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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional Results available

One-Year Safety and Tolerability Study of Azilsartan Medoxomil in Participants With Essential Hypertension

NCT00695955
View directory record Official record
Conditions
Hypertension
Interventions
Azilsartan medoxomil with or without add-on chlorthalidone, Azilsartan medoxomil with or without add-on hydrochlorothiazide
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
669 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
39
States / cities
Ozark, Alabama • Tallassee, Alabama • Long Beach, California + 36 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2011 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Hydrochlorothiazide Tablets 50 mg to Hydrochlorothiazide Tablets 50 mg

NCT00649324
View directory record Official record
Conditions
Healthy
Interventions
Hydrochlorothiazide Tablets (50 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 3 Interventional

Irbesartan/Hydrochlorothiazide (HCTZ) Combination Therapy for Patients With Moderate Hypertension

NCT00095550
View directory record Official record
Conditions
Hypertension
Interventions
Irbesartan/HCTZ, Irbesartan monotherapy, HCTZ monotherapy
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
87
States / cities
Birmingham, Alabama • Columbiana, Alabama • Mesa, Arizona + 84 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2011 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Aliskiren/Amlodipine/Hydrochlorothiazide in Patients With Moderate-severe Hypertension

NCT00765674
View directory record Official record
Conditions
Hypertension
Interventions
Aliskiren, Amlodipine, Hydrochlorothiazide (HCTZ), Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
1,191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 8, 2011 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 4 Interventional

Vascular Improvement With Olmesartan Medoxomil Study

NCT00772499
View directory record Official record
Conditions
Hypertension
Interventions
olmesartan medoxomil + hydrochlorothiazide + amlodipine + hydralazine if necessary to control blood pressure, atenolol+ hydrochlorothiazide + amlodipine + hydralazine if necessary to control blood pressure
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 14, 2008 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 4 Interventional Results available

Metabolic Effects of Antihypertensive Drugs on People With Metabolic Syndrome (The MEAD Study)

NCT00887510
View directory record Official record
Conditions
Hypertension
Interventions
Hydrochlorothiazide, Trandolapril
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 16, 2014 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioequivalence Study of Fosinopril Sodium / Hydrochlorothiazide 20/ 12.5 mg Tablets Under Fed Conditions

NCT00778713
View directory record Official record
Conditions
Healthy
Interventions
Fosinopril sodium and hydrochlorothiazide 20-12.5 mg tablets
Drug
Lead sponsor
Ranbaxy Laboratories Limited
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 22, 2008 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 4 Interventional Results available

An Examination of the Blood Pressure Lowering Ability and Safety of Olmesartan Medoxomil in Patients With Type II Diabetes

NCT00403481
View directory record Official record
Conditions
Hypertension
Interventions
olmesartan medoxomil, Olmesartan medoxomil plus Hydrochlorothiazide
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
27
States / cities
Birmingham, Alabama • Mesa, Arizona • Searcy, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Moexipril HCl/Hydrochlorothiazide 15/25 mg Tablets Under Non-Fasting Conditions

NCT00834067
View directory record Official record
Conditions
Healthy
Interventions
Moexipril HCl/hydrochlorothiazide 15/25 mg tablets, UNIRETIC® 15/25 mg tablets
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
2
States / cities
Saint Charles, Missouri • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 4 Interventional

PROBE Parallel 6-week Treatment Comparing Telmisartan/Hydrochlorothiazide (HCT) (40/12.5 or 80/12.5) With Losartan/HCT (50/12.5) Using Ambulatory Blood Pressure Monitoring (ABPM)

NCT00274638
View directory record Official record
Conditions
Hypertension
Interventions
Telmisartan & Hydrochlorothiazide, Losartan & Hydrochlorothiazide, ABPM
Drug · Procedure
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
69
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Carmichael, California + 57 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2013 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 4 Interventional Results available

Study of the Glycemic Effects of Nebivolol Compared With Metoprolol and HCTZ in Diabetic Hypertensive Patients

NCT00744237
View directory record Official record
Conditions
Hypertension, Type 2 Diabetes Mellitus
Interventions
Nebivolol, Metoprolol ER, HCTZ
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 85 Years
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
62
States / cities
Athens, Alabama • Huntsville, Alabama • Bell Gardens, California + 54 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2011 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Benazepril HCl and Hydrochlorothiazide Tablets 20 mg/25 mg to Lotensin HCT® Tablets 20 mg/25 mg

