About Pricing FAQs Providers Trials Blog

Login Get started

Finding studies

Your health journey, clearly organized.

Questions? feedback@clareohealth.com

Product

How it works
Pricing
For Providers
Trials

Company

About
Blog
FAQ

Legal

Privacy Policy
Terms of Service

© 2026 Clareo Health. All rights reserved.

Clareo Health | Hypertension Clinical Trials in Houston | 372 Studies

Clinical Trials HypertensionHouston

Hypertension Clinical Trials in Houston

Find 372 clinical trials for hypertension near Houston, Texas. Connect with research centers in your area.

All Hypertension trials nationwide All trials in Houston

Order

Status

RecruitingNot yet recruitingActive, not recruitingEnrolling by invitationCompletedTerminated

Phase

Early phase 1Phase 1Phase 1–2Phase 2Phase 2–3Phase 3Phase 4No phase

Who can join

Healthy volunteers too

Showing 241-260 of 372 trials

CompletedLong-term Safety and Efficacy of Ralinepag in Pulmonary Arterial HypertensionThis study was an open-label extension study to determine the long-term safety and tolerability of ralinepag in subjects with World Health Organization (WHO) Group 1 pulmonary…NCT02279745·Birmingham, Alabama and 45 others

Hypertension Trials in Other Cities

New York Los Angeles Chicago Phoenix Philadelphia San Antonio

Data from ClinicalTrials.govTerms

CompletedAtacand Dose Ranging in Hypertensive Pediatric Subjects 1 Year to Less Than 6 Years of AgeThis is a dose ranging study of candesartan cilexetil in hypertensive pediatric subjects ages 1 to less than 6 years of age.NCT00244621·Birmingham, Alabama and 37 others

CompletedA Study of Rodatristat Ethyl in Patients With Pulmonary Arterial Hypertension (Core OLE)The purpose of this study is to assess the safety and efficacy of Rodatristat Ethyl in pulmonary arterial hypertension (PAH) patients.NCT04712669·Phoenix, Arizona and 63 others

CompletedAssess the Efficacy and Safety of Sildenafil When Added to Bosentan in the Treatment of Pulmonary Arterial HypertensionTo assess the efficacy and safety of sildenafil when added to patients with PAH who are taking bosentan as all or part of their background therapy.NCT00323297·Los Angeles, California and 29 others

CompletedTROPHY - Candesartan Cilexetil Long-term Hypertension Prevention TrialThe purpose of this study is to determine the effectiveness of candesartan cilexetil in preventing hypertension in people with high normal blood pressure.NCT00227318·Mobile, Alabama and 41 others

CompletedLevels of Inflammatory Markers in the Treatment of Stroke-An SPS3 Ancillary StudyThe goals of this trial are to determine the prognostic significance of an elevated level of inflammatory blood markers in people who have experienced small subcortical strokes…NCT00579306·Mobile, Alabama and 44 others

Enrolling by invitationAssessment of Worldwide Acute Kidney Injury Epidemiology in Neonates 2.0There is a growing focus on short- and long-term kidney health in neonates, including those with acute kidney injury (AKI).NCT06823115·Birmingham, Alabama and 86 others

CompletedThe COREG And Lisinopril Combination Therapy In Hypertensive Subjects (COSMOS) TrialThis is a randomized, double-blind, double-dummy, parallel group trial employing 15 cells of a 4x4 factorial design (no placebo)to compare the hypertensive effects in patients…NCT00347360·Anniston, Alabama and 150 others

CompletedDiuretic Comparison ProjectThe Diuretic Comparison Project aimed to evaluate whether chlorthalidone, as compared with hydrochlorothiazide, would reduce the risk of major nonfatal cardiovascular disease…NCT02185417·Birmingham, Alabama and 69 others

CompletedEffect of Intense vs. Standard Hypertension Management on Nighttime Blood Pressure - an Ancillary Study to SPRINTHypertension is a major risk factor for cardiovascular and renal disease, and a leading cause of premature mortality worldwide.NCT01835249·Birmingham, Alabama and 9 others

CompletedStudy of Add-on Ambrisentan Therapy to Background Phosphodiesterase Type-5 Inhibitor (PDE5i) Therapy in Pulmonary Arterial Hypertension (ATHENA-1)To evaluate the change from baseline in pulmonary vascular resistance (PVR), and other hemodynamic parameters, following the addition of ambrisentan to background…NCT00617305·Mobile, Alabama and 29 others

CompletedA Study to Evaluate the Efficacy, Safety and Pharmacokinetics of Treprostinil Palmitil Inhalation Powder in Participants With Pulmonary Arterial HypertensionThe main objective of the study is to assess the effect of treprostinil palmitil inhalation powder (TPIP) compared with placebo on pulmonary vascular resistance.NCT05147805·Phoenix, Arizona and 91 others

CompletedThe Effect of a Scleral Lens on the Anterior Chamber Depth and Minimum Rim WidthThe purpose of this study is to evaluate the use of two instruments to measure changes in two ocular structures: 1) the anterior chamber depth (ACD) - measured using low coherence…NCT03926975·Houston, Texas

CompletedEfficacy and Safety of Azilsartan Medoxomil Plus Chlorthalidone in Participants With Moderate to Severe HypertensionThe purpose of this study is to determine the efficacy and safety of azilsartan medoxomil combined with chlorthalidone, once daily (QD), in participants with moderate to severe…NCT00846365·Birmingham, Alabama and 79 others

CompletedTelmisartan (Micardis) and Ramipril (Altace) - Factorial Design Study for the Treatment of HypertensionTo identify dose combinations of telmisartan and ramipril that are more effective in reducing diastolic blood pressure than each of the respective monotherapies in patients with…NCT00281593·Glendale, Arizona and 118 others

CompletedCollection of Samples From Pregnant Women for the Evaluation of Preeclampsia (Pre-E) BiomarkersPreeclampsia (Pre-E) is a hypertensive disease of pregnancy with multi-system involvement that usually occurs in the second half of pregnancy.NCT02780414·Birmingham, Alabama and 19 others

CompletedClinical Study to Assess the Efficacy and Safety of Macitentan in Patients With Pulmonary Hypertension After Left Ventricular Assist Device ImplantationSTUDY OBJECTIVES Primary objective To evaluate the effect of macitentan 10 mg on pulmonary vascular resistance (PVR) as compared to placebo in subjects with pulmonary hypertension…NCT02554903·Phoenix, Arizona and 49 others

CompletedA Study to Assess the Safety, Tolerability and Efficacy of IONIS-AGT-LRxThis study evaluated the effect of ISIS 757456 (IONIS-AGT-LRx) on plasma angiotensinogen (AGT) and systolic blood pressure (SBP) in uncontrolled hypertensive participants who were…NCT04083222·Birmingham, Alabama and 8 others

Active not recruitingA Phase III Study to Investigate the Efficacy and Safety of Baxdrostat in Combination With Dapagliflozin on CKD Progression in Participants With CKD and High Blood Pressure.The purpose of this study is to measure the efficacy and safety of baxdrostat/dapagliflozin in participants ≥ 18 years of age with CKD and HTN.NCT06268873·Fairhope, Alabama and 564 others

CompletedEfficacy and Safety of LCZ696A in Patients With Essential HypertensionThis study was a dose-ranging efficiacy study in patients with essential hypertension to assess the blood pressure lowering effect, and safety of LCZ696 compared to valsartan and…NCT00549770·Birmingham, Alabama and 181 others

PreviousPage 13 of 19Next

Other Conditions in Houston

Breast Cancer Lung Cancer Prostate Cancer Colorectal Cancer Melanoma Leukemia