[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"radial-artery-occlusion\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:radial-artery-occlusion":26},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,7,0,[8,53,84,113,135,169,195],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":19,"targetDuration":22,"studyType":23,"phases":4,"briefSummary":24,"conditions":25,"keywords":31,"overallStatus":40,"whyStopped":4,"lastUpdateSubmitDate":41,"lastUpdatePostDateStruct":42,"startDateStruct":45,"completionDateStruct":47,"leadSponsor":49,"locationsCount":52},"100640402","radial-access-data-in-vascular-interventions-registry-100640402",false,"NCT07614386","Radial Access Data in Vascular Interventions Registry","Radial Access Data in Vascular Interventions: A Prospective Observational Registry Study","RADIUS","Inclusion Criteria:\n\n* Age ≥18 years\n* Patients undergoing routine percutaneous vascular interventions via radial or ulnar artery access\n* Ability to provide informed consent\n\nExclusion Criteria:\n\n* Age \\\u003C18 years\n* Procedures performed without radial or ulnar artery access\n* Incomplete procedural or clinical data\n* Refusal to participate in the registry","ALL","18 Years",{"count":20,"type":21},20000,"ESTIMATED","1 Year","OBSERVATIONAL","The RADIUS study is a prospective observational registry designed to collect real-world data regarding radial and ulnar artery access in percutaneous vascular interventions. The study aims to evaluate procedural characteristics, access-site complications, procedural success, and short-term clinical outcomes associated with transradial and transulnar vascular access.\n\nPatients undergoing routine percutaneous vascular interventions via radial or ulnar artery access at Mersin Medical Park Hospital will be consecutively enrolled. Demographic, clinical, angiographic, procedural, and post-procedural data will be prospectively collected and analyzed.\n\nThe study was initially designed as a single-center registry; however, following Institutional Review Board (IRB) approval, expansion into a multicenter registry with participating centers is planned.\n\nThis study is observational in nature and does not involve any experimental treatment, device, or intervention beyond standard clinical care.",[26,27,28,29,30],"Radial Artery Occlusion","Radial Artery Spasm","Vascular Access Complications","Coronary Artery Disease","Peripheral Arterial Disease",[32,33,34,35,36,37,38,27,39],"Radial access","Ulnar access","Transradial intervention","Coronary angiography","Percutaneous coronary intervention","Vascular complications","Radial artery occlusion","Registry","RECRUITING","2026-06-18",{"date":43,"type":44},"2026-06-23","ACTUAL",{"date":46,"type":44},"2026-05-15",{"date":48,"type":21},"2031-05-20",{"name":50,"class":51},"Mersin Medicalpark Hastanesi","OTHER",1,{"id":54,"slug":55,"hasResults":11,"nctId":56,"briefTitle":57,"officialTitle":57,"acronym":58,"eligibilityCriteria":59,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":60,"targetDuration":4,"studyType":62,"phases":63,"briefSummary":65,"conditions":66,"keywords":71,"overallStatus":40,"whyStopped":4,"lastUpdateSubmitDate":75,"lastUpdatePostDateStruct":76,"startDateStruct":78,"completionDateStruct":80,"leadSponsor":82,"locationsCount":52},"100584513","timing-of-anticoagulant-administration-during-radial-access-percutaneous-coronary-intervention-the-hera-pci-study-heparin-early-for-radial-access-percutaneous-coronary-intervention-100584513","NCT06890312","Timing of Anticoagulant Administration During Radial Access Percutaneous Coronary Intervention: the HERA-PCI Study (Heparin Early for Radial Access Percutaneous Coronary Intervention)","HERA-PCI","Inclusion Criteria:\n\n* Patients having 18 years old or older, regardless of gender, undergoing percutaneous radial coronary intervention\n* Subject affiliated to a social protection health insurance\n* Subject able to understand the objectives and risks of the research and to provide dated and signed consent\n* Subject who has been informed of the results of the preliminary medical examination\n\nExclusion Criteria:\n\n* Contraindication to the use of heparin (history of heparin-induced thrombocytopenia)\n* Very high bleeding risk defined by recent bleeding (\\\u003C6 months) of type 3 of the BARC classification\n* Subject in an exclusion period (determined by a previous or ongoing study)\n* Inability to give the subject enlightened information (subject in an emergency situation, difficulties in understanding the subject, etc.)