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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Enzyme Inhibitors Clear all
Completed Phase 2 Interventional

SU5416 in Patients With AIDS-Related Kaposi's Sarcoma Who Have Not Responded to Treatment

NCT00005931
View directory record Official record
Conditions
Sarcoma, Kaposi, HIV Infections
Interventions
SU5416
Drug
Lead sponsor
SUGEN
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
South San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Not applicable Interventional Results available

Angiotensin Converting Enzyme Inhibitors During Cardiopulmonary Bypass in Infants and Children

NCT00848250
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Angiotensin Converting Enzyme Inhibitor, No ACE Inhibitor
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Up to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 25, 2017 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 2 Interventional

Anticoagulation With rNAPc2 to Eliminate MACE/TIMI 32

NCT00116012
View directory record Official record
Conditions
Coronary Disease
Interventions
rNAPc2
Drug
Lead sponsor
ARCA Biopharma, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 28, 2006 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 3 Interventional Results available

A Study of BMS-512148 (Dapagliflozin) in Patients With Type 2 Diabetes and Inadequately Controlled Hypertension on an Angiotensin-Converting Enzyme Inhibitor or Angiotensin Receptor Blocker

NCT01137474
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Dapagliflozin, Placebo-matching dapagliflozin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 89 Years
Enrollment
2,996 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
164
States / cities
Birmingham, Alabama • Mobile, Alabama • Ozark, Alabama + 124 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Not applicable Interventional Results available

Elimination or Prolongation of ACE Inhibitors and ARB in Coronavirus Disease 2019

NCT04338009
View directory record Official record
Conditions
COVID-19
Interventions
Discontinuation of ARB/ACEI, Continuation of ARB/ACEI
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Jun 10, 2026, 5:11 PM EDT
Terminated Phase 2 Interventional

Study of Ezatiostat (Telintra Tablets) for Treatment of Severe Chronic Neutropenia

NCT00909584
View directory record Official record
Conditions
Severe Chronic Neutropenia
Interventions
Ezatiostat Hydrochloride
Drug
Lead sponsor
Telik
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
4
States / cities
Bethesda, Maryland • Ann Arbor, Michigan • San Antonio, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2013 · Synced Jun 10, 2026, 5:11 PM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

NCT07013474
View directory record Official record
Conditions
COVID-19 Infection
Interventions
ibuzatrelvir, remdesivir, placebo for ibuzatrelvir, placebo for remdesivir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
60
States / cities
Canoga Park, California • Granada Hills, California • La Jolla, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Not applicable Interventional

Prevention of Dichloroacetate Toxicity

NCT00031161
View directory record Official record
Conditions
Acidosis, Lactic, Chronic Disease
Interventions
Nitisinone (NTBC), Dichloroacetate, Low-tyrosin diet
Drug · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
3 Months to 21 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 24, 2015 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 1 Interventional Results available

Study to Assess Safety, Tolerability and Clinical Activity of BGB-290 in Combination With Temozolomide (TMZ) in Participants With Locally Advanced or Metastatic Solid Tumors

NCT03150810
View directory record Official record
Conditions
Locally Advanced or Metastatic Solid Tumors
Interventions
Pamiparib, Temozolomide
Drug
Lead sponsor
BeiGene
Industry
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
7
States / cities
Grand Rapids, Michigan • St Louis, Missouri • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Jun 10, 2026, 5:11 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effect of Angiotensin Converting Enzyme Inhibitor, Lisinopril, on Renal Blood Flow and Its Correlation With Proteinuria Reduction in Subjects With Type 2 Diabetes and Kidney Disease

NCT01101269
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
ACEI or ARB, Lisinopril
Drug
Lead sponsor
University of Virginia
Other
Eligibility
40 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 4 Interventional Results available

Chronic Angiotensin Converting Enzyme Inhibitors in Intermediate Risk Surgery

NCT01669434
View directory record Official record
Conditions
Hypotension on Induction
Interventions
ACEI continuation, ACEI omission
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 90 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 24, 2023 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 2 Interventional

Effects of Angiotensin-Converting Enzyme Inhibitor (Ramipril) Therapy on Blood Vessel Inflammation

NCT00005928
View directory record Official record
Conditions
Atherosclerosis, Coronary Disease, Vasculitis
Interventions
Ramipril
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 2 Interventional Results available

