Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 23, 2026, 2:07 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Conditions
Pulmonary Hypertension, Heart Failure With Preserved Ejection Fraction
Interventions
Oral treprostinil, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
82
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 66 more
Conditions
Pulmonary Hypertension Associated With HFpEF
Interventions
TNX-103
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
7
States / cities
Chicago, Illinois • Minneapolis, Minnesota • Rochester, Minnesota + 4 more
Conditions
Pulmonary Hypertension Associated With HFpEF
Interventions
TNX-103, Placebo
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
18
States / cities
Alexander City, Alabama • Tamarac, Florida • Mount Prospect, Illinois + 15 more
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