133 Clinical Trials for Various Conditions
Collect confirmatory evidence of the safety and effectiveness of the Balloon LIFESTREAM™ Stent Graft for the treatment of stenoses and occlusion in the iliac arteries.
The primary objective is to evaluate safety and tolerability of single and repeated administrations of escalating doses of NV1FGF administered intramuscularly in patients with severe Peripheral Artery Occlusive Disease (PAOD), (Rutherford's Grade II, category 4 or Grade III, category 5 and 6). Secondary objectives are: * To determine the biological activity of NV1FGF on collateral artery development. * To evaluate the activity of NV1FGF on hemodynamic and clinical parameters.
The primary objective is to evaluate the transgene expression (synthesis of FGF-1 mRNA) in injected tissue, at injection site, after Intra Muscular (IM) administration of increasing single doses of NV1FGF. Secondary objectives : * To evaluate the safety and tolerability of IM administration of increasing single doses of NV1FGF * To evaluate the transgene expression (FGF-1 protein) in injected tissues (injection site and remote site) * To evaluate the presence of FGF-1 receptors in injected tissues (injection site and remote site) * To evaluate the NV1FGF biodistribution in injected tissues (injection site and remote site), in multiple organs/tissues when appropriate, and plasma * To evaluate the transgene expression (synthesis of FGF-1 mRNA) in injected tissue at remote site * To collect data from plasma NV1FGF pharmacokinetics * To evaluate healing of the amputation site
Peripheral Arterial Occlusive Disease (PAOD) is a condition caused by ischemia in the legs due to atherosclerotic disease affecting the larger arteries of the legs. Chronic PAOD can be regarded as a marker of generalized atherosclerosis. PAOD threatens the survival of an extremity and often causes lifelong disablement from a painful leg. The clinical consequences of PAOD include pain on walking (claudication), pain at rest and loss of tissue integrity in the distal limbs.A variety of medical therapies have been investigated for patients with PAOD. There is currently no evidence to suggest that any medical therapy is effective for patients with rest pain and/or ischemic ulcers. Also, the use of intramuscular angiogenic VEGF-A gene transfer has recently demonstrated a improvement in clinical and hemodynamic status in patients with severe PAOD
This study is a comparison of two different ways to treat blockage in the artery of the thigh. The first is an older way with incisions in the groin and just above the knee. A plastic tube is then inserted to make a bypass from the groin to the knee. The second treatment offered is through a needle hole in the groin. A thin plastic tube covering a metal stent is inserted into the artery and released to bypass the blockage from inside the artery. No incisions are needed. Patients are enrolled and then selected for one treatment method or another by chance. The patients will be followed for two years to see how the two different treatment methods work compared to each other.
This is the first clinical research trial in which intravenous Prostaglandin E1 (PGE1 is a vasoactive hormone) will be used as supportive treatment along with the angioplasty procedure to treat or open up a blocked artery within one lower limb or the most affected of two limbs in subjects with Peripheral Arterial Occlusive Disease.
The object of the study is to determine whether different doses of PZ-128, when added to standard medical care in persons undergoing cardiac catheterization/percutaneous coronary intervention, will increase the risk of bleeding. A secondary objective is to determine whether patients treated with PZ-128 have fewer cardiac events such as heart attack, bypass surgery or stroke compared with those persons treated with the standard of care.
This study compares cognitive function after carotid endarterectomy and stenting.
Peripheral artery disease (PAD) results in blockages of arteries (blood vessels) in the legs and decreased blood flow to the legs. This may cause difficulty or pain with walking or other activities that use leg muscles. Exercise may help improve blood flow in the legs and improve the ability to walk. This research project is being implemented in adults with PAD to examine the effects of exercise or weight loss programs on lower extremity blood flow, health, and physical function.
The purpose of this study is to evaluate acute and long term clinical and economic outcomes of endovascular procedures to treat Peripheral Arterial Disease (PAD).
The primary objective is to assess safety and efficacy of two different doses of NV1FGF as compared to placebo. The secondary objective is to assess the pharmacokinetics of NV1FGF and FGF-1 protein.
The objective of this study is to collect retrospectively long term safety data in patients who have participated in the previous phase I-II trials conducted with the compound.
To demonstrate the patency and safety of vascular grafts: EXXCEL and FUSION Bioline.
No significant differences is expected in observed motion artifacts, heat or pain reported during peripheral DSA performed for diagnostic and/or endovascular therapeutic purposes.
The purpose of this study is to evaluate the diagnostic accuracy of multi-detector computed tomography using 320 detectors for identifying the combination of coronary artery stenosis ≥ 50% and a corresponding myocardium perfusion defect in a patient with suspected coronary artery disease compared with conventional coronary angiography and single photon emission computed tomography myocardium perfusion imaging.
The primary patency of the GORE PROPATEN Vascular Graft is equivalent to or better than disadvantaged autologous vein graft in an infragenicular peripheral bypass application at 12 months.
The purpose of this study is to evaluate the safety of increasing doses of intra-thrombus Plasmin (Human) in acute peripheral arterial occlusion (aPAO). The ability of these Plasmin doses to dissolve the clots will be estimated by arteriography.
The rise of minimal access surgery has heralded the approval of a number of endovascular devices with similar indications. This is particularly true for the treatment of lower extremity ischemia. Comparable devices are selected for patient use somewhat arbitrarily, often dependent on industry influence. An unmet need is NON-industry sponsored prospective trials COMPARING devices head-to-head so that endovascular surgeons can even contemplate evidence-based device selection. At present, we seek to compare two new high-technology devices that are indicated to treat lower extremity arterial stenoses associated with claudication.
