Clinical trials: Renin-Angiotensin-Aldosterone System
Tetralogy of Fallot, Heart Defects, Congenital
Right Ventricular Dysfunction in Tetralogy of Fallot: Inhibition of the Renin-angiotensin-aldosterone System
Rationale: The prevalence of adult patients with congenital heart disease (CHD) has steadily increased over the last decades, due to the advances in cardiac surgery.
- Conditions
- Tetralogy of Fallot, Heart Defects, Congenital, Ventricular Dysfunction, Right
- Trial name
- Redefine (NCT02010905)
- Testing
- Losartan
- Where
- 6 sites in Netherlands
- Volunteers
- 120 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
COVID-19
Renin-Angiotensin-Aldosterone System Inhibitors, Hypertension, and COVID-19
Background. Angiotensing converting enzyme type 2 (ACE2), a key enzyme of the renin-angiotensin-aldosterone system (RAAS), is the receptor of SARS-CoV-2 for cell entry into lungs.
- Trial name
- COVHYP (NCT04374695)
- Volunteers
- 700 people
- Sponsor
- Versailles Hospital
Type 2 Diabetes, Microalbuminuria
Optimal Dose of Irbesartan for Renoprotection in Type 2 Diabetic Patients With Persistent Microalbuminuria
Aim: To evaluate the renoprotective effect as reflected by short-term changes in albuminuria of ultra high doses of irbesartan in Type 2 diabetic patients with microalbuminuria Design: A double-masked randomized cross-over trial…
- Trial name
- NCT00320879
- Testing
- irbesartan
- Where
- Denmark
- Volunteers
- 52 people
- Sponsor
- Steno Diabetes Center Copenhagen
Radiographic Contrast Agent Nephropathy
Renin-angiotensin-aldosterone System (RAAS) Blockade and Contrast Induced Nephropathy
The aim of the current study is to evaluate prospectively whether concomitant administration of renin-angiotensin-aldosterone system (RAAS) blockers (namely ACE-I and ARBs') influence the change in estimated glomerular filtration…
- Trial name
- NCT01525888
- Testing
- stop angiotensin converting enzyme inhibitor or angiotensin receptor blocker (ACE-I/ARB)
- Volunteers
- 100 people
- Sponsor
- Soroka University Medical Center
Hyperparathyroidism
The Renin-Angiotensin-Aldosterone System and Parathyroid Hormone Control: The RAAS-PARC Study
This study will evaluate whether commonly used blood pressure medications called "ACE inhibitors" can lower parathyroid hormone.
- Trial name
- RAAS-PARC (NCT01691781)
- Testing
- Lisinopril
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Hypertension
Increasing Potassium Intake in Hypertensive Individuals
This study evaluates the safety of increasing dietary potassium intake in a hypertensive population that may be at risk for hyperkalemia.
- Trial name
- NCT02759367
- Testing
- High potassium diet
- Volunteers
- 20 people
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Glomerulonephritis, IGA, Hypertension
A Prospective Study of the Kidney Protective Effect of Aliskiren in Hypertensive Patients With IgA Nephropathy
The purpose of this study is to evaluate the effect of aliskiren, a novel direct rennin inhibitor, on renal function and progress of renal disease in hypertensive patients with IgA nephropathy.
- Trial name
- NCT01184599
- Testing
- aliskiren
- Where
- 4 sites in Japan
- Volunteers
- 30 people
- Sponsor
- Kagawa University
Myocardial Infarction, Acute, ST Segment Elevation Myocardial Infarction
A Trial on the Role of Community Pharmacist in Improving Adherence and Clinical Outcomes in Post-Infarction
The purpose of this pilot study is to evaluate the effectiveness of the active involvement of Community Pharmacists in improving adherence to medical prescriptions in patients with acute myocardial infarction (AMI), reducing the…
- Conditions
- Myocardial Infarction, Acute, ST Segment Elevation Myocardial Infarction, Non-ST Elevation Myocardial Infarction (nSTEMI)
- Trial name
- IM-ADHERENCE (NCT03621111)
- Testing
- Patient-counseling, Patient self-administered questionnaire, Pills counts
- Where
- Italy
- Volunteers
- 120 people
- Sponsor
- Azienda ULSS 5 Polesana
Hypertension
Genetic Mechanisms in Human Hypertension Renin-angiotensin-aldosterone System (RAAS) Inhibition Study
The purpose of this study is to develop an approach to provide personalized medicine to individuals who have hypertension (high blood pressure).
- Trial name
- NCT01009944
- Testing
- Lisinopril, Atenolol
- Where
- United States
- Sponsor
- Brigham and Women's Hospital
Acute Decompensated Heart Failure
RAAS Optimization for Acute CHF Patients
Holding ACEI/ARBs during initial 72 hours of admission with acute decompensated heart failure may help preserve renal function with a lesser decline in GFR.
- Trial name
- ROAD-HF (NCT03695120)
- Testing
- Change of treatment plan
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- University of Florida
Obstructive Sleep Apnea
Vitamin D Levels and Heart Rate Variability on Endothelial Function Via RAAS Augmentation in OSA
The role of obstructive sleep apnea (OSA) in contributing to hyperaldosteronism, which can lead to increased morbidity and mortality, is less well-established.
