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ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:51 PM EDT

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Showing 1–24 of 123 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Chlorothiazide Clear all
Completed Phase 1 Interventional Results available

Aldosterone and the Metabolic Syndrome

NCT01103245
View directory record Official record
Conditions
Metabolic Diseases, Diabetes Mellitus, Endocrine System Diseases, Glucose Metabolism Disorders
Interventions
Hydrochlorothiazide (HCTZ), Aliskiren 150 mg (ALI 150), Spironolactone (SPL 25), Aliskiren 300 mg (ALI 300), Spironolactone 50 mg (SPL 50)
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Not applicable Interventional

Night Time Use of Thiazide Diuretics for Improved Reduction in Stone Risk in Stone Formers With Elevated Urine Calcium

NCT02711670
View directory record Official record
Conditions
Kidney Stones
Interventions
chlorthalidone, Hydrochlorothiazide
Drug
Lead sponsor
VA New York Harbor Healthcare System
Federal
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 22, 2026, 11:51 PM EDT
Withdrawn Phase 4 Interventional

Evaluating the Effect of Aliskiren Versus HCTZ on Coronary Flow Reserve in Hypertensive Type II Diabetics

NCT00994253
View directory record Official record
Conditions
Hypertension, Diabetes Type 2
Interventions
Aliskiren, Hydrochlorothiazide
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 4 Interventional Results available

Pharmacogenomic Evaluation of Antihypertensive Responses

NCT00246519
View directory record Official record
Conditions
Hypertension
Interventions
Hydrochlorothiazide, Atenolol
Drug
Lead sponsor
University of Florida
Other
Eligibility
17 Years to 65 Years
Enrollment
1,701 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
3
States / cities
Gainesville, Florida • Atlanta, Georgia • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 4 Interventional Results available

Effect of Renin-angiotensin-system Blockade on Urinary Free Light Chains in Patients With Type 2 Diabetes Mellitus

NCT02046395
View directory record Official record
Conditions
Type 2 Diabetes, Hypertension
Interventions
amlodipine, hydralazine, terazosin or hydrochlorothiazide
Drug
Lead sponsor
Tulane University School of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 4 Interventional

INVEST: INternational VErapamil SR Trandolapril STudy

NCT00133692
View directory record Official record
Conditions
Hypertension, Coronary Artery Disease
Interventions
Verapamil SR/Trandolapril/Hydrochlorothiazide (HCTZ), Atenolol/HCTZ/Trandolapril
Drug
Lead sponsor
University of Florida
Other
Eligibility
50 Years and older
Enrollment
22,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2003
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 20, 2011 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 4 Interventional

Randomized, Double-Blind, Placebo-Controlled, Forced-Titration, Comparing Telmisartan vs Valsartan. Taken Orally for Eight Weeks in Patients With Stage 1 and Stage 2 Hypertension

NCT00168779
View directory record Official record
Conditions
Hypertension
Interventions
telmisartan 80 mg / hydrochlorothiazide 25 mg, valsartan 160 mg / hydrochlorothiazide 25 mg, placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
1,185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
113
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 90 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2017 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 3 Interventional

Valsartan/Hydrochlorothiazide Combination in the Treatment of Severe Hypertension

NCT00273299
View directory record Official record
Conditions
Hypertension
Interventions
valsartan plus hydrochlorothiazide
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 80 Years
Enrollment
607 participants
Timeline
2005 – 2006
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 8, 2011 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Determine the Effects of Nebivolol and Hydrochlorothiazide in African Americans With Hypertension

NCT00999752
View directory record Official record
Conditions
Hypertension
Interventions
Nebivolol, Hydrochlorothiazide
Drug
Lead sponsor
InVasc Therapeutics, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Tucker, Georgia
Source: ClinicalTrials.gov public record
Updated May 5, 2011 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 4 Interventional Results available

The Blood Pressure and Metabolic Effects of Nebivolol in Hypertensive Patients With Impaired Glucose Tolerance or Impaired Fasting Glucose

NCT00673790
View directory record Official record
Conditions
Hypertension
Interventions
Nebivolol with concomitant losartan or lisinopril, HCTZ with concomitant losartan or lisinopril, Placebo with concomitant losartan or lisinopril
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 80 Years
Enrollment
537 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
88
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 75 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study in Chinese Mild to Moderate Hypertensive Patients Comparing the Efficacy of Co-Diovan With Diovan.

