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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Renin Angiotensin Aldosterone System Clear all
Completed Phase 3 Interventional Results available

HALT Progression of Polycystic Kidney Disease Study A

NCT00283686
View directory record Official record
Conditions
Kidney, Polycystic
Interventions
Lisinopril, Telmisartan, Placebo, Standard Blood Pressure Control, Low Blood Pressure Control
Drug · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
15 Years to 64 Years
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
7
States / cities
Aurora, Colorado • Atlanta, Georgia • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Renin-Angiotensin Aldosterone System and Fibrinolysis Interaction in Humans-Specific Aim 3

NCT00685945
View directory record Official record
Conditions
Obesity
Interventions
Control (bradykinin), L-NMMA + bradykinin, Isosorbide + L-NMMA + bradykinin, Sildenafil + L-NMMA + bradykinin
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 24, 2013 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Not applicable Interventional

RAAS Optimization for Acute CHF Patients

NCT03695120
View directory record Official record
Conditions
Acute Decompensated Heart Failure
Interventions
Change of treatment plan
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 21, 2021 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Novel Experimental COVID-19 Therapies Affecting Host Response

NCT04924660
View directory record Official record
Conditions
COVID-19, SARS-CoV-2 Infection, Coronavirus Infection
Interventions
TXA127, TRV027, Placebo, Fostamatinib
Drug
Lead sponsor
Sean Collins
Other
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
51
States / cities
Birmingham, Alabama • Chandler, Arizona • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Renin-Angiotensin-Aldosterone System and Parathyroid Hormone Control: The RAAS-PARC Study

NCT01691781
View directory record Official record
Conditions
Hyperparathyroidism
Interventions
Lisinopril
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 20, 2017 · Synced Sep 24, 2026, 4:01 PM EDT
Not yet recruiting Phase 2 Interventional

Effect of an Isolevuglandin Scavenger on Salt Sensitivity of Blood Pressure and Immune Cell Activation in Humans

NCT07602166
View directory record Official record
Conditions
Salt Sensitivity of Blood Pressure, High Blood Pressure, Inflammation, Renin-Angiotensin-Aldosterone System
Interventions
2-hydroxybenzylamine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Aliskiren and Aliskiren/Enalapril Combination on Morbidity-mortality in Patients With Chronic Heart Failure

NCT00853658
View directory record Official record
Conditions
Chronic Heart Failure
Interventions
Enalapril, Aliskiren
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
7,064 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
58
States / cities
Huntsville, Alabama • Mobile, Alabama • Tucson, Arizona + 51 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2016 · Synced Sep 24, 2026, 4:01 PM EDT
Withdrawn Not applicable Interventional

Genetic Mechanisms in Human Hypertension Renin-angiotensin-aldosterone System (RAAS) Inhibition Study

NCT01009944
View directory record Official record
Conditions
Hypertension
Interventions
Lisinopril, Atenolol
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Aliskiren on the Progression of Atherosclerosis in Coronary Artery Disease Patients

NCT00853827
View directory record Official record
Conditions
Coronary Artery Disease (CAD), Coronary Atherosclerosis
Interventions
Placebo, Aliskiren
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
35 Years and older
Enrollment
613 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
54
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 48 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2014 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 3 Interventional Results available

HALT Progression of Polycystic Kidney Disease Study B

NCT01885559
View directory record Official record
Conditions
Kidney, Polycystic
Interventions
Lisinopril, Telmisartan, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
15 Years to 64 Years
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
7
States / cities
Aurora, Colorado • Atlanta, Georgia • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2020 · Synced Sep 24, 2026, 4:01 PM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

PRECISION-BP: Precision Chronopharamacotherapy Targeting NP-RAAS-BP Rhythm Axis

NCT04971720
View directory record Official record
Conditions
Obesity, Cardiovascular Diseases, Hypertension, Nocturnal Blood Pressure, Natriuretic Peptides, Renin-Angiotensin-Aldosterone System
Interventions
Sacubitril-Valsartan 49 Mg-51 Mg Oral Tablet, Valsartan 80 mg Oral Tablet
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of Prazosin on the Urinary Sodium Excretion Response to Mental Stress

NCT02431936
View directory record Official record
Conditions
Hypertension, Stress, Psychological, Blood Pressure
Interventions
Prazosin, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 3 Interventional Results available

Patiromer for the Management of Hyperkalemia in Subjects Receiving RAASi Medications for the Treatment of Heart Failure (DIAMOND)

