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To test whether the current custom of initiating treatment for hypertension with a single drug is less effective in the short-term than initial combination therapy, and results in the eventual need for comparatively more antihypertensive drug therapy.
To determine if patients randomised to more aggressive (combination therapy) treatment for the initial treatment of hypertension have better blood pressure control compared to those randomised to less aggressive (monotherapy) treatment despite subsequent add-on treatment being similar in each group. This will test the hypothesis that monotherapy patients 'never catch up' with combination therapy patients.
1. To determine if this 'never catch-up' phenomenon of improved BP control persists for at least one year.
2. To understand the underlying mechanism of improved BP control; specifically:
1. To determine if it is due to haemodynamic compensation, such as increased sodium retention and volume expansion.
2. To determine if it is due to increased peripheral resistance.
3. To understand the predictors of BP control i.e. age, baseline renin status, sodium status and plasma volume.
4. To validate the National Institute for Clinical Excellence / British Hypertension Society joint guideline ACD algorithm by comparing BP control in the monotherapy crossover arm of phase 1 and to correlate this with age (≤ 55 or > 55y), and baseline characteristics such as renin.
5. To determine the safety and tolerability of a strategy of prescribing combination therapy as the initial step versus monotherapy as the initial step.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
Losartan and hydrochlorothiazide, Hydrochlorothiazide switched over with Losartan at 8 weeks
Professor Morris Brown
Not yet recruiting
University of Cambridge
Published on BioPortfolio: 2014-07-24T14:11:15-0400
To demonstrate that Telmisartan combined with Hydrochlorothiazide (MICARDIS® HCT) is superior to Losartan with Hydrochlorothiazide (Hyzaar®) in lowering blood pressure in mild-moderate h...
The purpose of this study is to compare the effect and safety of the antihypertensive combination therapies between losartan/amlodipine and fixed dose drug of losartan/hydrochlorothiazide.
BP-EASE -Effectiveness of Losartan 50 mg/Hydrochlorothiazide (HCTZ) 12.5 mg Versus Valsartan 80 mg/HCTZ 12.5 mg Titrated as Needed in Patients With Essential Hypertension Not Controlled on Monotherapy
To evaluate the blood pressure efficacy between losartan and valsartan at equivalent dosage during a 3 months treatment.
An efficacy and safety study of hydrochlorothiazide (+) losartan potassium compared to amlodipine at week 12 in Korean patients with essential hypertension
The objective of this study was to prove the bioequivalence of losartan potassium/hydrochlorothiazide 100/25 mg tablet under fed conditions.
Ginkgo leaf tablets (GLTs) and losartan are often simultaneously used for the treatment of hypertension in Chinese clinics. However, the herb-drug interaction between GLT and losartan is still unknown...
There is an unmet need to prevent cardiovascular disease and chronic kidney disease development and progression worldwide. Losartan, the first angiotensin receptor blocker, was shown to exert signific...
Hydrochlorothiazide use has been associated with markedly increased risk of squamous cell carcinoma. No previous studies have investigated the association between hydrochlorothiazide use and the risk ...
The immune mechanism involved in the reaction to hydrochlorothiazide, which is widely used to control hypertension, is unknown. The short latency period between the take of the drug and the onset of s...
An athlete contested an adverse analytical finding involving hydrochlorothiazide, and requested our laboratory for testing his hair. As there is no reference in the literature about identification of ...
An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.
A thiazide diuretic with properties similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p830)
A thiazide diuretic with actions and uses similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p826)
A thiazide diuretic with properties similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p825)
A thiazide diuretic with actions and uses similar to those of HYDROCHLOROTHIAZIDE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p822)
Pulmonary arterial hypertension (PAH) is a chronic, life-threatening disorder characterized by abnormally high blood pressure in the arteries between the heart and lungs of affected individuals. Symptoms can range from mild breathles...
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