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rigosertib

Phase 3

Myelodysplastic Syndromes | Small molecule | Hematology |Traws Pharma, Inc.|Last Updated: Jun 16, 2021

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
UNCONTROLLEDDMC
Total Trials2
Total Enrollment112
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01928537Efficacy and Safety of IV Rigosertib in MDS Patients With Excess Blasts Progressing After Azacitidine or DecitabinePHASE3 COMPLETED 67Aug 1, 2013Jun 29, 2017Jun 30, 202035 United States, Australia +6
NCT01904682Oral Rigosertib in Low Risk MDS Patients Refractory to ESAsPHASE2 COMPLETED 45Jul 1, 2013May 1, 2021Jun 16, 202114 United States, France +1
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Study Endpoints
Primary Endpoints
Relationship of bone marrow blast response and overall survival.
Up to 2 years.

Bone marrow blast response is defined as bone marrow (BM) complete response, ≥ 50% BM blast decrease from pretreatment value, or stable BM response (no progression) according to the International Working Group (IWG) 2006 criteria and overall survival. Overall survival is defined as the time from first study treatment to death from any cause. All patients will be followed until death and/or progression, even if they have discontinued treatment for whatever cause. Survival time of patients lost to follow-up will be censored at the time they were last known to be alive.

Hematologic Improvement
24 Weeks

The number of patients who achieve hematologic improvement will be documented. Hematologic improvement is defined by the 2006 International Working Group (IWG) response criteria for the erythroid, platelet and neutrophil lineages.

Secondary Endpoints
Number of patients with overall hematologic response.
Up to 2 years after study enrollment.
Number of patients with hematological improvement.
Up to 2 years after study enrollment.
Number of patients with cytogenetic response.
Up to 2 years after study enrollment.
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
rigosertib sodiumEXPERIMENTALRigosertib sodium will be administered as a 72-hr continuous intravenous infusion consisting of 3 consecutive doses of 1800 mg over 24 hours on Days 1, 2, and 3 of a 14-day cycle for the first 8 cycles and then on Days 1, 2, and 3 of a 28-day cycle for the following cycles.
Oral rigosertibEXPERIMENTALPatients will take 560 mg oral rigosertib (two 280 mg capsules) in the morning and 280 mg (one 280 mg capsule) in the afternoon, in fasting conditions, for 21 consecutive days of 21-day cycle (continuous regimen).
Interventions
NameTypeDescription
rigosertib sodiumDRUG -
Oral rigosertibDRUGDose of 560 mg consists of two (2) 280 mg soft gel capsules of rigosertib.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites35

Inclusion Criteria: * Diagnosis of MDS confirmed within 6 weeks prior to Screening according to WHO criteria or French-American-British (FAB) classification. * MDS classified as follows, according to WHO criteria and FAB classification: * RAEB-1 (5% to 9% BM blasts) * RAEB-2 (10% to 19% BM bla...

Countries:United StatesAustraliaDenmarkFranceGermanyItalySpainSweden
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Competitive Landscape -Myelodysplastic Syndromes 76 trials
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