NCT00649597
View directory record Official record
Conditions
Healthy
Interventions
Benazepril HCl and Hydrochlorothiazide Tablets 20 mg/25 mg, Lotensin HCT® Tablets 20 mg/25 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Fed Study of Benazepril HCl and Hydrochlorothiazide Tablets 20 mg/25 mg to Lotensin HCT® Tablets 20 mg/25 mg

NCT00649038
View directory record Official record
Conditions
Healthy
Interventions
Benazepril HCl and Hydrochlorothiazide Tablets 20 mg/25 mg, Lotensin HCT® Tablets 20 mg/25 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 17, 2026, 4:11 AM 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 3, 2012 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Sympathetic Regulation of Large Artery Stiffness in Humans With ISH

NCT04423627
View directory record Official record
Conditions
Hypertension, Systolic, Stiffness, Aortic
Interventions
Clonidine, Hydrochlorothiazide, Placebo
Drug
Lead sponsor
University of Iowa
Other
Eligibility
60 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 4 Interventional Results available

Safety/Efficacy of Valsartan/Hydrochlorothiazide Combination Compared to Hydrochlorothiazide in Obese Hypertensive Adults

NCT00439738
View directory record Official record
Conditions
Hypertension
Interventions
HCTZ + Amlodipine, Valsartan/HCTZ
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
40 Years and older
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
5
States / cities
Muscle Shoals, Alabama • Westlake Village, California • Oklahoma City, Oklahoma + 2 more
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT00648011
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
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Crossover Bioequivalence Study of Irbesartan HCTZ 300/25 mg Tablets Under Fasted Conditions

NCT01712139
View directory record Official record
Conditions
Hypertension
Interventions
Irbesartan and Hydrochlorothiazide, Avalide
Drug
Lead sponsor
Roxane Laboratories
Industry
Eligibility
18 Years to 45 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioequivalence Study of Fosinopril Sodium/ Hydrochlorothiazide 20/ 12.5 mg Tablets Under Fasting Conditions

NCT00777972
View directory record Official record
Conditions
Healthy
Interventions
Fosinopril sodium and hydrochlorothiazide 20-12.5 mg tablets
Drug
Lead sponsor
Ranbaxy Laboratories Limited
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 22, 2008 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 3 Interventional

Combination of Nebivolol and Valsartan Given as Free Tablets for Stage 1 or Stage 2 Hypertension

NCT01415505
View directory record Official record
Conditions
Hypertension
Interventions
Nebivolol, Valsartan and Hydrochlorothiazide
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
812 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
135
States / cities
Birmingham, Alabama • Foley, Alabama • Gulf Shores, Alabama + 113 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 4 Interventional Results available

The Effects of Renin Inhibition on Fibrinolytic Balance and Endothelial Function

NCT03115853
View directory record Official record
Conditions
High Blood Pressure
Interventions
Aliskiren 150 mg, Placebo, HCTZ, Aliskiren 300 mg
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Losartan Potassium/Hydrochlorothiazide 100/25 mg Tablets in Healthy Subjects Under Non-Fasting Conditions

NCT01149473
View directory record Official record
Conditions
Healthy
Interventions
Losartan potassium/Hydrochlorothiazide
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 17, 2026, 4:11 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Trial of Aliskiren 150mg , 300 mg Compared to Ramipril 5mg, 10mg in the Elderly

NCT00368277
View directory record Official record
Conditions
Hypertension
Interventions
Aliskiren, Ramipril, Hydrochlorothiazide, Amlodipine
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
65 Years and older
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 24, 2011 · Synced Sep 17, 2026, 4:11 AM EDT
Withdrawn Phase 4 Interventional

Ertugliflozin Versus Hydrochlorothiazide in Reducing Sympathetic Neural Overactivity in Patients With Hypertension and Recently-diagnosed Type 2 Diabetes.

NCT03640221
View directory record Official record
Conditions
Hypertension, Diabetes Mellitus, Type 2
Interventions
Ertugliflozin, Hydrochlorothiazide 12.5mg, Microneurography, SKNA recordings, Static Handgrip, Post-handgrip forearm vascular occlusion, Testing of the Arterial Baroreflex Function
Drug · Device · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
35 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Sep 17, 2026, 4:11 AM EDT