\n* Subject under safeguard of justice\n* Subject under guardianship or curatorship\n* Pregnancy\n* Breastfeeding\n* Patient on anticoagulant treatment: anti-vitamin K, direct oral anticoagulants (DOACs).",{"count":61,"type":21},550,"INTERVENTIONAL",[64],"NA","While the reduced hemorrhagic risk of radial access for percutaneous coronary intervention compared to femoral access is well-established, its main complication remains radial artery occlusion, which can occur in up to 30% of patients. Anticoagulation is the primary preventive measure recommended in clinical practice to reduce the risk of this complication, typically involving heparin injection during the procedure in most centers. However, data on the effect of the timing of heparin injection are limited. The investigators hypothesize that injection of heparin before sheath insertion may reduce the rate of radial artery occlusion compared with injection after sheath insertion.",[67,68,26,69,70],"Coronary Angiography","Percutaneous Coronary Intervention","Bleeding","Anticoagulation",[72,36,35,73,74],"Anticoagulant injection timing","Radial artery occlusion prevention","Bleeding events","2026-05-20",{"date":77,"type":44},"2026-05-26",{"date":79,"type":44},"2025-06-05",{"date":81,"type":21},"2028-01",{"name":83,"class":51},"University Hospital, Strasbourg, France",{"id":85,"slug":86,"hasResults":11,"nctId":87,"briefTitle":88,"officialTitle":89,"acronym":90,"eligibilityCriteria":91,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":92,"targetDuration":94,"studyType":23,"phases":4,"briefSummary":95,"conditions":96,"keywords":99,"overallStatus":40,"whyStopped":4,"lastUpdateSubmitDate":103,"lastUpdatePostDateStruct":104,"startDateStruct":106,"completionDateStruct":108,"leadSponsor":110,"locationsCount":112},"100622190","transulnar-access-in-patients-with-ipsilateral-radial-artery-occlusion-undergoing-coronary-angiography-or-angioplasty-100622190","NCT07380399","Transulnar Access in Patients With Ipsilateral Radial Artery Occlusion Undergoing Coronary Angiography or Angioplasty","Transulnar Access in Patients With Ipsilateral Radial Artery Occlusion Undergoing Coronary Angiography or Angioplasty: Safety and Effect on Hand Function (ULNART)","ULNART","Inclusion Criteria\n\nParticipants must meet all of the following criteria to be eligible:\n\n* Adults aged 18 years or older\n* Documented radial artery occlusion in the upper limb intended for vascular access, confirmed by ultrasound or angiography\n* Scheduled to undergo elective coronary angiography and\u002For angioplasty\n* Transulnar arterial access on the same side as the occluded radial artery is selected by the treating physician\n* Contralateral radial artery access is not feasible or is clinically undesirable, including for reasons such as:\n* documented occlusion or severe disease of the contralateral radial artery\n* unfavorable anatomy or prior failed access\n* strategic preservation of the contralateral radial artery for future surgical or dialysis needs\n* Adequate ulnar artery flow and anatomy for access, as assessed by pre-procedural ultrasound\n* Able and willing to provide written informed consent\n\nExclusion Criteria\n\nParticipants meeting any of the following criteria will be excluded:\n\n* Inadequate or absent ulnar artery flow at the intended access site on ultrasound\n* Known ulnar nerve injury or neuropathy affecting the access-side upper limb\n* Severe pre-existing motor or sensory dysfunction of the access-side hand that would interfere with functional assessment\n* Emergency coronary procedures that preclude baseline vascular or functional assessment\n* Participation in another interventional clinical study involving vascular access or intervention in the same upper limb\n* Local conditions at the intended access site, such as active infection, burn, or extensive scarring\n* Pregnancy or breastfeeding\n* Life expectancy less than 6 months",{"count":93,"type":21},127,"6 Months","Coronary angiography and angioplasty are commonly performed through the radial artery at the wrist as this approach is associated with fewer bleeding complications and faster recovery. In some patients, the radial artery becomes occluded after prior procedures, requiring selection of an alternative access site for future coronary interventions.