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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

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment2,000

FDA Designations

No designations recorded

Clinical trial landscape

Mirasol-treated Fresh Whole Blood · 1 trial · 1 indication

Phase 3 1
NCT03737669Mirasol Evaluation of Reduction in Infections TrialTransfusion-Transmitted Infectious Disease
COMPLETED2,000 Analytics
PHASE3COMPLETED
Mirasol Evaluation of Reduction in Infections Trial
Transfusion-Transmitted Infectious DiseaseUnlock trial analytics

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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Frequently asked questions about Mirasol-treated Fresh Whole Blood

What is Mirasol-treated Fresh Whole Blood used for?

Mirasol-treated Fresh Whole Blood is an investigational blood product being studied for the reduction of transfusion-transmitted infectious disease. It is developed by United Therapeutics Corporation (UTHR) and is currently in Phase 3 clinical development. The product is intended to reduce the risk of infections transmitted through blood transfusions.

What does Mirasol-treated Fresh Whole Blood target?

Mirasol-treated Fresh Whole Blood is a pathogen reduction technology that uses riboflavin and ultraviolet light to inactivate pathogens in whole blood. It targets a broad range of infectious agents, including viruses, bacteria, and parasites, to reduce the risk of transfusion-transmitted infections. The technology is designed to be applied to whole blood before transfusion.

Who makes Mirasol-treated Fresh Whole Blood?

Mirasol-treated Fresh Whole Blood is being developed by United Therapeutics Corporation, a biotechnology company traded on the NASDAQ under the ticker symbol UTHR. The company is conducting clinical trials to evaluate the safety and efficacy of this blood product for reducing transfusion-transmitted infections.

What phase is Mirasol-treated Fresh Whole Blood in?

Mirasol-treated Fresh Whole Blood is in Phase 3 clinical development. It is an investigational product and has not been approved by regulatory authorities. The Phase 3 trial, known as the Mirasol Evaluation of Reduction in Infections Trial (NCT03737669), has been completed, with enrollment of 2,000 participants.

What clinical trials is Mirasol-treated Fresh Whole Blood in?

Mirasol-treated Fresh Whole Blood has one completed Phase 3 clinical trial, NCT03737669, titled 'Mirasol Evaluation of Reduction in Infections Trial.' This randomized, double-blind, placebo-controlled study enrolled 2,000 participants in Uganda to evaluate the product's effect on transfusion-transmitted infectious disease. The trial has been completed.

Is Mirasol-treated Fresh Whole Blood the same as Mirasol Pathogen Reduction Technology?

Mirasol-treated Fresh Whole Blood refers to whole blood that has been treated with the Mirasol pathogen reduction technology system. This system uses riboflavin and ultraviolet light to inactivate pathogens. The product is being developed by United Therapeutics Corporation and is currently in Phase 3 clinical trials for reducing transfusion-transmitted infections.