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ClinicalTrials.gov public records Last synced May 22, 2026, 2:48 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 36 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pulmonary Hypertension, Primary, 2 Clear all
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Selexipag, Placebo, Standard of Care (SOC): Endothelin receptor antagonist, SOC: Phosphodiesterase type 5 (PDE-5) inhibitor, SOC: Soluble guanylate cyclase stimulator
Drug
Lead sponsor
Actelion
Industry
Eligibility
2 Years to 17 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
13
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced May 22, 2026, 2:48 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
AIR001
Drug
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
17
States / cities
La Jolla, California • Torrance, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Dose A KER-012, Dose B KER-012, Dose C KER-012, Placebo for 24 Weeks followed by Dose B KER-012 for 72 weeks
Biological
Lead sponsor
Keros Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
16
States / cities
Scottsdale, Arizona • Tucson, Arizona • Stanford, California + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced May 22, 2026, 2:48 AM EDT
Withdrawn Phase 1 Interventional
View directory record Official record
Conditions
Pulmonary Artery Hypertension
Interventions
reserpine, stellate ganglion block, lidocaine
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Fluoxetine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
16 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
ubenimex, placebo
Drug · Other
Lead sponsor
Eiger BioPharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
28
States / cities
Birmingham, Alabama • Beverly Hills, California • La Jolla, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2023 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Placebo, Selonsertib
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
24
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Fibrosis
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Geno LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2016 · Synced May 22, 2026, 2:48 AM EDT
Active, not recruiting Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
selexipag (Uptravi)
Drug
Lead sponsor
Actelion
Industry
Eligibility
2 Years to 17 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Aurora, Colorado • Iowa City, Iowa • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced May 22, 2026, 2:48 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
PF-07868489
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
13
States / cities
Sacramento, California • San Francisco, California • Aurora, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced May 22, 2026, 2:48 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sotatercept
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
1 Year to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
10
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Artery Hypertension
Interventions
GB002 (seralutinib), Placebo, Generic Dry Powder Inhaler
Drug · Device
Lead sponsor
GB002, Inc., a wholly owned subsidiary of Gossamer Bio, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
36
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced May 22, 2026, 2:48 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
PAH
Interventions
75mg CXA-10, 150mg CXA-10, Placebo
Drug · Other
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2020 · Synced May 22, 2026, 2:48 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
AIR001 (sodium nitrite inhalation solution)
Drug
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
17
States / cities
La Jolla, California • Torrance, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
Inhaled Nitric Oxide 0.025 mg/kg IBW/hr delivered via INOpulse DS Device, Placebo delivered via INOpulse DS Device, Inhaled nitric oxide 0.075 mg/kg IBW/hr delivered via INOpulse DS Device
Combination Product
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
16 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
47
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 38 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2023 · Synced May 22, 2026, 2:48 AM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension Due to Lung Diseases
Interventions
L606 inhalation suspension
Combination Product
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
8
States / cities
Scottsdale, Arizona • Los Angeles, California • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Placebo, Sotatercept, SOC
Drug · Other
Lead sponsor
Acceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USA
Industry
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
12
States / cities
Phoenix, Arizona • Tucson, Arizona • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced May 22, 2026, 2:48 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Cicletanine, Cicletanine Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years to 70 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
39
States / cities
Mobile, Alabama • Phoenix, Arizona • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced May 22, 2026, 2:48 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
PAH
Interventions
CXA-10
Drug
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2020 · Synced May 22, 2026, 2:48 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Scleroderma, Diffuse, Scleroderma, Systemic, Scleroderma, Limited, Sclerosis, Progressive Systemic, Skin Diseases, Connective Tissue Diseases, Pathologic Processes, Autoimmune Diseases
Interventions
Oral Ifetroban, Oral Placebo
Drug
Lead sponsor
Cumberland Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
10
States / cities
Tucson, Arizona • Los Angeles, California • Weston, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced May 22, 2026, 2:48 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
CXA-10
Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Hypertension, Pulmonary
Interventions
Frespaciguat, Placebo to Frespaciguat
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
26
States / cities
La Jolla, California • Sacramento, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced May 22, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
rodatristat ethyl 300 mg tablet BID, rodatristat ethyl 600 mg BID, Placebo
Drug
Lead sponsor
Altavant Sciences GmbH
Industry
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
28
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced May 22, 2026, 2:48 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Carvedilol, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced May 22, 2026, 2:48 AM EDT