\n\nThe ulnar artery is a potential alternative wrist access. However, limited data are available on the safety of using the ulnar artery in the same arm as an occluded radial artery and on the possible effects on hand strength, sensation, and daily hand function.\n\nThe goal of this observational study is to evaluate the safety of transulnar access and its effect on hand function in adults with ipsilateral radial artery occlusion undergoing coronary angiography or angioplasty.\n\nThe main questions addressed by the study are:\n\n* How often do serious access-related vascular or nerve complications occur?\n* Does hand strength, sensation, or functional use of the hand change during follow-up?\n* Does the ulnar artery remain patent after the procedure? The choice of vascular access site is made by the treating physician based on clinical judgment. Participants who undergo transulnar access will undergo follow-up assessments, including ultrasound evaluation of arm arteries, standardized hand function testing, and short questionnaires assessing upper-limb function.\n\nThe findings of this study are expected to inform access-site selection, improve patient counseling, and support safer care for patients with radial artery occlusion undergoing coronary procedures.",[26,97,98],"Vascular Access","Coronary Artery Disease (CAD)",[26,100,67,68,101,102],"Ulnar Artery","Upper Limb Function","Transulnar Access","2026-01-28",{"date":105,"type":44},"2026-02-02",{"date":107,"type":44},"2025-11-01",{"date":109,"type":21},"2032-01",{"name":111,"class":51},"National and Kapodistrian University of Athens",2,{"id":114,"slug":115,"hasResults":11,"nctId":116,"briefTitle":117,"officialTitle":118,"acronym":119,"eligibilityCriteria":120,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":121,"targetDuration":4,"studyType":62,"phases":123,"briefSummary":124,"conditions":125,"keywords":4,"overallStatus":40,"whyStopped":4,"lastUpdateSubmitDate":126,"lastUpdatePostDateStruct":127,"startDateStruct":129,"completionDateStruct":131,"leadSponsor":133,"locationsCount":52},"100591530","comparison-of-the-systematic-versus-the-selective-use-of-heparin-for-the-prevention-of-radial-artery-occlusion-100591530","NCT06981624","Comparison of the Systematic Versus the Selective Use of Heparin for the Prevention of Radial Artery Occlusion","Comparaison d'un Traitement systématique à l'héparine Versus sélectif Pour la prévention de l'Occlusion Radiale EASY-Héparine","EASY-Heparin","Inclusion Criteria:\n\n* Any patient referred for a diagnostic transradial catheterism\n\nExclusion Criteria:\n\n* Unable to understand study design or provide informed consent\n* Unable to receive antiplatelet therapy with aspirina and\u002For clopidogrel-prasugrel and\u002For ticagrelor and intravenous anticoagulant derived from heparine or bivalirudine\n* Local condition such as hematoma or pseudo-aneurims precluding radial or ulnar access.\n* Presence of plethysmographic waveform with simultaneous radial and ulnar occlusive compression (due to colaterals or interouseous artery) precluding the evaluation of patent hemostasis.",{"count":122,"type":21},500,[64],"Randomized study comparing the systematic use of heparin (standard of care) against an elective use of heparin to prevent radial artery occlusion after a percutaneous catheterization using a dual-artery compression system.",[26],"2026-01-22",{"date":128,"type":44},"2026-01-26",{"date":130,"type":44},"2025-05-13",{"date":132,"type":21},"2026-12",{"name":134,"class":51},"Olivier F. Bertrand",{"id":136,"slug":137,"hasResults":11,"nctId":138,"briefTitle":139,"officialTitle":140,"acronym":141,"eligibilityCriteria":142,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":143,"enrollmentInfo":144,"targetDuration":4,"studyType":62,"phases":146,"briefSummary":147,"conditions":148,"keywords":152,"overallStatus":159,"whyStopped":4,"lastUpdateSubmitDate":160,"lastUpdatePostDateStruct":161,"startDateStruct":163,"completionDateStruct":165,"leadSponsor":167,"locationsCount":52},"100599671","impact-of-preprocedural-stress-ball-use-on-radial-artery-outcomes-in-elective-coronary-angiography-100599671","NCT07087522","Impact