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Browse 3,518 clinical trials for hypertension. Find studies that match your criteria and connect with research centers.
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NCT00626041
High blood pressure, elevated blood glucose and high cholesterol are related to the increased risk of stroke and heart disease. Many studies have shown that this risk can be significantly reduced by lowering blood pressure, blood glucose and cholesterol levels. Through a collaborative effort between Calgary Safeway pharmacists and Calgary Health Region family physician PCN's, U-CHAMP will deliver a program to assist in the identification and management of people with elevated blood pressure, blood glucose and cholesterol and through this effort, reduce the risk of heart disease and stroke in the urban Calgary population aged 18-85 years.
NCT00868972
Atherosclerotic renal artery stenosis (ARAS) is associated with progressive loss of renal function, refractory hypertension and flushing edema, responsible for mortality and morbidity, especially in the elderly. Current treatment includes restoration of the renal arterial lumen by endovascular stent placement and/or intensive medical therapy. There is no unanimous consent on which patients could benefice of the endovascular procedure due to the high rate of renal adverse events especially linked to atheroembolic disease. Recently, renal revascularization using a device which consents distal embolic protection of the kidney demonstrated to be a "safe" auxiliary procedure in a few non randomized studies. Interestingly atheromatous debris was detected in 60 to 80% of these devices analyzed after the procedure suggesting that these devices could prevent atheroembolism in a substantial proportion of patients. On the other hand, only a randomized controlled study can prove that renal stent with distal embolic protection is superior to renal stent alone in preserving kidney function. Therefore, the present study aims to compare the effects of renal artery stent placement with or without distal embolic protection on renal function in ARAS patients. Method: Patients with an ARAS of ≥70% and hypertension not responsive to at least 2 antihypertensive medications and/or renal failure (estimated GFR \<60 mL/min/1.73 m2 are randomly assigned to stent placement alone or stent placement with distal embolic protection (FILTER WIRE EX; Cordis Endovascular, USA). Other medications consist of statins, anti-hypertensive drugs and antiplatelet therapy. Patients are followed for 3 months. The primary outcome of this study is a statistical significant difference in kidney function measured as Cr clearance and cystatin C level in the 2 groups at three months. The trial will include 150 patients.