[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100640140":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":12,"locations":18,"responsibleParty":35,"collaborators":10,"id":38,"slug":39,"hasResults":40,"nctId":41,"briefTitle":42,"officialTitle":43,"acronym":44,"eligibilityCriteria":45,"healthyVolunteers":40,"sex":46,"minAge":47,"maxAge":10,"enrollmentInfo":48,"targetDuration":10,"studyType":51,"phases":10,"briefSummary":52,"conditions":53,"keywords":55,"overallStatus":20,"whyStopped":10,"lastUpdateSubmitDate":57,"lastUpdatePostDateStruct":58,"startDateStruct":61,"completionDateStruct":63,"leadSponsor":65,"locationsCount":66},{"fullName":5,"class":6},"Keimyung University Dongsan Medical Center","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":10},"Heart failure with reduced ejection fraction",null,"Heart failure with reduced ejection fraction with or without hypertension",[13],{"name":14,"role":15,"phone":16,"phoneExt":10,"email":17},"In-Cheol Kim","CONTACT","82-53-258-4629","kimic@dsmc.or.kr",[19],{"facility":5,"status":20,"city":21,"state":10,"zip":22,"country":23,"countryCode":10,"cosmosGeoPoint":24,"geoPoint":29,"contacts":30},"RECRUITING","Daegu","42601","South Korea",{"type":25,"coordinates":26},"Point",[27,28],128.59111,35.87028,{"lat":28,"lon":27},[31],{"name":32,"role":15,"phone":33,"phoneExt":10,"email":34},"Hyemin Kwon","82-53-258-6691","irbdsmc@naver.com",{"type":36,"investigatorFullName":14,"investigatorTitle":37,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Associate Professor","100640140","feasibility-and-effectiveness-of-a-ring-type-blood-pressure-device-cart-bp-compared-with-24-hour-ambulatory-blood-pressure-monitoring-in-hfref-100640140",false,"NCT07626879","Feasibility and Effectiveness of a Ring-Type Blood Pressure Device (CART-BP) Compared With 24-Hour Ambulatory Blood Pressure Monitoring in HFrEF","Feasibility and Effectiveness of a RING-type Blood Pressure Measurement Device (CART-BP) Compared With 24-Hour Ambulatory Blood Pressure Monitoring Device in Patients With Heart Failure With Reduced Ejection Fraction (RING-HFrEF)","RING-HFrEF","Inclusion Criteria:\n\n1. Age ≥ 19 years (male or female)\n2. Diagnosed with heart failure and currently under treatment\n3. Left ventricular ejection fraction (LVEF) ≤ 40% confirmed by echocardiography performed within 1 year prior to enrollment\n4. Able to undergo both 24-hour ambulatory blood pressure monitoring and ring-type blood pressure measurement\n5. Voluntarily provided written informed consent to participate in this clinical study\n\nExclusion Criteria:\n\n1. Office blood pressure: SBP \\\u003C 90 mmHg, or DBP \\\u003C 50 mmHg, or SBP \\> 180 mmHg, or DBP \\> 100 mmHg\n2. Unable to perform 24-hour ambulatory blood pressure monitoring\n3. Unable to wear or use the ring-type blood pressure device\n4. Variability in three consecutive resting cuff blood pressure measurements ≥ 20 mmHg (SBP) or ≥ 10 mmHg (DBP)\n5. Insufficient valid ABPM readings: \\\u003C 25 daytime or \\\u003C 12 nighttime measurements per ESH criteria; or \\\u003C 25 daytime or \\\u003C 12 nighttime valid readings from the ring-type device\n6. Pregnant, suspected pregnancy, or breastfeeding\n7. Judged by the investigator to be legally or mentally unfit to participate in the clinical study","ALL","19 Years",{"count":49,"type":50},100,"ESTIMATED","OBSERVATIONAL","This study aims to evaluate the feasibility and diagnostic accuracy of the CART-BP ring-type wearable blood pressure monitoring device in comparison with 24-hour ambulatory blood pressure monitoring (ABPM) in patients with heart failure with reduced ejection fraction (HFrEF, LVEF ≤ 40%). As a multi-center, prospective, exploratory study, 100 patients will be enrolled at two tertiary hospitals in South Korea. The agreement between the two devices in 24-hour mean, daytime, and nighttime blood pressure measurements will be assessed per ISO 81060-2:2018 criteria.",[54],"Heart Failure With Reduced Ejection Fraction; Hypertension",[56],"HFrEF, ambulatory blood pressure monitoring, ABPM, wearable device, ring-type blood pressure, photoplethysmography, PPG, blood pressure validation","2026-05-29",{"date":59,"type":60},"2026-06-04","ACTUAL",{"date":62,"type":60},"2025-10-23",{"date":64,"type":50},"2026-10-22",{"name":5,"class":6},1]