of Preprocedural Stress Ball Use on Radial Artery Outcomes in Elective Coronary Angiography","Impact of Preprocedural Stress Ball Use on Radial Artery Outcomes in Elective Coronary Angiography: A Randomized Controlled Trial","SPARROW","Inclusion Criteria:\n\n* Age between 18 and 85 years\n* Elective radial coronary angiography planned\n* Written informed consent provided\n* Ability to understand and comply with the stress ball exercise protocol (3×5 minutes\u002Fday for 3 days prior to procedure)\n* Palpable radial pulse on the planned access site\n\nExclusion Criteria:\n\n* Emergent or urgent coronary procedures\n* Known radial artery occlusion or non-palpable radial pulse on the intended access side\n* Prior arteriovenous fistula or vascular surgery in the ipsilateral arm\n* History of Raynaud's disease, severe peripheral artery disease, or Buerger's disease\n* Neurological or musculoskeletal disorders affecting hand grip (e.g., stroke, advanced arthritis, peripheral neuropathy)\n* Cognitive impairment or psychiatric condition preventing protocol adherence\n* Inability to use hand muscles effectively (e.g., recent hand trauma, paralysis)\n* Unwillingness or inability to perform the stress ball exercises as instructed\n* Pregnancy or breastfeeding","85 Years",{"count":145,"type":21},400,[64],"This randomized, double-blind, controlled trial aims to evaluate the effect of preprocedural hand exercise using a stress ball on the incidence of radial artery spasm and other vascular complications in patients undergoing elective coronary angiography via the transradial approach. A total of 400 adult patients scheduled for elective diagnostic or interventional coronary procedures will be randomly assigned to either an intervention group (preprocedural stress ball exercise) or a control group (standard care). The intervention group will perform hand exercises with a soft stress ball for 5 minutes, three times daily, for three consecutive days prior to the procedure.\n\nThe primary outcomes are the incidence of radial artery spasm during the procedure and the overall rate of radial artery complications.\n\nSecondary outcomes include patient-reported pain score (visual analog scale) during the procedure and the incidence of radial artery occlusion at 7 days, assessed by Doppler ultrasonography.\n\nThis study aims to determine whether this simple, low-cost strategy can reduce radial artery-related complications and improve patient comfort during transradial coronary procedures.",[149,27,26,150,151],"Coronary Arterial Disease (CAD)","Transradial Angiogram","Visual Analog Pain Scale",[153,27,26,154,155,156,157,158],"Radial Artery","Coronary Anjiography","Transradial Approach","Hand Exercise","Stress Ball","Vascular Complications","NOT_YET_RECRUITING","2025-07-18",{"date":162,"type":44},"2025-07-28",{"date":164,"type":21},"2025-09-01",{"date":166,"type":21},"2026-03-31",{"name":168,"class":51},"Sakarya University",{"id":170,"slug":171,"hasResults":11,"nctId":172,"briefTitle":173,"officialTitle":174,"acronym":4,"eligibilityCriteria":175,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":176,"targetDuration":177,"studyType":23,"phases":4,"briefSummary":178,"conditions":179,"keywords":180,"overallStatus":40,"whyStopped":4,"lastUpdateSubmitDate":185,"lastUpdatePostDateStruct":186,"startDateStruct":188,"completionDateStruct":190,"leadSponsor":192,"locationsCount":194},"100434131","radial-artery-occlusion-and-dual-artery-hemostasis-after-transradial-approach-100434131","NCT04933136","Radial Artery Occlusion and Dual Artery Hemostasis After Transradial Approach.","A Prospective Registry for the Evaluation of the Safety, Efficacy and Clinical Impact of the Double Hemostasis System Terry2 (TM) on Patients Undergoing a Trans-radial or Trans-cubital Catheterism.","Inclusion Criteria:\n\n* Any patient referred for diagnostic or interventional catheterization through radial or cubital approach\n\nExclusion Criteria:\n\n* Unable to understand the study design and sign an informed consent\n* Unable to receive antiplatelet therapy with aspirin and\u002For clopidogrel-prasugrel and\u002For ticagrelor and intravenous anticoagulant treatment with heparin or bivalirudin\n* Presence of any local conditions like hematoma or pseudo-aneurysms precluding radial or cubital access.