CLINICAL TRIALS PROFILE FOR ATENOLOL AND CHLORTHALIDONE
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All Clinical Trials for ATENOLOL AND CHLORTHALIDONE
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00000513 ↗ | Trial of Antihypertensive Intervention Management | Completed | National Heart, Lung, and Blood Institute (NHLBI) | Phase 3 | 1984-04-01 | The objective of the Trial of Antihypertensive Intervention Management (TAIM) was to determine the efficacy of dietary management and/or drug therapy, namely thiazide-like diuretics or a beta-blocker, in the control of mild hypertension. Additionally, the Continuation of the Trial of Antihypertensive Intervention Management (COTAIM) tested the effects of long-term weight reduction, and sodium/potassium changes added to weight reduction, as well as the original drug treatment, on the failure rate of blood pressure control. |
| NCT00000514 ↗ | Systolic Hypertension in the Elderly Program (SHEP) | Completed | National Institute on Aging (NIA) | Phase 3 | 1984-06-01 | The primary objective was to assess whether long-term administration of antihypertensive therapy to elderly subjects with isolated systolic hypertension reduced the combined incidence of fatal and non-fatal stroke. The secondary objectives were to evaluate: the effect of long-term antihypertensive therapy on mortality from any cause in elderly people with isolated systolic hypertension; possible adverse effects of chronic use of antihypertensive drug treatment in this population; the effect of therapy on indices of quality-of-life; the natural history of isolated systolic hypertension in the placebo population. |
| NCT00000514 ↗ | Systolic Hypertension in the Elderly Program (SHEP) | Completed | National Heart, Lung, and Blood Institute (NHLBI) | Phase 3 | 1984-06-01 | The primary objective was to assess whether long-term administration of antihypertensive therapy to elderly subjects with isolated systolic hypertension reduced the combined incidence of fatal and non-fatal stroke. The secondary objectives were to evaluate: the effect of long-term antihypertensive therapy on mortality from any cause in elderly people with isolated systolic hypertension; possible adverse effects of chronic use of antihypertensive drug treatment in this population; the effect of therapy on indices of quality-of-life; the natural history of isolated systolic hypertension in the placebo population. |
| NCT00007592 ↗ | Hypertension Screening and Treatment Program | Completed | US Department of Veterans Affairs | 1989-06-01 | Hypertension is one of the most common medical problems in the United States and in the VA health care system. It has been well-documented that hypertension can be effectively treated. However, there remain important unresolved clinical questions in the area of antihypertensive treatment. For example, how much is mortality affected by visit compliance, blood pressure control and type of antihypertensive agent? Or, are some regimens associated with more morbidity than others? Or, are there inexpensive regimens that are as effective as more expensive regimens? The amount of data that is available from this demonstration project (currently 6,100 patients) will help address these questions. The answers to these questions should result in better care for veterans with hypertension. | |
| NCT00007592 ↗ | Hypertension Screening and Treatment Program | Completed | VA Office of Research and Development | 1989-06-01 | Hypertension is one of the most common medical problems in the United States and in the VA health care system. It has been well-documented that hypertension can be effectively treated. However, there remain important unresolved clinical questions in the area of antihypertensive treatment. For example, how much is mortality affected by visit compliance, blood pressure control and type of antihypertensive agent? Or, are some regimens associated with more morbidity than others? Or, are there inexpensive regimens that are as effective as more expensive regimens? The amount of data that is available from this demonstration project (currently 6,100 patients) will help address these questions. The answers to these questions should result in better care for veterans with hypertension. | |
| NCT00408512 ↗ | Pharmacosurveillance and Pharmacogenetics of First-line Diuretics in Hypertension: The StayOnDiur Study | Completed | Agenzia Italiana del Farmaco | Phase 4 | 2006-12-01 | Background: The use of thiazide diuretics in the treatment of hypertension (HT) is widely considered a first line treatment, given the efficacy and low cost of this class of drugs. This indication is not unanimous, because thiazides can cause metabolic alterations and other side effects increasing cardiac and cerebrovascular risk, which reduce compliance to treatment and increase health care system cost. However, large intervention trials in HT suggest that the improvement in cardiovascular prognosis of HT patients depends more on follow-up procedures than on type of drug used. Furthermore, the investigators have documented improved compliance to antihypertensive therapy by implementing cooperation between general practitioners (GPs) and HT specialists. Objectives: In a multicenter, open label randomized study the investigators will compare the persistence on therapy of thiazides versus other treatments, as a first line antihypertensive therapy, in a clinical setting characterized by a strict cooperation between GPs and HT specialist. The investigators will also analyse candidate genes with impact on drug-induced metabolic alterations to elucidate the pathophysiology of these phenomena. Methods: 260 GPs will recruit 2600 hypertensive patients with indication to pharmacological treatment and randomise them to starting treatment with chlortalidone (12.5 to 25 mg daily, 1300 pts) or a GP decided single drug (excluding thiazides) or combination therapy at highest tolerated dose. In both groups any other class of antihypertensive drugs can be added over time in order to achieve blood pressure control (<140/90 mmHg). Follow-up will last 2 years. Blood sample and urine analyses, carotid and cardiac ultrasound will be performed at baseline and scheduled time points. Genotyping will be performed by sequencing. Data will be collected and stored using a web based centralized Case Report Form (CRF) Expected results: Results will highlight whether a follow-up strategy based on tight cooperation between GPs and HT specialists can allow the use of thiazides as first line antihypertensive therapy without any negative effect on persistence, adherence and efficacy of the treatment. These data can be used to reduce total burden of the Health Care System in HT by replacing more expensive drugs with diuretics in the 50% of hypertensive patients, who do not receive this class of drugs. Furthermore, the pharmacogenetic approach may clarify the pathophysiological mechanisms of drug-induced metabolic side effects |
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