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ClinicalTrials.gov public records Last synced Sep 8, 2026, 11:11 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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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
Conditions
Pulmonary Vascular Disease
Interventions
Hyperpolarized 129Xenon gas
Drug
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
PAH
Interventions
oral treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
7 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
9
States / cities
Palo Alto, California • San Francisco, California • Aurora, Colorado + 6 more
Conditions
Pulmonary Arterial Hypertension, Ayerza Syndrome, Pulmonary Hypertension
Interventions
Iloprost or placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
17
States / cities
Birmingham, Alabama • La Jolla, California • Palo Alto, California + 13 more
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
3
States / cities
Tucson, Arizona • San Francisco, California • Torrance, California
Conditions
Pulmonary Hypertension
Interventions
VentaProst
Combination Product
Lead sponsor
Aerogen Pharma Limited
Industry
Eligibility
18 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
3
States / cities
Stanford, California • Chicago, Illinois • Boston, Massachusetts
Conditions
Heart Diseases, Hypertension, Pulmonary
Interventions
tezosentan, placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
9
States / cities
Stanford, California • New York, New York • Durham, North Carolina + 5 more
Conditions
Pulmonary Arterial Hypertension
Interventions
Sotatercept, Placebo, Background PAH Therapy
Biological · Drug
Lead sponsor
Acceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USA
Industry
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
39
States / cities
Phoenix, Arizona • Tucson, Arizona • San Diego, California + 32 more
Conditions
Acute Heart Failure, Acute Decompensation of Chronic Heart Failure, New Onset of Heart Failure
Interventions
tezosentan
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years and older
Enrollment
735 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
8
States / cities
Birmingham, Alabama • Palo Alto, California • Denver, Colorado + 5 more
Conditions
Menstrual Migraine
Interventions
Treximet, Placebo
Drug
Lead sponsor
Cady, Roger, M.D.
Individual
Eligibility
18 Years to 45 Years · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Springfield, Missouri • Cincinnati, Ohio
Conditions
Hypertension, Pulmonary
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Inhaled iloprost 5.0 mcg, Placebo
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
40 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Platelet Aggregation
Interventions
aspirin, placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older · Male only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Pulmonary Arterial Hypertension (PAH)
Interventions
LIQ861 (treprostinil) inhalation powder
Combination Product
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Georgia
Conditions
Pulmonary Arterial Hypertension
Interventions
treprostinil, Crono Five ambulatory pump
Drug · Device
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
San Francisco, California • New York, New York • Oklahoma City, Oklahoma
Conditions
Pulmonary Arterial Hypertension
Interventions
inhaled prostacyclin, prostacyclin, subcutaneous and intravenous prostacyclin, oral ERA, oral PDE5 inhibitors
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
Not listed
Enrollment
1,333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
88
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 65 more
Completed Not applicable Interventional Accepts healthy volunteers

Reactive Oxygen Species in the Pathogenesis of Diabetic Complications

NCT00703989
Conditions
Type 1 Diabetes
Interventions
benfotiamine, α-lipoic acid
Dietary Supplement
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Pulmonary Arterial Hypertension
Interventions
observational study with patients treated with Tracleer, Ventavis, Veletri, Opsumit and/or Uptravi
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
797 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
75
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 63 more
Conditions
Systemic Sclerosis, Scleroderma
Interventions
treprostinil diethanolamine, placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
24
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 21 more
Conditions
PAH, Pulmonary Hypertension, Pulmonary Arterial Hypertension, Hypertension, Connective Tissue Diseases, Familial Primary Pulmonary Hypertension, Vascular Diseases, Cardiovascular Diseases, Hypertension, Pulmonary, Lung Diseases, Respiratory Tract Disease
Interventions
Ralinepag, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
68
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 50 more
Conditions
Acute Heart Failure, Acute Decompensation of Chronic Heart Failure, New Onset of Heart Failure
Interventions
tezosentan, placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years and older
Enrollment
713 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
16
States / cities
Huntsville, Alabama • Los Angeles, California • Jacksonville, Florida + 11 more
Conditions
Pulmonary Arterial Hypertension
Interventions
ACT-385781A (Actelion Epoprostenol), Flolan®
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
7
States / cities
La Jolla, California • Aurora, Colorado • Durham, North Carolina + 4 more
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
Conditions
Liver Transplant
Interventions
treprostinil sodium, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania