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Hypertension clinical trials

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NCT ID: NCT03810586 Not yet recruiting - Hypertension Clinical Trials

Comparing PPG-based Blood Pressure Measurement to the Gold Standard Manometer

Start date: February 2019
Phase: N/A
Study type: Interventional

Continuous blood pressure (BP) measurement is in use today with an ambulatory, sphygmomanometer-based, device. This device, also called BP Holter, gives essential data for the clinician, allowing better hypertension (HTN) diagnosis and treatment. Alongside, the device has some substantial limitations preventing its use as a longer term BP monitoring allowing better HTN control. A new method of continuous BP monitoring, based on photo plethysmography (PPG), has been invented to ease patients' use and increase their responsiveness. This study aims to check whether the new, PPG-based method, of BP measurement can be as good as the current, gold standard, sphygmomanometer-based device.

NCT ID: NCT03810482 Not yet recruiting - Clinical trials for Hypertension, Pulmonary

Pedometers and Walking Tests for Pulmonary Hypertension Patients

HTAPODO
Start date: March 1, 2019
Phase: N/A
Study type: Interventional

Concordance between walking tests and pedometer data may seem like a logical outcome for pulmonary hypertension (PH) patients. However, many individuals have discordant results: results much worse or better during an in-hospital walking test as compared to real life activity. The primary objective of this study is: to determine variables associated with discordance between the distance walked during an in-hospital 6-minute walking test (6MWT) and the average distance travelled per day (observed over a period of 28 days (2 × 14 days) using a pedometer) among PH patients.

NCT ID: NCT03810443 Not yet recruiting - Clinical trials for Pulmonary Arterial Hypertension

Prevalence of the Hyperventilation Syndrome in Pulmonary Arterial Hypertension

HYPER2
Start date: January 14, 2019
Phase: N/A
Study type: Interventional

Dyspnea is a major symptom in pulmonary arterial hypertension and people with the same haemodynamic have generally different degree of dyspnea in pulmonary arterial hypertension. The hyperventilation syndrome is a frequent cause of dyspnea in general population and in respiratory diseases like asthma but has never been studied in pulmonary hypertension. The goal of this study is to measure the prevalence of pulmonary hypertension in a population of patients with controlled pulmonary arterial hypertension (PAH).

NCT ID: NCT03809884 Not yet recruiting - Hypertension Clinical Trials

Dietary Counseling or Potassium Supplement to Increase Potassium Intake in Patients With High Blood Pressure

Start date: February 2019
Phase: Phase 3
Study type: Interventional

High blood pressure is the leading cause of cardiovascular disease worldwide. Many medicines are available to lower blood pressures successfully, as well as many non-medical options, such as dietary changes. Some effective dietary changes include decreasing sodium and increasing potassium in the diet. A lot of focus has been on sodium intake yet; potassium intake in the diet remains low amongst adult Canadians. Excellent data exist in the published research reporting that increasing potassium intake, either as diet or even as supplements, reduces blood pressure and reduces risk of cardiovascular outcomes such as stroke. The overall purpose of this study is to reveal the most effective way of increasing potassium, amongst participants with high blood pressure whose existing intake of potassium is low. In the first stage, participants with high blood pressure and proven low potassium intake will receive dietary counselling. If after 4 weeks, there has not been a desired increase in potassium intake, the patients will be prescribed an additional potassium supplement.

NCT ID: NCT03809650 Recruiting - Clinical trials for Chronic Thromboembolic Pulmonary Hypertension (CTEPH)

A Clinical Study to Find Out if Macitentan is Effective and Safe in Japanese Patients With Chronic Thromboembolic Pulmonary Hypertension (CTEPH).

Start date: January 8, 2019
Phase: Phase 3
Study type: Interventional

The endothelin receptor antagonist macitentan showed significant improvement compared with placebo in pulmonary vascular resistance (PVR) and 6-minute walking distance (6MWD) in inoperable CTEPH patients in the phase II MERIT-1 trial (AC-055E201, NCT02021292). However, in the MERIT-1 trial Japanese patients were not included. Therefore, in line with Japan's medical environment, this phase III study is to confirm the efficacy and safety of macitentan in Japanese CTEPH patients.

