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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Chronic Thromboembolic Pulmonary Hypertension Clear all
Completed No phase listed Observational

International BPA Registry

NCT03245268
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 Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional

Computerized Decision Support to Increase Detection of Chronic Thromboembolic Pulmonary Hypertension in Patients With Prior Pulmonary Embolism

NCT03729544
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 Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational

Thrombosis Outcomes in Pediatric Venous Thromboembolism

NCT03068923
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 Jul 21, 2026, 6:45 AM EDT
Recruiting No phase listed Observational

Chronic Thromboembolic Disease Registry

NCT05843500
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 Jul 13, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational

U.S. CTEPH Registry

NCT02429284
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 Jul 21, 2026, 6:45 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 10, 2017 · Synced Jul 21, 2026, 6:45 AM EDT
Terminated Phase 2 Interventional Results available

Riociguat in Patients With Operable CTEPH Prior to Pulmonary Endarterectomy (PEA Bridging Study)

NCT03273257
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 Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational

Validation of SEARCH, a Novel Hierarchical Algorithm to Define Long-term Outcomes After Pulmonary Embolism

NCT05568927
View directory record Official record
Conditions
Pulmonary Embolism, Chronic Thromboembolic Pulmonary Hypertension
Interventions
SEARCH algorithm
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
8
States / cities
Fresno, California • Irvine, California • Los Angeles, California + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Jul 21, 2026, 6:45 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 5, 2017 · Synced Jul 21, 2026, 6:45 AM EDT
Recruiting Phase 3 Interventional

Effects of Combination Medical Therapy Followed by BPA on Right Ventricular-PA Coupling and Hemodynamics in CTEPH

NCT05140525
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 Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational

New International CTEPH Database

NCT02656238
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 Jul 21, 2026, 6:45 AM EDT
Withdrawn Not applicable Interventional

Non-Invasive Measurement of Cardiac Output and Stroke Volume in PAH/CTEPH

NCT05618093
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Chronic Thromboembolic Pulmonary Hypertension
Interventions
Non-invasive hemodynamic measurements
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

RF Surgical Sponge-Detecting System on the Function of Pacemakers and Implantable Cardioverter Defibrillators

NCT02111980
View directory record Official record
Conditions
Cardiomyopathy, Cardiac Arrhythmia, Heart Failure, Chronic Thromboembolic Pulmonary Hypertension
Interventions
RF Assure Scanning
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2019 · Synced Jul 21, 2026, 6:45 AM EDT
Not listed Not applicable Interventional

The Prospective Risk Factor Evaluation & Discovery In CTEPH Study

NCT03470207
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 Jul 21, 2026, 6:45 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Find Out if Selexipag is Effective and Safe in Patients With Chronic Thromboembolic Pulmonary Hypertension When the Disease is Inoperable or Persistent/Recurrent After Surgery and/or Interventional Treatment

NCT03689244
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 Jul 21, 2026, 6:45 AM EDT
Not listed No phase listed Observational

Identification of Heritable CTEPH

NCT03579862
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension
Interventions
Blood Draw
Other
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Jul 21, 2026, 6:45 AM EDT
Recruiting No phase listed Observational

Pulmonary Hypertension Association Registry

NCT04071327
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 Jul 21, 2026, 6:45 AM EDT
Active, not recruiting No phase listed Observational

TrEatment Approach in the Multimodal Era Registry

NCT05629052
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 Jul 21, 2026, 6:45 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Rutgers University Study of the Genetics of Pulmonary Hypertension

NCT07217522
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 Jul 21, 2026, 6:45 AM EDT
Not listed No phase listed Observational

Ventilation and Perfusion Scan in Pulmonary Embolism Following Catheter Directed Thrombectomy Versus Anticoagulation Alone

NCT05133713
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 Jul 21, 2026, 6:45 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of Oral BAY63-2521 in Patients With CTEPH.

NCT00855465
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 Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational

Pulmonary Perfusion Heterogeneity in Patients With CTEPH Using Functional PET Imaging

NCT02114047
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 Jul 21, 2026, 6:45 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of Macitentan 75 mg in Inoperable or Persistent/Recurrent Chronic Thromboembolic Pulmonary Hypertension

NCT04271475
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 Jul 21, 2026, 6:45 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

129Xe MRI Cardiopulmonary

NCT06038630
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 Jul 21, 2026, 6:45 AM EDT