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S-303 Treated Red Blood Cells

Phase 3

Thalassemia Major | Monoclonal antibody | Hematology |Cerus Corporation|Last Updated: Jul 18, 2018

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-BlindACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment86
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01740531Study to Evaluate Efficacy and Safety of S303 Treated Red Blood Cells (RBCs)in Subjects With Thalassemia Major Requiring Chronic RBC TransfusionPHASE3 COMPLETED 86Dec 1, 2012Dec 31, 2017Jul 18, 20183 Italy, Turkey (Türkiye)
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Study Endpoints
Primary Endpoints
Primary Efficacy Endpoint - Hemoglobin consumption
12 months

Hemoglobin consumption measured as total hemoglobin mass transfused per subject adjusted for average body weight and the number of days during the efficacy evaluation period (adjusted hemoglobin (Hgb) consumption units are g Hgb/kg body weight/day).

Primary Safety Endpoint-Incidence of a treatment-emergent antibody with confirmed specificity to S 303 treated red blood cells (RBC)
12 months

Incidence of a treatment-emergent antibody with confirmed specificity to S 303 treated red blood cells (RBC) associated with clinically significant hemolysis

Secondary Endpoints
Secondary Efficacy Endpoint-Hemoglobin increment
12 months
Secondary Efficacy Endpoint-Proportional decline in post transfusion hemoglobin level per day (%/day)
12 months
Secondary Safety Endpoint-Adverse Events
12 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelCROSSOVER
PurposeOTHER
Treatment Arms
ArmTypeDescription
S-303 Treated Red Blood Cells (RBC)EXPERIMENTALPatients will be randomly assigned to the sequence of administration of Test and Control RBCs; eligible patients are randomly assigned to receive Test RBCs followed by Control RBCs or Control RBCs followed by Test RBCs. Each patient will complete both treatment periods.
Conventional, untreated Red Blood CellsACTIVE_COMPARATORPatients will be randomly assigned to the sequence of administration of Test and Control RBCs; eligible patients are randomly assigned to receive Test RBCs followed by Control RBCs or Control RBCs followed by Test RBCs. Each patient will complete both treatment periods.
Interventions
NameTypeDescription
S-303 Treated Red Blood Cells (RBCs)BIOLOGICAL -
Conventional, untreated Red Blood CellsBIOLOGICAL -
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Eligibility Criteria
Age Range10 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites3

Inclusion Criteria: * Age ≥10 years, of either gender * Diagnosed with thalassemia major and currently participating in a chronic transfusion program * At least a one year history of chronic RBC transfusion support with a stable transfusion requirement (per treating physician) * Intervals of at lea...

Countries:ItalyTurkey (Türkiye)
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