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Browse 3,009 clinical trials for hypertension. Find studies that match your criteria and connect with research centers.
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Showing 2301-2320 of 3,009 trials
NCT01275352
This study will consist of middle-aged Caucasian non-failing subjects with high blood pressure who are homozygous for a gene that confers increased risk of developing heart failure, the Glycine 83 variant of the Ka renal chloride channel (ClC-Ka Gly/Gly 83), or middle-aged Caucasian non-failing hypertensive subjects who lack the heart failure risk gene, the wild-type Arginine 83 Ka renal chloride channel (ClC-Ka Arg/Arg 83). Subjects on standard therapy for high blood pressure with an angiotensin converting inhibitor (ACEI) or angiotensin receptor blocker (ARB) will be randomized to additional treatment with eplerenone (an aldosterone antagonist) or placebo, and assessed for changes in echocardiographic left ventricular hypertrophy (LVMI). Secondary endpoints will assess left ventricular remodeling and other echocardiographic variables. The investigators hypothesize that subjects homozygous for the CLCNKA risk allele will have a greater response to eplerenone in terms of reductions in LVMI than those lacking the risk allele.
NCT01089452
This study is looking to evaluate which drug combination, olmesartan/amlodipine or perindopril/amlodipine, is better at lowering blood pressure in people with mild to moderate hypertension. The investigators will be enrolling people who are either currently taking medication to lower their blood pressure or who have been recently diagnosed with high blood pressure and are not yet on medication. Patients on medication for their blood pressure will be asked to stop taking this medication for 2 to 4 weeks. If their blood pressure is suitable (not too high or low) they will be randomised to one of their treatment arm: Group 1 will receive Perindopril on its own (5mg for 4 weeks followed by 10mg for 8 weeks). There will be 80 patients in this group. Group 2 will receive Perindopril and Amlodipine together (5mg/5mg for 4 weeks, 10mg/5mg for a further 4 weeks then 10mg/10mg for the final 4 weeks). There will be 80 patient in this group. Group 3 will receive Olmesartan and Amlodipine together (20mg/5mg for 4 weeks, 40mg/5mg for a further 4 weeks then 40mg/10mg for the final 4 weeks). There will be 120 patients in this group. During the study we will measure the patients blood pressure and heart rate, weight and perform routine blood tests. They will also have ECGs (3 occasions) and 24 hour blood pressure monitor (4 occasions). At the end of the study patients pre-study medication will be restarted or they will be put on to a suitable alternative.