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 11, 2026, 8:05 AM EDT

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

Showing 97–120 of 135 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: United Therapeutics Clear all
Recruiting Phase 1Phase 2 Interventional

Zunsemetinib in Combination With Capecitabine in Patients With Hormone Receptor-Positive and HER2-Negative Metastatic Breast Cancer With Bone Metastasis

NCT06374459
View directory record Official record
Conditions
Hormone Receptor Positive HER-2 Negative Metastatic Breast Cancer
Interventions
Zumsemetinib, Capecitabine, Zoledronic acid, Denosumab
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
3
States / cities
Westwood, Kansas • Rochester, Minnesota • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 11, 2026, 8:05 AM EDT
Terminated No phase listed Observational

Impact of Inhaled Treprostinil Sodium on Ventilation Perfusion Matching

NCT01494896
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
3
States / cities
Jacksonville, Florida • Weston, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 3 Interventional Results available

An Open-Label Extension Trial of UT-15C Sustained-release (SR) in Subjects With Pulmonary Arterial Hypertension

NCT01027949
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Oral Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
12 Years and older
Enrollment
894 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2020
U.S. locations
61
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Oct 11, 2026, 8:05 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 11, 2026, 8:05 AM EDT
Terminated Phase 3 Interventional Results available

Inhaled Treprostinil in Participants With Pulmonary Hypertension Due to Chronic Obstructive Pulmonary Disease (PH-COPD)

NCT03794583
View directory record Official record
Conditions
Pulmonary Hypertension, Chronic Obstructive Pulmonary Disease
Interventions
Inhaled treprostinil solution
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
28
States / cities
Birmingham, Alabama • Sacramento, California • Clearwater, Florida + 23 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 11, 2026, 8:05 AM EDT
Completed No phase listed Observational

Study Of Right Ventricular Performance In PAH Patients Treated With Rapid Dose Treprostinil (Remodulin)

NCT02074449
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparative Bioavailability of Treprostinil Diethanolamine Manufactured by Two Independent Facilities

NCT01165476
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil diethanolamine
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 19, 2011 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Linearity and Comparative Bioavailability of Treprostinil Diethanolamine

NCT01153386
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil diethanolamine
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2010 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 2 Interventional Results available

A Dose Response Study of UT-15C SR in Patients With Exercise-Induced Pulmonary Hypertension

NCT01104870
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
UT-15C
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
9
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 5 more
Source: ClinicalTrials.gov public record
Updated May 27, 2016 · Synced Oct 11, 2026, 8:05 AM EDT
Active, not recruiting Phase 1 Interventional

PET Imaging Study of 89Zr-DFO-YS5 in Men With Prostate Cancer

NCT05245006
View directory record Official record
Conditions
Prostate Cancer, Metastatic Castration-resistant Prostate Cancer
Interventions
89Zr-DFO-YS5, YS5 antibody, Positron Emission Tomography (PET)/Computerized tomography (CT), Positron Emission Tomography (PET)/Magnetic Resonance Imaging (MRI)
Drug · Biological · Procedure
Lead sponsor
Robert Flavell, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Treprostinil to Treat Interstitial Lung Disease Pulmonary Hypertension

NCT05564637
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Interstitial Lung Disease, Healthy Adults
Interventions
Treprostinil, Right Heart Catheterization (RHC) while exercising, Optional Muscle Biopsy
Drug · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Oct 11, 2026, 8:05 AM EDT
Terminated Phase 3 Interventional Results available

Study of Ralinepag on Exercise Capacity by Cardiopulmonary Exercise Testing (CPET) in WHO Group 1 PH Subjects

NCT04084678
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
Ralinepag, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Tucson, Arizona • Aurora, Colorado • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 11, 2026, 8:05 AM EDT
Recruiting Phase 1 Interventional

DT2216 + Paclitaxel in Platinum-Resistant Ovarian Cancer

NCT06964009
View directory record Official record
Conditions
Ovarian Cancer, Ovarian Carcinoma, Recurrent Ovary Cancer, Recurrent Platinum-Resistant Ovarian Carcinoma
Interventions
DT2216, Paclitaxel
Drug
Lead sponsor
Elizabeth Stover, MD, PhD
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Not applicable Interventional Results available

