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vadadustat

Phase 2

Acute Respiratory Distress Syndrome | Small molecule | Other |United Therapeutics Corporation|Last Updated: Mar 26, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment448
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04478071Vadadustat for the Prevention and Treatment of Acute Respiratory Distress Syndrome (ARDS) in Hospitalized Patients With Coronavirus Disease 2019 (COVID-19)PHASE2 COMPLETED 448Aug 22, 2020Mar 25, 2022Mar 26, 20251 United States
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Study Endpoints
Primary Endpoints
Number of Participants Who Are Classified 8 (Dead), 7 (Hospitalized, on Invasive Mechanical Ventilation or ECMO), or 6 (Hospitalized, on Non-invasive Ventilation or High Flow Oxygen Devices) on the NIAID Ordinal Scale
day 14

National Institute of Allergy and Infectious Disease Ordinal Scale (NIAID-OS): 8 - Death 7 - Hospitalized, on invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO) 6 - Hospitalized, on non-invasive ventilation or high flow oxygen devices 5 - Hospitalized, requiring supplemental oxygen 4 - Hospitalized, not requiring supplemental oxygen - requiring ongoing care (COVID-19 related or otherwise) 3 - Hospitalized, not requiring supplemental oxygen - no longer requires ongoing medical care 2 - Not hospitalized, limitation on activities and/or requiring home oxygen 1 - Not hospitalized, no limitations on activities

Secondary Endpoints
Number of Participants With a Total Score of 0 on the Modified Sequential Organ Failure Assessment (MSOFA) Scale
day 14
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
vadadustatEXPERIMENTAL -
placeboPLACEBO_COMPARATOR -
Interventions
NameTypeDescription
vadadustatDRUGParticipants will receive vadadustat once daily for 14 days.
placeboDRUGParticipants will receive matching placebo once daily for 14 days.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Laboratory-confirmed diagnosis of COVID-19 by detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA by Reverse transcription polymerase chain reaction (RT-PCR) from any specimen respiratory * Admitted to the hospital within 36 hours * Oxygen saturation ...

Countries:United States
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