NCT ID: NCT03809156 Recruiting - Clinical trials for Pulmonary Hypertension

Upfront Combination Pulmonary Arterial Hypertension Therapy

Start date: April 26, 2016
Phase: Phase 4
Study type: Interventional

To evaluate the safety and efficacy of first-line combination therapy using riociguat with ambrisentan in patients with Pulmonary Arterial Hypertension (PAH).

NCT ID: NCT03808688 Recruiting - Ocular Hypertension Clinical Trials

Study of Rhopressa® for the Reduction of Elevated Intraocular Pressure in Patients With Glaucoma or Ocular Hypertension in a Real-world Setting

Start date: December 27, 2018
Phase: Phase 4
Study type: Interventional

To evaluate the IOP lowering efficacy of netarsudil ophthalmic solution 0.02% when used as monotherapy or when used concomitantly with other IOP-lowering agents in subjects with elevated IOP due to open angle glaucoma or ocular hypertension in a real-world clinical setting. The study is an open-label design. The patients will receive treatment for 12 weeks.

NCT ID: NCT03806907 Not yet recruiting - Clinical trials for Chronic Thromboembolic Pulmonary Hypertension

IodiNe SubtracTion mappInG in the diAgnosis of Chronic Pulmonary ThromboEmbolic Disease (INSTIGATE)

INSTIGATE
Start date: April 1, 2019
Phase:
Study type: Observational

Chronic thromboembolic pulmonary hypertension (CTEPH) is a severe but treatable disease that is commonly underdiagnosed. Computed tomography lung subtraction iodine mapping (CT-LSIM) in addition to standard CT pulmonary angiography (CTPA) may improve the evaluation of suspected chronic pulmonary embolism and improve the diagnostic pick up rate. We aim to recruit 100 patients suspected of having CTEPH and perform CT-LSIM scans in addition to the current gold standard test of nuclear medicine test (lung single photon emission computed tomography (SPECT) imaging) as a pilot study which will contribute to and inform the definitive trial. The diagnostic accuracy of CT-LSIM and lung SPECT will be compared. The primary outcome of the full definitive study is non-inferiority of CT-LSIM versus lung SPECT imaging.

NCT ID: NCT03804801 Not yet recruiting - Clinical trials for Elevated Blood Pressure

Effect of Hibiscus Sabdariffa on Blood Pressure in a University Population

Start date: February 1, 2019
Phase: Phase 4
Study type: Interventional

Hypertension, also known as high blood pressure, is a very common disease and is considered "the silent killer". Hypertension is responsible for at least 45% of deaths due to heart disease, and 51% of deaths due to stroke. Hypertension plays a part in the worry of heart disease, stroke and kidney failure and premature mortality and disability. If hypertension goes uncontrolled, in the long term, it will cause serious complications, most of which will necessitate costly interventions to be solved and managed. Apparently, these interventions may include cardiac bypass surgery, carotid artery surgery and dialysis, draining individual and government budgets. Recent studies show that hibiscus (Hibiscus sabdariffa) tea can lower blood pressure as effectively as some standard anti-hypertensive drugs can. Hibiscus is widely consumed around the world as a ruby-colored, lemony beverage. Hibiscus is safe and, unlike most blood pressure drugs, rarely causes side effects. All of the studies the investigators found in the literature were either underpowered or inconclusive. All of these studies recommended further studies with bigger samples to accurately assess the effect of hibiscus sabdariffa on blood pressure in hypertensive patients. The aim of this study is to assess the feasibility of a large-scale study assessing the effectiveness of Hibiscus sabdariffa on lowering blood pressure in individuals with elevated blood pressure.

NCT ID: NCT03803306 Completed - Clinical trials for Essential Hypertension

Vedic Medical Astrology in Essential Hypertension

Start date: July 12, 2018
Phase: N/A
Study type: Interventional

Previous studies have explored the correlation and impact of astrological events in relation of diseases, health concerns and relationship between birth chart and disease risk. Cardiovascular conditions, sleep and fertility were found significantly associated with moon phase. However, to best of our knowledge no study has documented the impact of astrological intervention in disease management. This is a randomised, multi-center, double blind placebo controlled clinical trial with two parallel arms. This trial aims to evaluate the effectiveness of Vedic medical astrological intervention for patients with mild to moderate hypertension,with respect to decreasing their blood pressure and improving their quality of life.