Ultrasound-Guided Percutaneous Peripheral Nerve Stimulation: A Department of Defense Funded Multicenter Pilot Study

NCT03481725
View directory record Official record
Conditions
Rotator Cuff Repair, Anterior Cruciate Ligament Reconstruction, Ankle Arthrodesis or Arthroplasty, Hallux Valgus Correction
Interventions
ACTIVE peripheral nerve stimulation with a percutaneously inserted lead and wearable stimulator (SPR Therapeutics, Cleveland, Ohio), SHAM peripheral nerve stimulation with a percutaneously inserted lead and wearable SHAM stimulator (SPR Therapeutics, Cleveland, Ohio)
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
6
States / cities
San Diego, California • Bethesda, Maryland • Fort Bragg, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 2 Interventional Results available

Vadadustat for the Prevention and Treatment of Acute Respiratory Distress Syndrome (ARDS) in Hospitalized Patients With Coronavirus Disease 2019 (COVID-19)

NCT04478071
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Coronavirus Infection
Interventions
vadadustat, placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
448 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 1Phase 2 Interventional Results available

ch14.18 Pharmacokinetic Study in High-risk Neuroblastoma

NCT01592045
View directory record Official record
Conditions
Neuroblastoma
Interventions
ch14.18 -NCI, ch14.18-UTC, Granulocyte-Macrophage Colony-Stimulating Factor (GM-CSF), Aldesleukin (IL-2), Isotretinoin
Biological · Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
Up to 8 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
13
States / cities
Los Angeles, California • Atlanta, Georgia • Chicago, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Results available

Safety, Efficacy and Treatment Satisfaction in Patients With PAH Rapidly Switched From Epoprostenol to Remodulin

NCT00373360
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2013 · Synced Oct 11, 2026, 8:05 AM EDT
Completed No phase listed Observational Results available

A Study to Assess the Safety and Efficacy of Treprostinil to Facilitate Liver Transplantation in Patients With Portopulmonary Hypertension

NCT01028651
View directory record Official record
Conditions
Portopulmonary Hypertension, Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
Not listed
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Los Angeles, California • Atlanta, Georgia • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2017 · Synced Oct 11, 2026, 8:05 AM EDT
Terminated Phase 4 Interventional

Transitioning To IV Remodulin From Ventavis in Patients With PAH: Safety, Efficacy and Treatment Satisfaction

NCT00458042
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2007 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Tadalafil for Sarcoidosis Associated Pulmonary Hypertension

NCT01324999
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Tadalafil
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Assess the Safety, Tolerability, and Pharmacokinetics of Oral ARN-75039 in Healthy Adult Subjects

NCT05735249
View directory record Official record
Conditions
Healthy Adult Participants
Interventions
ARN-75039 oral capsules, Placebo
Drug
Lead sponsor
Arisan Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 11, 2026, 8:05 AM EDT
Completed Phase 4 Interventional

A Transition Study From Flolan® to Remodulin® in Patients With Pulmonary Arterial Hypertension

NCT00058929
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
8
States / cities
Los Angeles, California • Torrance, California • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2013 · Synced Oct 11, 2026, 8:05 AM EDT
Terminated Phase 3 Interventional Results available

Open-label Extension of Oral Treprostinil in Subjects With PH Associated With HFpEF

NCT03043651
View directory record Official record
Conditions
Pulmonary Hypertension Associated With HFpEF
Interventions
Oral treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
82
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 11, 2026, 8:05 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

An Open Label Extension Study to Evaluate Inhaled Treprostinil in Adult PH With ILD Including CPFE

NCT02633293
View directory record Official record
Conditions
Pulmonary Hypertension, Interstitial Lung Disease, Combined Pulmonary Fibrosis and Emphysema
Interventions
Inhaled Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
91
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 67 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2022 · Synced Oct 11, 2026, 8:05 AM EDT