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Mirasol-treated Fresh Whole Blood

Phase 3

Transfusion-Transmitted Infectious Disease | Monoclonal antibody | Other |United Therapeutics Corporation|Last Updated: Oct 6, 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 Enrollment2,000
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03737669Mirasol Evaluation of Reduction in Infections TrialPHASE3 COMPLETED 2,000Nov 13, 2019Sep 29, 2025Oct 6, 20251 Uganda
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Study Endpoints
Primary Endpoints
Cumulative incidence of at least one (1) pre-defined TTI
Up to 10 weeks

New case of any pre-defined TTIs (HIV, HBV, HCV, HEV, HHV-8, malaria, and/or bacterial infection) in a previously negative patient and matched from the blood donor, indicated by changes in laboratory findings at Day 2, Day 7, Week 4, or Week 10 after the first transfusion.

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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Mirasol-treated Fresh Whole BloodEXPERIMENTALStandard Fresh Whole Blood, treated with Mirasol Pathogen Reduction Technology
Standard Fresh Whole BloodPLACEBO_COMPARATORStandard-issue fresh whole blood
Interventions
NameTypeDescription
Mirasol-treated Fresh Whole BloodBIOLOGICALStandard issue FWB, which gave negative serological assay results for HIV, HBV, HCV, and syphilis will subsequently be treated with Mirasol PRT, then stored at 1 - 6 degrees Celsius and transfused within 21 days of collection.
Standard Fresh Whole BloodBIOLOGICALFresh whole blood that gave negative serological assay results for HIV, HBV, HCV, and syphilis will be stored at 1 - 6 degrees Celsius and transfused within 21 days of collection.
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Eligibility Criteria
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Willing to participate in study and patient or legally authorized representative has given written informed consent (IC) * Hemoglobin \< 7 g/dL or decision to transfusion by clinical team * Transfusion necessary based on clinical judgment of attending physician * Agree to retu...

Countries:Uganda
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