NCT00250562
View directory record Official record
Conditions
Hypertension
Interventions
valsartan plus hydrochlorothiazide
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
1,171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Not applicable Interventional

Aldosterone and Vascular Disease in Diabetes Mellitus

NCT00214825
View directory record Official record
Conditions
Diabetes Mellitus, Endothelial Dysfunction, Albuminuria
Interventions
eplerenone, Hydrochlorothiazide
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 64 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2008 · Synced Oct 22, 2026, 11:51 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Anxiety-mediated Impairments in Large Elastic Artery Function and the Autonomic Nervous System

NCT03109795
View directory record Official record
Conditions
Anxiety, Hypertension
Interventions
Clonidine Pill, Hydrochlorothiazide
Drug
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 79 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 22, 2026, 11:51 PM EDT
Terminated Phase 4 Interventional Results available

Protocolized Diuretic Strategy in Cardiorenal Failure

NCT01921829
View directory record Official record
Conditions
Cardiac Failure, Renal Failure, Kidney Failure
Interventions
Protocolized Diuretic Strategy
Drug
Lead sponsor
Kelly V. Liang, MD
Other
Eligibility
21 Years and older · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Oct 22, 2026, 11:51 PM EDT
Withdrawn Phase 4 Interventional

Chlorthalidone Compared to Hydrochlorothiazide on Endothelial Function

NCT01822860
View directory record Official record
Conditions
Hypertension
Interventions
Chlorthalidone 12.5 mg, Hydrochlorothiazide 25 mg, Placebo
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 22, 2026, 11:51 PM EDT
Recruiting Phase 1 Interventional

Mitigating the Pro-inflammatory Phenotype of Obesity

NCT04934228
View directory record Official record
Conditions
Blood Pressure, Diabetes, Obesity, Insulin Resistance, Diuretics Drug Reactions, Sympathetic Nerve Activity
Interventions
Hydrochlorothiazide 12.5Mg Tab, Clonidine Pill, Placebo
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 79 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food Study of Metoprolol Tartrate/Hydrochlorothiazide Tablets 100/50 mg to Lopressor HCT® Tablets 100/50 mg

NCT00649233
View directory record Official record
Conditions
Healthy
Interventions
Metoprolol Tartrate/Hydrochlorothiazide Tablets 100/50 mg, Lopressor HCT® Tablets 100/50 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 4 Interventional Results available

18 Week Study Evaluating Safety and Efficacy of Olmesartan, Amlodipine, and Hydrochlorothiazide, in Type 2 Diabetics

NCT00654745
View directory record Official record
Conditions
Type 2 Diabetes, Hypertension
Interventions
Amlodipine, amlodipine / olmesartan medoxomil combination, Hydrochlorothiazide
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 80 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
21
States / cities
Los Angeles, California • Sylmar, California • Tustin, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2010 · Synced Oct 22, 2026, 11:51 PM EDT
Withdrawn Phase 4 Interventional

Regression of Fatty Heart by Valsartan Therapy

NCT00745953
View directory record Official record
Conditions
Metabolic Syndrome, Lipotoxicity
Interventions
Valsartan, Hydrochlorothiazide
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2019 · Synced Oct 22, 2026, 11:51 PM EDT
Terminated Phase 3 Interventional Results available

Avoiding Cardiovascular Events Through Combination Therapy in Patients Living With Systolic Hypertension

NCT00170950
View directory record Official record
Conditions
Hypertension
Interventions
Benazepril/amlodipine 20/5 mg - Dose Level 1 from Day 1 to Month 1, Benazepril/amlodipine 40/5 mg - Dose Level 2 from Month 1 to Month 2, Benazepril/amlodipine 40/10 mg - Dose Level 3 from Month 2 to Month 3 and thereafter, Benazepril/hydrochlorothiazide 20/12.5 mg - Dose Level 1 from Day 1 to Month 1, Benazepril/hydrochlorothiazide 40/12.5 mg - Dose Level 2 from Month 1 to Month 2, Benazepril/hydrochlorothiazide 40/25 mg - Dose Level 3 from Month 2 to Month 3 and thereafter
Drug
Lead sponsor
Novartis
Industry
Eligibility
55 Years and older
Enrollment
11,506 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 4 Interventional Results available

Black Education and Treatment of Hypertension (BEAT HTN)

NCT00661895
View directory record Official record
Conditions
Hypertension
Interventions
Hydrochlorothiazide, Lisinopril, Lisinopril and Hydrochlorothiazide, Nifedipine XL, Metoprolol tartrate, Atenolol, Valsartan, Doxazosin, Clonidine, Hydralazine, Metoprolol succinate, Amlodipine
Drug
Lead sponsor
Creighton University
Other
Eligibility
25 Years to 80 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 4, 2012 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study in Patients With Chronic Kidney Disease and Healthy Volunteers

NCT01087749
View directory record Official record
Conditions
Kidney Disease
Interventions
Propranolol, Losartan, Eprosartan
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Oct 22, 2026, 11:51 PM EDT
Not listed Phase 2Phase 3 Interventional

Determining the Effect of Spironolactone on Electrolyte Supplementation in Preterm Infants With Chronic Lung Disease

NCT01721655
View directory record Official record
Conditions
Chronic Lung Disease, Bronchopulmonary Dysplasia
Interventions
Spironolactone, Placebo
Drug
Lead sponsor
West Virginia University Healthcare
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Oct 22, 2026, 11:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Quinapril HCl and Hydrochlorothiazide Tablets 20 mg/25 mg to Accuretic™ Tablets 20 mg/25 mg

NCT00649441
View directory record Official record
Conditions
Healthy
Interventions
Quinapril HCl and Hydrochlorothiazide Tablets 20 mg/25 mg, Accuretic™ Tablets 20 mg/25 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 22, 2026, 11:51 PM EDT