\n* Presence of PPG while simultaneously compressing the radial and cubital arteries (due to collateral branches or interosseous artery), which prevents the establishment of non-occlusive hemostasis with the Terry2(TM) band.",{"count":122,"type":21},"30 Days","* Improving patient comfort and implementing the protocols required to minimize the risk of RAO must be part of quality control.\n* Several procedural parameters are related to the risk of RAO but hemostasis is a critical period.\n* Despite the fact that non-occlusive hemostasis of the radial artery is a recognized and effective technique for reducing the risk of RAO, it is rarely practiced because it is tedious, involves additional care and is not always effective with current hemostasis systems.\n* Prophylactic compression of the cubital artery during radial artery hemostasis has been shown to be effective in maintaining non-occlusive hemostasis but requires 2 devices and does not simplify care procedures.\n* The Terry2™ band is a new dual device that offers effortless non-occlusive radial hemostasis and does not require repeated intervention by nursing staff.\n\nThe primary objectives of this observational study are to demonstrate the benefits, safety and impact on care of using Terry2™ band in patients undergoing diagnostic or interventional catheterization by radial (or ulnar) approach.",[26],[26,181,182,183,184],"Transradial approach","Transulnar approach","Dual artery hemostasis","Patent hemostasis","2025-03-05",{"date":187,"type":44},"2025-03-10",{"date":189,"type":44},"2022-12-12",{"date":191,"type":21},"2025-12-31",{"name":193,"class":51},"Laval University",5,{"id":196,"slug":197,"hasResults":11,"nctId":198,"briefTitle":199,"officialTitle":200,"acronym":201,"eligibilityCriteria":202,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":203,"targetDuration":4,"studyType":62,"phases":205,"briefSummary":207,"conditions":208,"keywords":209,"overallStatus":40,"whyStopped":4,"lastUpdateSubmitDate":215,"lastUpdatePostDateStruct":216,"startDateStruct":218,"completionDateStruct":220,"leadSponsor":222,"locationsCount":52},"100578527","phase-4-effect-of-rivaroxaban-in-radial-artery-occlusion-treatment-after-cardiac-catheterization-100578527","NCT06812455","Effect of RIVAroxaban in Radial Artery Occlusion Treatment After Cardiac Catheterization","Effect of RIVAroxaban in Reducing Radial Artery Occlusion Rate After Transradial Coronary Catheterization","RIVA-RAO","Inclusion Criteria:\n\n1. Patients (both male and female) undergoing a coronary catheterization procedure (both angiography and PCI) through the transradial access and having successfully received at least one radial artery sheath of any size at the end of the procedure\n2. Radial artery occlusion confirmed by ultrasound (2D, Doppler, colour)\n\nExclusion Criteria:\n\n1. Age \\\u003C 18 years\n2. Unable to provide informed written consent\n3. Any contraindication to receive Rivaroxaban",{"count":204,"type":21},80,[206],"PHASE4","The purpose of the RIVA-RAO study is to determine whether the use of Rivaroxaban is an effective treatment of radial artery occlusion (RAO) after cardiac catheterization (both angiography and PCI). This is a prospective, single-center, randomized controlled, open-label study that will randomize patients with RAO into two groups, one receiving Rivaroxaban and the other receiving no anticoagulation. RAO will be detected by radial artery ultrasound up to 24 hours after the procedure.\n\nStudy objectives:\n\nPrimary objective:\n\nTo evaluate the effect of treatment with Rivaroxaban, in patients (both symptomatic and asymptomatic) with RAO after a coronary catheterization procedure (both angiography and percutaneous coronary intervention-PCI), in improving patency rates of the radial artery at 4 weeks after the procedure, compared with no-anticoagulation treatment.\n\nSecondary objectives:\n\nTo compare local access site and systemic complications (bleeding events, pseudoaneurysm, arteriovenous fistula) at 4 weeks after the procedure between the two groups.",[26],[210,211,212,213,214],"radial artery occlusion","complications","transradial","coronary catheterization","treatment","2025-02-09",{"date":217,"type":44},"2025-02-11",{"date":219,"type":21},"2025-03-01",{"date":221,"type":21},"2029-03-01",{"name":223,"class":51},"AHEPA University Hospital"]