- Trial name
- RAAS_OSA (NCT05232201)
- Where
- Malaysia
- Volunteers
- 150 people
- Sponsor
- University Malaysia Sarawak
Atrial Fibrillation
Secondary Prevention of Atrial Fibrillation (Impact of Renin-Angiotensin-Aldosterone System Inhibition)
In the present application, we propose to refine and extend current insight into AAF mechanism and therapy by examining the importance of pharmacologic RAAS inhibition, ACE genotype, and their interaction in secondary AF…
- Trial name
- NCT01233635
- Testing
- no drug, start cozaar, continue cozaar
- Where
- United States
- Volunteers
- 228 people
- Sponsor
- University of Pittsburgh
End Stage Renal Disease, Peritoneal Dialysis
Effect of Add-on Spironolactone to Losartan Versus Losartan Alone on Peritoneal Membrane Among Peritoneal Dialysis Patients
The ESCAPE-PD (Effects of add-on SpironolaCtone to losartan versus Alone on Peritoneal mEmbrane among continuous ambulatory Peritoneal Dialysis patients) study is a randomized, open-label, single center, active-controlled…
- Trial name
- ESCAPE-PD (NCT03953950)
- Testing
- Spironolactone, Losartan
- Where
- Thailand
- Volunteers
- 84 people
- Sponsor
- Chiang Mai University
Heart Valve Diseases, Left Ventricle Remodeling
Effect of Losartan on the Neurohumoral Axis and Ventricular Remodeling of Patients With Severe Aortic Regurgitation Undergoing Valve Surgery.
Why Is This Study Important? The heart has valves that help control blood flow. Aortic regurgitation (AR) is a condition where one of these valves (the aortic valve) doesn't close properly, causing blood to leak back into the…
- Conditions
- Heart Valve Diseases, Left Ventricle Remodeling, Aortic Regurgitation Disease, Heart Failure Congestive
- Trial name
- ARBNP (NCT07099859)
- Testing
- Losartan 50 mg
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- Vitor Emer Egypto Rosa
Covid19, Corona Virus Infection
Investigating the Involvement of ACE and Angiotensinogen Genes' Polymorphism Along With Other Thrombophilic Genotypes in Severe Forms of COVID-19 With/Without Thrombotic Events
An estimated 22% of the global population is at an increased risk of a severe form of COVID-19, while one in four coronavirus patients admitted to intensive care unit will develop a pulmonary embolism.
- Conditions
- Covid19, Corona Virus Infection, Thrombosis, ARDS
- Trial name
- iGenes-COVID19 (NCT04519398)
- Testing
- Complete thrombophilic profile testing by multiplex PCR
- Where
- Romania
- Volunteers
- 60 people
- Sponsor
- Grigore T. Popa University of Medicine and Pharmacy
Hypertension, Left Ventricular Hypertrophy
Pediatric Hypertension and the Renin-Angiotensin SystEm (PHRASE)
Studying the causal roles of components of the renin-angiotensin-aldosterone system (including angiotensin-(1-7) (Ang-(1-7)), angiotensin-converting enzyme 2 (ACE2), Ang II, and ACE), uric acid, and klotho in pediatric…
- Conditions
- Hypertension, Left Ventricular Hypertrophy, Left Ventricular Dysfunction, Left Atrial Dilatation
- Trial name
- PHRASE (NCT04752293)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Obesity
Renin-Angiotensin Aldosterone System and Fibrinolysis Interaction in Humans-Specific Aim 3
The purpose of the study is to determine if giving isosorbide,a drug that is used to treat chest pain, affects blood vessel release of an anti-clotting factor.
- Trial name
- NCT00685945
- Testing
- Control (bradykinin), L-NMMA + bradykinin, Isosorbide + L-NMMA + bradykinin
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Coronary Artery Disease (CAD), Coronary Atherosclerosis
Safety and Efficacy of Aliskiren on the Progression of Atherosclerosis in Coronary Artery Disease Patients
The study will assess the change in coronary atherosclerotic disease as determined by intravascular ultrasound (IVUS) for aliskiren compared to placebo when given in addition to standard therapy in patients with coronary artery…
- Trial name
- AQUARIUS (NCT00853827)
- Testing
- Aliskiren
- Where
- 129 sites in United States, Argentina and 9 more
- Volunteers
- 613 people
- Sponsor
- Novartis Pharmaceuticals
Covid 19
Diagnosis of Endocrine Dysfunctions in Covid-19
As observed with SARS-CoV responsible for SARS 2003, the new coronarovirus SARS-CoV-2 uses the angiotensin converting enzyme type 2 (ACE2) as cellular receptor to infect cells.
- Trial name
- Dyhor-19 (NCT04587375)
- Where
- France
- Volunteers
- 50 people
- Sponsor
- University Hospital, Montpellier
Heart Failure, Ischemic Cardiomyopathy
Molecular Pathways of Cardiac Remodellation in Patients With Acute and Chronic Left Ventricular Disfunction
Chronic heart failure represents an extremely complex clinical syndrome, defined as the inability of the heart muscle to generate a volume adequate to the metabolic needs of peripheral tissues, or to do so only in the face of…
- Trial name
- HFrEF (NCT05745571)
- Testing
- Blood sample
- Where
- Italy
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS