application of a combination of two local anesthetics, as opposed to the application of one local anesthetic at paravertebral block changes the hemodynamic variable.
- Conditions
- Breast Tumors, Hypotension, Bradycardia
- Trial name
- NCT02004834
- Testing
- levobupivacaine
- Where
- Croatia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University Hospital Dubrava