Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: ambrisentan Clear all
Completed No phase listed Observational Results available

Data Analysis for Drug Repurposing for Effective Alzheimer's Medicines (DREAM) - PDE5

NCT05039086
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
PDE5 inhibitor, Endothelin Receptor Antagonists
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
13,021 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Results available

Safely Change From Bosentan to Ambrisentan in Pulmonary Hypertension

NCT01330108
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
ambrisentan
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2014 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Results available

Exercise Induced Pulmonary Hypertension in Systemic Sclerosis and Treatment With Ambrisentan

NCT01051960
View directory record Official record
Conditions
Systemic Sclerosis, Shortness of Breath, Pulmonary Hypertension
Interventions
Ambrisentan
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 2, 2020 · Synced Oct 21, 2026, 12:53 AM EDT
Terminated Phase 3 Interventional Results available

A Open Label Study to Assess the Long-term Safety, Tolerability and Efficacy of Ambrisentan in Subjects With Inoperable Chronic Thromboembolic Pulmonary Hypertension (CTEPH)

NCT01894022
View directory record Official record
Conditions
Hypertension
Interventions
Ambrisentan 5 mg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 2 Interventional

Study of BSF 208075 Evaluating Exercise Capacity in Patients With Pulmonary Arterial Hypertension

NCT00046319
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
BSF 208075
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
15
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2009 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Results available

A Clinical Trial of Ambrisentan and Tadalafil in Pulmonary Arterial Hypertension Associated With Systemic Sclerosis

NCT01042158
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Systemic Sclerosis, Scleroderma Spectrum of Diseases, Connective Tissue Disease, Pulmonary Hypertension
Interventions
tadalafil and ambrisentan upfront combination therapy
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 21, 2026, 12:53 AM EDT
Active, not recruiting Phase 3 Interventional

Outcome Study Assessing a 75 Milligrams (mg) Dose of Macitentan in Patients With Pulmonary Arterial Hypertension

NCT04273945
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan 10 mg, Macitentan 37.5 mg, Macitentan 75 mg, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
935 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
43
States / cities
Phoenix, Arizona • Scottsdale, Arizona • La Jolla, California + 35 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 21, 2026, 12:53 AM EDT
Withdrawn Phase 4 Interventional

Efficacy and Safety of Combination Ambrisentan and Tadalafil in Patients With Portopulmonary Hypertension

NCT03309592
View directory record Official record
Conditions
Portopulmonary Hypertension, Pulmonary Hypertension, Cirrhosis, Liver
Interventions
Ambrisentan Pill, Tadalafil Pill
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 7, 2018 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 3 Interventional Results available

Study of Ambrisentan in Participants With Pulmonary Hypertension

NCT00777920
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Ambrisentan
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
16
States / cities
Birmingham, Alabama • Phoenix, Arizona • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2020 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 3 Interventional Results available

A Study of Tadalafil in Pediatric Participants With Pulmonary Arterial Hypertension (PAH)

NCT01824290
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Tadalafil, Placebo, ERA as specific PAH treatment
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
6 Months to 17 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
7
States / cities
Atlanta, Georgia • Detroit, Michigan • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Results available

Study of Add-on Ambrisentan Therapy to Background Phosphodiesterase Type-5 Inhibitor (PDE5i) Therapy in Pulmonary Arterial Hypertension (ATHENA-1)

NCT00617305
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan, Placebo, Sildenafil, Tadalafil
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years to 75 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
30
States / cities
Mobile, Alabama • Phoenix, Arizona • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Results available

An Open-Label Uncontrolled Study of the Safety and Efficacy of Ambrisentan in Participants With Exercise-Induced Pulmonary Arterial Hypertension (PAH)

NCT01338636
View directory record Official record
Conditions
Exercise-induced Pulmonary Arterial Hypertension
Interventions
Ambrisentan
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Results available

Efficacy of Ambrisentan in Limited Scleroderma Patients in Improving Blood Flow to Hands or Feet

NCT01072669
View directory record Official record
Conditions
Ischemia
Interventions
ambrisentan
Drug
Lead sponsor
Soumya Chatterjee
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 1 Interventional

The Role of Endothelin-1 in Sickle Cell Disease

NCT02712346
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Ambrisentan, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Oct 21, 2026, 12:53 AM EDT
Terminated Phase 4 Interventional Results available

The Combination Ambrisentan Plus Spironolactone in Pulmonary Arterial Hypertension Study

NCT02253394
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan plus Spironolactone, Ambrisentan plus Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 21, 2026, 12:53 AM EDT
Terminated Phase 3 Interventional Results available

Ambrisentan for Inoperable Chronic Thromboembolic Pulmonary Hypertension.

NCT01884675
View directory record Official record
Conditions
Hypertension
Interventions
Ambrisentan 5 mg, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Oct 21, 2026, 12:53 AM EDT
Terminated Phase 4 Interventional Results available

Crossover Study From Macitentan or Bosentan Over to Ambrisentan

NCT02885012
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
New Orleans, Louisiana • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 3 Interventional Results available

A Study of First-Line Ambrisentan and Tadalafil Combination Therapy in Subjects With Pulmonary Arterial Hypertension (PAH)

NCT01178073
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
ambrisentan, tadalafil
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 75 Years
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
61
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Drug Combination on Exercise Performance at High Altitude

NCT01902758
View directory record Official record
Conditions
Acute Mountain Sickness
Interventions
ambrisentan and theophylline, placebo
Drug
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 21, 2026, 12:53 AM EDT
Withdrawn Not applicable Interventional

FDG Uptake and Lung Blood Flow in PAH Before and After Treatment With Ambrisentan

NCT02958358
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
CT imaging, functional PET imaging
Other
Lead sponsor
Robert Scott Harris, M.D.
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2016 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Results available

Study of Ambrisentan With Antifibrotic Agent Combination Therapy in Diffuse Systemic Sclerosis

NCT01093885
View directory record Official record
Conditions
Systemic Sclerosis, Scleroderma
Interventions
Ambrisentan
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
19 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 29, 2018 · Synced Oct 21, 2026, 12:53 AM EDT
Terminated Phase 3 Interventional Results available

(ARTEMIS-IPF) Randomized, Placebo-Controlled Study to Evaluate Safety and Effectiveness of Ambrisentan in IPF

NCT00768300
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Ambrisentan, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
40 Years to 80 Years
Enrollment
494 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
57
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Oct 21, 2026, 12:53 AM EDT
Withdrawn No phase listed Observational

Pharmacogenomics in Pulmonary Arterial Hypertension

NCT00593905
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension, PAH WHO Group I
Interventions
Sitaxsentan, Bosentan, Ambrisentan
Drug
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Oct 21, 2026, 12:53 AM EDT
Terminated Phase 3 Interventional Results available

ARTEMIS-PH - Study of Ambrisentan in Subjects With Pulmonary Hypertension Associated With Idiopathic Pulmonary Fibrosis

NCT00879229
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis, Pulmonary Hypertension
Interventions
Ambrisentan, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
35 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
51
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Davis, California + 40 more
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced Oct 21, 2026, 12:53 AM EDT