The purpose of this study is to directly compare the safety and efficacy of intra-thrombus alfimeprase 0.3 mg/kg with placebo in acute peripheral arterial occlusion (PAO) as measured by a 30 day open vascular free surgery rate.
The objective of this study is to test the hypothesis that AMG0001 treatment is safe and induces angiogenesis as detected by improved wound healing, reduction in amputation, improved pain at rest and hemodynamic measurement and to assess the effectiveness of the administrative method.
This trial will test the hypothesis that inflammation and insulin resistance contribute to reduced walking distance in subjects with intermittent claudication by impairing vascular reactivity and skeletal muscle metabolic function.
The purpose of this study is to directly compare the safety and efficacy of intra-thrombus alfimeprase 0.3 mg/kg with placebo in acute peripheral arterial occlusion (PAO) as measured by a 30 day open vascular free surgery rate.
This study aims to develop and refine the use of an intravascular wire to image plaque in the aorta, iliac and femoral artery using MRI. This project aims to use this increased resolution to identify the features within the plaque that is known to be associated with increased risk of plaque and vessel occlusion. The hypothesis is Intravascular MRI can detect and measure changes in response to therapy over time in the critical features in plaques in peripheral arteries of patients with atherosclerosis.
This trial is for patients with acute occlusion of one of the arteries supplying blood to the leg. The trial is designed to determine the safety and activity of a novel clot dissolving (thrombolytic) drug (alfimeprase).
The primary purpose of this study was to assess the overall safety of different dose regimens of AMG0001 (HGF transferred via plasmid vector) as well as evaluate the improvement of blood perfusion in subjects with critical limb ischemia (CLI). This study also evaluated the improvement in wound healing without adverse effects on the quality of life, as well as the potential reduction of amputation, mortality and rest pain in the CLI population.
The purpose of this study is to investigate whether the susceptibility of subjects to atherosclerosis is influenced by prior CMV exposure, whether the susceptability to endothelial dysfunction in patients with and in patients without atherosclerosis is influenced by prior CMV exposure.
The purpose of this study is to test the effects of leg exercise assistive paddling (LEAP) therapy during prolonged sitting (PS) on vascular and functional performance in those with peripheral artery disease (PAD) and age-matched controls. LEAP therapy is a novel application of passive limb movement to enhance blood flow through the legs without muscular contractions. Specifically, LEAP therapy is the rotational passive movement of the lower leg about the knee from 90 to 180 degrees of rotation at a cadence of 1Hz. Previous literature has indicated that this movement pattern can produce robust increases in blood flow in the passively moved limb in healthy individuals, and passive limb movement may protect vascular function during PS. However, the impact of LEAP therapy to improve blood flow in the legs of those with PAD during PS is unknown. Participants will participate in a randomized cross-over design study with 2 visits (LEAP therapy and no LEAP therapy). For the first visit, participants will be randomly allocated to receive LEAP therapy during 2.5 hours of PS or not. For the second visit, participants will sit for 2.5 hours and will receive the condition that they did not previously receive. Before and after PS, the following measurements will be made: flow-mediated dilation of the popliteal and brachial arteries, arterial stiffness with tonometry techniques, microvascular vasodilatory capacity and skeletal muscle metabolic rate with near-infrared spectroscopy, autonomic nervous system function, and there will be blood drawn from the antecubital vein. After PS, participants will participate in a graded exercise test to assess functional walking capacity. Finally, during PS, near-infrared spectroscopy on the calf muscles and electrocardiogram will be collected continuously to monitor muscle oxygen availability and autonomic activity, respectively.
Peripheral artery disease (PAD) is associated with elevated oxidative stress, and oxidative stress has been implicated as the cause of reduced endothelial reactivity in individuals with PAD. Endothelial function is important because the endothelium contributes to the dilation of arteries during exercise, thereby implicating impaired endothelial function as a mechanism contributing to exacerbated exercise-induced ischemia. Therefore, the purpose of this study is to test the hypothesis that acute exogenous diroximel fumarate (Vumerity) intake will improve antioxidant capacity, thereby reducing oxidative stress and improving vascular function and walking capacity in those with PAD. During this study, participants will be administered diroximel fumarate or a placebo, and the acute effects of diroximel fumarate on vascular function and walking capacity will be assessed. Vascular function and walking capacity will be assessed with flow-mediated dilation, arterial stiffness, head-up tilt test, blood biomarkers, near-infrared spectroscopy, and a treadmill test. There will be a follow-up visit to assess blood work after diroximel fumarate.
This is a study of biomarkers obtained from prospectively collected subject samples and their correlation with cardiovascular and metabolic diseases. The purpose of this initiative is to develop an enduring tool to allow for collaborative research between clinicians at Cleveland Clinic Main Campus and basic scientists at the Lerner Research Institute. This collaboration will allow resources to be available to clinical and basic researchers alike. This tool will enable research of vascular disease in the Vascular Lab and will leverage this valuable asset to the fullest extent to allow for interdepartmental collaboration.
Prospective, observational study evaluating the clinical use and outcomes of the FLEX Vessel Prep (VP) system in arteriovenous fistulae or grafts presenting with clinical or hemodynamic abnormalities following 12 months post treatment.