L-Arginine Supplementation With or Without Enzyme Inhibitors Treating Erectile Function of Prostate Cancer Survivors

NCT01105130
View directory record Official record
Conditions
Male Erectile Disorder, Prostate Cancer, Radiation Toxicity
Interventions
Placebo, Oral L-Arginine
Other · Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Male only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Jun 10, 2026, 5:11 PM EDT
Terminated Phase 2 Interventional Results available

Evaluation of Ecallantide for Treatment of Angiotensin Converting Enzyme (ACE) Inhibitor Induced Angioedema

NCT01343823
View directory record Official record
Conditions
ACE Inhibitor Induced Angioedema
Interventions
ecallantide 60 mg, ecallantide 30 mg, ecallantide 10 mg, placebo, placebo match for 30 mg ecallantide arm, placebo match for 10 mg ecallantide arm
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
39
States / cities
Montgomery, Alabama • Colton, California • Los Angeles, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Not applicable Interventional Results available

Effect of Chronic ACE and DPP4 Inhibition on Blood Pressure

NCT02130687
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Hypertension
Interventions
Placebo, Sitagliptin, Aprepitant, Mixed Meal Test (MMT)
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Jun 10, 2026, 5:11 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Research Study of IV Vitamin C in Combination With Irinotecan vs Irinotecan Alone for Advanced Colorectal CA

NCT01550510
View directory record Official record
Conditions
Stage IV Colorectal Cancer
Interventions
Ascorbic Acid, Irinotecan
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 5, 2025 · Synced Jun 10, 2026, 5:11 PM EDT
Withdrawn Not applicable Interventional

ACEi ARB Withdrawal in CKD Patients

NCT03957161
View directory record Official record
Conditions
Chronic Kidney Disease, Blood Pressure, Angiotensin-converting Enzyme Inhibitor, Angiotensin Receptor Blockers
Interventions
Continuation of ACEi and/or ARBs
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 4 Interventional

Treatment of High Blood Pressure Using Olmesartan With Hydrochlorothiazide Compared to an ACE Inhibitor With a Calcium Channel Blocker

NCT00185120
View directory record Official record
Conditions
Hypertension
Interventions
Olmesartan medoxomil, Hydroclorothiazide, Benazepril, Amlodipine
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
20
States / cities
Mobile, Alabama • Long Beach, California • Los Angeles, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2012 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Not applicable Interventional Results available

Cardiomyopathy in DMD: Lisinopril vs. Losartan

NCT01982695
View directory record Official record
Conditions
Duchenne Muscular Dystrophy (DMD), Cardiomyopathy
Interventions
Losartan, Lisinopril
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
6
States / cities
Davis, California • Kansas City, Kansas • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced Jun 10, 2026, 5:11 PM EDT
Recruiting Early Phase 1 Interventional

A Study to Determine the Preferred Dose of the Drug, Lisinopril, for Preventing Urinary Toxicity Following Radiotherapy for Prostate Cancer

NCT05530655
View directory record Official record
Conditions
Prostate Cancer, Radiation Toxicity, Urinary Complication
Interventions
Lisinopril Tablets
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jun 10, 2026, 5:11 PM EDT
Withdrawn Phase 2 Interventional

A Study to Learn About the Medicine Called Nirmatrelvir Used in Combination With Ritonavir in People With Weakened Immune Systems or at Increased Risk for Poor Outcomes Who Are Hospitalized Due to Severe COVID-19

NCT05545319
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Coronavirus Disease 2019 (COVID-19), Immunocompromised, Hospitalization, Child, Hospitalized
Interventions
Nirmatrelvir, Ritonavir, Placebo for nirmatrelvir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Cooperstown, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Jun 10, 2026, 5:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study To Determine The Effect Of Food And Strong CYP3A4 Enzyme Inhibitor On PF-04449913 Drug Levels

NCT01749085
View directory record Official record
Conditions
Healthy Volunteers
Interventions
PF-04449913, ketoconazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 9, 2013 · Synced Jun 10, 2026, 5:11 PM 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 Jun 10, 2026, 5:11 PM EDT
Completed No phase listed Observational

Guideline Directed Medical Therapy in Patients With Heart Failure

NCT06700213
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Jun 10, 2026, 5:11 PM EDT