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defibrotide

Phase 3

Veno-occlusive Disease | Small molecule | Other |Jazz Pharmaceuticals plc|Last Updated: Mar 2, 2022

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
RandomizedCONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment523
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02851407Study Comparing Efficacy and Safety of Defibrotide vs Best Supportive Care in the Prevention of Hepatic Veno-Occlusive Disease in Adult and Pediatric PatientsPHASE3 COMPLETED 372Sep 1, 2016Oct 20, 2020Mar 2, 2022114 United States, Australia +12
NCT00003966Defibrotide in Treating Patients With Liver Damage Following Peripheral Stem Cell TransplantationPHASE2 COMPLETED 151Apr 1, 2000Apr 1, 2006Jan 20, 20179 United States
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Study Endpoints
Primary Endpoints
Veno-occlusive Disease (VOD)-Free Survival by Day +30 Post-Hematopoietic Stem Cell Transplant (HSCT) Per the Independent Endpoint Adjudication Committee (EPAC)
Day +30 Post-HSCT

VOD-free survival is a composite of survival status and VOD occurrence as determined by modified Seattle criteria adjudicated by a blinded independent EPAC. An event is defined as a VOD diagnosis (as assessed by the EPAC) or death, whichever, is earlier, up to and including Day +30 post-HSCT. The values reported below are participants who did not experience VOD or death by Day +30 post-HSCT.

Complete Response Rate as measured by a total bilirubin of < 2 mg/dL and resolution of multi-organ failure attributable to veno-occlusive disease (VOD)
60 Days
Secondary Endpoints
Veno-Occlusive Disease (VOD)-Free Survival by Day +100 Post-Hematopoietic Stem Cell Transplant (HSCT) Per the Independent Endpoint Adjudication Committee (EPAC)
Day +100 Post-HSCT
Percentage of Participants With Veno-Occlusive Disease (VOD) by Day +30 Post-Hematopoietic Stem Cell Transplant (HSCT)
Day +30 Post-HSCT
Veno-Occlusive Disease (VOD)-Free Survival Rate by Day +180 Post-Hematopoietic Stem Cell Transplant (HSCT)
Day +180 Post-HSCT
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
DefibrotideEXPERIMENTALDefibrotide is administered intravenously at a dose of 25 mg/kg/day in addition to best supportive care on the day before the first day of the conditioning regimen and will continue (for those patients without a VOD diagnosis) for a recommended minimum of 21 days and end no later than Day +30 post HSCT
Best Supportive CareOTHERBest supportive care alone (without the addition of defibrotide) according to institutional guidelines and patient need, is administered on the first day of conditioning and will continue until Day +30 post HSCT or hospital discharge, whichever is sooner, or diagnosis of VOD, if applicable
Arm A Lower doseEXPERIMENTALThis is a randomized, multicenter study. All patients initially receive the same dose of defibrotide IV over 2 hours every 6 hours on day 1. On day 2, patients are randomized to 1 of 2 doses of defibrotide. \- Arm I: On days 2-14, patients receive a lower dose of defibrotide IV over 2 hours every 6 hours. In both arms, courses repeat every 14 days in the absence of disease progression or unacceptable toxicity
Arm B Higher DoseEXPERIMENTALThis is a randomized, multicenter study. All patients initially receive the same dose of defibrotide IV over 2 hours every 6 hours on day 1. On day 2, patients are randomized to 1 of 2 doses of defibrotide. \- Arm II: On days 2-14, patients receive a higher dose of defibrotide IV over 2 hours every 6 hours. In both arms, courses repeat every 14 days in the absence of disease progression or unacceptable toxicity
Interventions
NameTypeDescription
DefibrotideDRUG -
Best Supportive CareOTHER -
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Eligibility Criteria
Age Range1 Month — N/A
SexALL
Healthy VolunteersNo
Study Sites114

Inclusion Criteria: 1. Patient must be above the age of 1 month as of the start date of study treatment. 2. Patient must be scheduled to undergo allogeneic hematopoietic stem cell transplant (HSCT) (adults or pediatric patients) or autologous HSCT (pediatric patients only) and be at high risk or ve...

Countries:United StatesAustraliaBelgiumCanadaFranceGermanyIsraelItalyJapanNew ZealandSouth KoreaSpainTurkey (Türkiye)United Kingdom
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