NCT03888066
View directory record Official record
Conditions
Hyperkalemia
Interventions
Patiromer, Placebos
Drug
Lead sponsor
Vifor Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
133
States / cities
Alexander City, Alabama • Huntsville, Alabama • Phoenix, Arizona + 110 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Sep 24, 2026, 4:01 PM EDT
Active, not recruiting Phase 4 Interventional

The Renin-Angiotensin-Aldosterone System in Adiposity, Blood Pressure and Glucose in African Americans

NCT03938389
View directory record Official record
Conditions
PreDiabetes, Impaired Glucose Tolerance, Obesity, Blood Pressure
Interventions
Sacubitril-Valsartan Tab 97-103 MG, Valsartan 160mg, Placebo Oral Tablet
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Sep 24, 2026, 4:01 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pediatric Hypertension and the Renin-Angiotensin SystEm (PHRASE)

NCT04752293
View directory record Official record
Conditions
Hypertension, Left Ventricular Hypertrophy, Left Ventricular Dysfunction, Left Atrial Dilatation, Left Ventricular Diastolic Dysfunction, Kidney Diseases, Kidney Injury, Kidney Dysfunction, Sodium Urine High, Blood Pressure Disorders, Uric Acid Retention, Angiotensin Hypertension, Autonomic Dysfunction, Autonomic Imbalance, Pediatric Kidney Disease, Pediatric Obesity, Proteinuria, Albuminuria
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
7 Years to 18 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 24, 2026, 4:01 PM EDT
Terminated Phase 4 Interventional

Triple Blockade of the Renin Angiotensin Aldosterone System in Diabetic (Type 1&2) Proteinuric Patients

NCT00961207
View directory record Official record
Conditions
Microalbuminuria, Macroalbuminuric Diabetic Nephropathy, Diabetes, Proteinuria, Albuminuria
Interventions
Aliskiren
Drug
Lead sponsor
Cook County Health
Government
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 27, 2013 · Synced Sep 24, 2026, 4:01 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

The Study of Novel Dual Renin Angiotensin Aldosterone System (RAAS) Blockade; Valsartan/Aliskiren in African American Patients With Hypertension and the Metabolic Syndrome

NCT01432106
View directory record Official record
Conditions
Hypertension, Metabolic Syndrome
Interventions
Aliskerin/Valsartan and Rampiril
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 17, 2013 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Renin-angiotensin-aldosterone System (RAAS), Inflammation, and Post-Operative Atrial Fibrillation (AF)

NCT00141778
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Placebo, Ramipril, Spironolactone
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 21, 2013 · Synced Sep 24, 2026, 4:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Physiologic Investigation of the Renin Angiotensin Aldosterone Axis in HIV

NCT01407237
View directory record Official record
Conditions
HIV-infection
Interventions
Angiotensin II Infusion
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 4, 2016 · Synced Sep 24, 2026, 4:01 PM EDT
Completed No phase listed Observational Results available

RAAS and Arterial Stiffness in SCI

NCT04510974
View directory record Official record
Conditions
Arterial Stiffness, Renin Angiotensin Aldosterone System, Orthostatic Hypotension, Spinal Cord Injury, Hypotension
Interventions
Spinal Cord Injury
Other
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
21 Years to 70 Years
Enrollment
33 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 4 Interventional Results available

Endogenous Renin-Angiotensin-Aldosterone System and Glucose Metabolism

NCT02034435
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Low Salt diet plus Placebo tablet, Low Sodium diet plus Salt tablet, Epleronone, Amlodipine
Other · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Not applicable Interventional Results available

Low Dose Versus Aggressive Inhibition of the Renin-Angiotensin-Aldosterone (RAS) to Treat Microalbuminuria

NCT00907374
View directory record Official record
Conditions
Microalbuminuria
Interventions
benazepril
Drug
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2012 · Synced Sep 24, 2026, 4:01 PM EDT
Completed Phase 3 Interventional Results available

Six Months Efficacy and Safety of Aliskiren Therapy on Top of Standard Therapy, on Morbidity and Mortality in Patients With Acute Decompensated Heart Failure

NCT00894387
View directory record Official record
Conditions
Acute Decompensated Heart Failure, Congestive Heart Failure
Interventions
Aliskiren, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,639 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
37
States / cities
Mobile, Alabama • Tucson, Arizona • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2013 · Synced Sep 24, 2026, 4:01 PM EDT
Terminated Phase 4 Interventional

Secondary Prevention of Atrial Fibrillation (Impact of Renin-Angiotensin-Aldosterone System Inhibition)

NCT01233635
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
no drug, start cozaar, continue cozaar
Other · Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Sep 24, 2026, 4:01 PM EDT