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ClinicalTrials.gov public records Last synced May 22, 2026, 3:54 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 30 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Chronic Thromboembolic Pulmonary Hypertension Clear all
Not listed No phase listed Observational
View directory record Official record
Conditions
Pulmonary Embolism, Pulmonary Hypertension, Chronic Thromboembolic Pulmonary Hypertension
Interventions
Catheter directed therapy, Systemic anticoagulation
Device · Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 22, 2022 · Synced May 22, 2026, 3:54 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
Macitentan, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 80 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
24
States / cities
La Jolla, California • Los Angeles, California • Sacramento, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced May 22, 2026, 3:54 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Chronic Thromboembolic Pulmonary Hypertension, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Pulmonary Hypertension Association, Inc.
Other
Eligibility
0 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
52
States / cities
Phoenix, Arizona • Sacramento, California • San Francisco, California + 40 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced May 22, 2026, 3:54 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
CTEPH
Interventions
Macitentan Tablets, Riociguat, balloon pulmonary angioplasty
Drug · Device
Lead sponsor
Dr Sudarshan Rajagopal
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced May 22, 2026, 3:54 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Riociguat (Adempas, BAY63-2521), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 80 Years
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
9
States / cities
La Jolla, California • Sacramento, California • Miami, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2023 · Synced May 22, 2026, 3:54 AM EDT
No Longer Available No phase listed Expanded access
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Adempas (Riociguat, BAY63-2521)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 80 Years
U.S. locations
24
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced May 22, 2026, 3:54 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Interstitial Lung Disease, Chronic Thromboembolic Pulmonary Hypertension, Acute Pulmonary Embolism, Anemia, Polycythemia, Dyspnea
Interventions
Hyperpolarized Xe129, Oxygen Administration
Drug · Other
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced May 22, 2026, 3:54 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, CTEPH
Interventions
Riociguat, Placebo, Pulmonary endarterectomy
Drug · Procedure
Lead sponsor
International CTEPH Association
Other
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2021 · Synced May 22, 2026, 3:54 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced May 22, 2026, 3:54 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension, Pulmonary Arterial Hypertension (PAH) (WHO Group 1 PH), Pulmonary Arterial Hypertension Associated With Connective Tissue Disease, Pulmonary Arterial Hypertension Associated With Connective Tissue Disease (Disorder), Pulmonary Arterial Hypertension Associated With Schistosomiasis (Disorder), Pulmonary Arterial Hypertension of Congenital Heart Disease, Pulmonary Arterial and Chronic Thromboembolic Pulmonary Hypertension
Interventions
Saliva sample, Health surveys
Genetic · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced May 22, 2026, 3:54 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
Post-pulmonary embolism follow up protocol
Procedure
Lead sponsor
Mark W. Dodson
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated May 16, 2019 · Synced May 22, 2026, 3:54 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, CTEPH
Interventions
Not listed
Lead sponsor
International CTEPH Association
Other
Eligibility
Not listed
Enrollment
1,019 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
3
States / cities
La Jolla, California • Baltimore, Maryland • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced May 22, 2026, 3:54 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, CTEPH
Interventions
Balloon pulmonary angioplasty
Procedure
Lead sponsor
International CTEPH Association
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
5
States / cities
La Jolla, California • Boston, Massachusetts • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced May 22, 2026, 3:54 AM EDT
Terminated Phase 3 Interventional Results available
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 10, 2017 · Synced May 22, 2026, 3:54 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
Selexipag, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 85 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
32
States / cities
La Jolla, California • Los Angeles, California • Aurora, Colorado + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced May 22, 2026, 3:54 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension (CTEPH), Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
754 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced May 22, 2026, 3:54 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
On-screen computerized decision support alert
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced May 22, 2026, 3:54 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, Chronic Thromboembolic Disease
Interventions
Survey
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced May 22, 2026, 3:54 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
CTEPH
Interventions
Not listed
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced May 22, 2026, 3:54 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, Acute Lung Injury
Interventions
Ventilation Strategy
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced May 22, 2026, 3:54 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Riociguat (Adempas, BAY63-2521)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 80 Years
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
8
States / cities
La Jolla, California • Sacramento, California • Iowa City, Iowa + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced May 22, 2026, 3:54 AM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, CTEPH
Interventions
Pulmonary endarterectomy, Balloon pulmonary angioplasty, Pulmonary hypertension (PH)-specific medication
Procedure · Drug
Lead sponsor
International CTEPH Association
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
San Diego, California • Evanston, Illinois • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced May 22, 2026, 3:54 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Up to 21 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced May 22, 2026, 3:54 AM EDT
Terminated Phase 3 Interventional Results available
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 5, 2017 · Synced May 22, 2026, 3:54 AM EDT