Recent Updates
Recently added Catalysts

TNX-103

Phase 3

Pulmonary Hypertension Associated With HFpEF | Small molecule | Cardiovascular |Tenax Therapeutics, Inc.|Last Updated: Mar 19, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment1,340
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07436689Long-Term Open-Label Extension Study of Oral LevosimendanPHASE3 ENROLLING BY_INVITATION 800Mar 13, 2026Mar 1, 2029Mar 19, 20265 United States
NCT07288398LEVEL-2: LEVosimendan to Improve Exercise Limitation in Patients With PH-HFpEF-2PHASE3 RECRUITING 540Mar 3, 2026Jun 30, 2029Mar 16, 202692 United States, Argentina +13
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
The incidence (i.e., the percentage of patients who experience at least 1 occurrence) of select AE/SAEs
From enrollment through study completion (up to 3 years)

The incidence (i.e., the percentage of patients who experience at least 1 occurrence) of select AE/SAEs will be tabulated by system organ class and preferred term.

6-Minute Walk Distance (6MWD)
26 weeks

Change in 6-minute walk distance

Secondary Endpoints
KCCQ (Kansas City Cardiomyopathy Questionnaire) score is a standardized measure that ranges from 0 to 100, where a higher score indicates better health.
26 weeks
Clinical Worsening Events
26 weeks
Clinical Worsening Event
26 weeks
Unlock Study Endpoints
Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
TNX-103EXPERIMENTALOpen-label oral levosimendan 1-3mg
PlaceboPLACEBO_COMPARATORMatching placebo (oral)
Interventions
NameTypeDescription
TNX-103DRUGOpen-label oral levosimendan 1-3mg
PlaceboDRUGMatching placebo (oral)
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — 85 Years
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * Completed a TNX-103 parent study * Investigator confirmation that participant may derive clinical benefit from continued access to TNX-103 * Requirements related to childbearing potential, contraception, and egg/sperm donation Exclusion Criteria: * Investigator or Sponsor op...

Countries:United StatesArgentinaAustriaBrazilBulgariaCzechiaFranceGermanyHungaryItalyPolandSouth KoreaSpainTaiwanUnited Kingdom
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07288398primaryCompletionDate: changed
LOWMay 26, 2026NCT07436689primaryCompletionDate: changed
LOWMay 24, 2026NCT07288398studyFirstPostDate: changed
LOWMay 24, 2026NCT07436689studyFirstPostDate: changed