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Stent Thrombosis clinical trials

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NCT ID: NCT06318481 Recruiting - Clinical trials for Myocardial Infarction, Acute

TADCLOT- a Double Blind Randomized Controlled Trial

TADCLOT
Start date: February 15, 2024
Phase: Phase 3
Study type: Interventional

Compare the safety and efficacy of a twice-daily Clopidogrel regimen vs. Ticagrelor in reducing major adverse events in patients undergoing primary PCI in a double-blind randomized controlled trial.

NCT ID: NCT06075602 Recruiting - Clinical trials for Coronary Artery Disease

COMPLEX Registry - A Prospective COhort Study to Describe the Management and Outcomes of Patients Presenting With compLEX and Calcified Coronary Artery Disease

COMPLEX
Start date: November 1, 2021
Phase:
Study type: Observational [Patient Registry]

The purpose of the COMPLEX Registry is to prospectively and retrospectively collect baseline, clinical and procedural data of patients who have undergone PCI or CABG for complex and/ or calcified chronic CAD, irrespective of clinical presentation as well as to prospectively collect data about their clinical outcomes. The outcomes will be compared in different clinical subgroups (e.g. PCI vs. CABG). The impact of current PCI techniques/ devices, but also CABG strategies in different clinical settings and coronary artery lesions on cardiovascular outcomes will be assessed.

NCT ID: NCT05244629 Recruiting - Stent Thrombosis Clinical Trials

Copenhagen Mesenteric Stent Study - A Randomized Trial of Stent Versus Covered Stent Treatment for Chronic Mesenteric Ischemia

COMESS
Start date: June 2023
Phase: N/A
Study type: Interventional

Chronic mesenteric ischemia (CMI) is often caused by narrowings in the arteries providing blood to the intestines. Endovascular stent placement is considered the preferred treatment for this condition. Guidelines increasingly support the use of so called covered stents (CS) in stead of bare stents (BMS) for this use but the level of evidence for this is limited. Using CS incur additional costs for healthcare short-term but may prevent recurrence of narrowing and symptoms postoperatively benefitting patients and healthcare. Study Objective: To evaluate the outcomes after stenting of mesenteric arteries using BMS or CS. Study Outcome: Primary stent patency 1 year after placement The trial will also evaluate complications, how often stents need to be reoperated, Quality of Life (QoL) and reasons for subjects death Method: This is a so called prospective, randomized controlled trial comparing CS vs. BMS. This means that one patients have agrred to treatment they will be randomly selected for treatment with either CS or BMS . The stent metal structure is identical in the two implants and the only difference is the graft covering, making this study unique. The study will also collect blood samples for a biobank that will be used to study markers of disease and how these effect treatment outcomes. All patients referred to the Department of Vascular Surgery due to CMI are considered for inclusion if they havechronic symptoms consistent with CMI, significant stenosis or occlusion of the superior mesenteric artery and are > 18 years Subjects not able to provide informed consent or who have non atherosclerotic cause of CMI, signs of acute loss of blood flow to the intestines cannot participate. Previous stent treatment in the superior mesenteric artery, pregnancy, allergies to contrast or stent materials are also reasons for not being included in this trial. Side effects, risks and disadvantages for participants The risk for procedure-related complications is less than 5% and similar in both study groups. Most short-term complications are related to vascular access sites and consist of local bleeding and thrombosis. Other potential complications include impaired renal function due to contrast use, contrast allergy, arterial dissection and death.

NCT ID: NCT04988685 Recruiting - Clinical trials for Coronary Artery Disease

SIROOP Registry - A Prospective Registry Study to Evaluate the Outcomes of Coronary Artery Disease Patients Treated With SIROlimus Or Paclitaxel Eluting Balloon Catheters

SIROOP
Start date: June 1, 2021
Phase:
Study type: Observational [Patient Registry]

The purpose of the SIROOP Registry is to retrospectively and prospectively collect baseline, clinical and procedural characteristics of patients who have undergone PCI and are treated with either currently available sirolimus or paclitaxel coated DCBs (see Table 1), irrespective of clinical presentation as well as to prospectively collect data about their clinical outcomes. Outcomes will be compared in different clinical subgroups. The impact of current DCBs in different clinical settings and coronary artery lesions on cardiovascular outcomes will be assessed.

NCT ID: NCT04436978 Recruiting - Stroke Clinical Trials

What is the Optimal Antithrombotic Strategy in Patients With Atrial Fibrillation Undergoing PCI?

WOEST-3
Start date: January 11, 2023
Phase: Phase 4
Study type: Interventional

The optimal antithrombotic management in patients with coronary artery disease (CAD) and concomitant atrial fibrillation (AF) is unknown. AF patients are treated with oral anticoagulation (OAC) to prevent ischemic stroke and systemic embolism and patients undergoing percutaneous coronary intervention (PCI) are treated with dual antiplatelet therapy (DAPT), i.e. aspirin plus P2Y12 inhibitor, to prevent stent thrombosis (ST) and myocardial infarction (MI). Patients with AF undergoing PCI were traditionally treated with triple antithrombotic therapy (TAT, i.e. OAC plus aspirin and P2Y12 inhibitor) to prevent ischemic complications. However, TAT doubles or even triples the risk of major bleeding complications. More recently, several clinical studies demonstrated that omitting aspirin, a strategy known as dual antithrombotic therapy (DAT) is safer compared to TAT with comparable efficacy. However, pooled evidence from recent meta-analyses suggests that patients treated with DAT are at increased risk of MI and ST. Insights from the AUGUSTUS trial showed that aspirin added to OAC and clopidogrel for 30 days, but not thereafter, resulted in fewer severe ischemic events. This finding emphasizes the relevance of early aspirin administration on ischemic benefit, also reflected in the current ESC guideline. However, because we consider the bleeding risk of TAT unacceptably high, we propose to use a short course of DAPT (omitting OAC for 1 month). There is evidence from the BRIDGE study that a short period of omitting OAC is safe in patients with AF. In this study, these patients are treated with DAPT, which also prevents stroke, albeit not as effective as OAC. This temporary interruption of OAC will allow aspirin treatment in the first month post-PCI where the risk of both bleeding and stent thrombosis is greatest. The WOEST 3 trial is a multicentre, open-label, randomised controlled trial investigating the safety and efficacy of one month DAPT compared to guideline-directed therapy consisting of OAC and P2Y12 inhibitor combined with aspirin up to 30 days. We hypothesise that the use of short course DAPT is superior in bleeding and non-inferior in preventing ischemic events. The primary safety endpoint is major or clinically relevant non-major bleeding as defined by the ISTH at 6 weeks after PCI. The primary efficacy endpoint is a composite of all-cause death, myocardial infarction, stroke, systemic embolism, or stent thrombosis at 6 weeks after PCI.