Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 1, 2026, 2:27 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
Conditions
Coronary Artery Bypass Grafting, Mitral Valve Surgery, Low Cardiac Output Syndrome
Interventions
Levosimendan, Placebo
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
882 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
49
States / cities
Burlington, Alabama • Huntsville, Alabama • Sacramento, California + 41 more
Conditions
Hypertension Pulmonary Secondary, Heart Failure, Right Sided, Heart Failure With Normal Ejection Fraction
Interventions
Levosimendan, Matching Placebo
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
16
States / cities
Stanford, California • Chicago, Illinois • Boston, Massachusetts + 10 more
Terminated Phase 2 Interventional Results available

Study of Oxycyte in Severe Closed Head Injury

NCT00174980
Conditions
Traumatic Brain Injury
Interventions
Oxycyte
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Pulmonary Hypertension
Interventions
TNX-103, Placebo
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
40
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 32 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
46
States / cities
Alexander City, Alabama • Tucson, Arizona • Sacramento, California + 40 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
9
States / cities
Chicago, Illinois • Boston, Massachusetts • Minneapolis, Minnesota + 6 more
Conditions
Hypertension Pulmonary Secondary Heart Failure, Right Sided Heart Failure With Normal Ejection Fraction, Heart Failure With Normal Ejection Fraction
Interventions
Levosimendan
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
9
States / cities
Stanford, California • Chicago, Illinois • Minneapolis, Minnesota + 6 more