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Tamibarotene

Phase 2

Acute Myeloid Leukemia | Small molecule | Oncology |Syros Pharmaceuticals, Inc.|Last Updated: Dec 13, 2024

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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment155
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02807558A Biomarker-Directed Phase 2 Trial of Tamibarotene (SY-1425) in Participants With Acute Myeloid Leukemia or Myelodysplastic SyndromePHASE2 COMPLETED 155Sep 20, 2016Jan 25, 2023Dec 13, 202426 United States, France
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Study Endpoints
Primary Endpoints
Overall Response Rate (ORR) in Biomarker Positive AML or HR-MDS Participants Treated With Tamibarotene Monotherapy or in Combination With Azacitidine
Up to 48 months

ORR was defined as: AML: number of participants with complete remission (CR), CR with incomplete blood count recovery (CRi), CR with partial hematologic recovery (CRh), partial remission(PR), or morphologic leukemia-free state (MLFS) determined by the investigator per revised International Working Group (IWG) AML criteria. HR-MDS: the number of participants with CR, PR, marrow CR (mCR), or HI determined by the investigator per revised IWG MDS criteria.

Transfusion Independence Rate (TIR) for LR-MDS Participants Treated With Tamibarotene Monotherapy
Up to 48 months

TIR was defined as the number of participants who achieved transfusion independence defined as 8 consecutive weeks of red blood cell (RBC) transfusion independence.

Number of Participants With Treatment-emergent Adverse Events (TEAEs) Treated With Tamibarotene in Combination With Daratumumab
Up to 48 months

A TEAE was any untoward medical occurrence associated with use of a study drug/study participation, whether or not considered related to study drug after first dose. A TEAE was any unfavorable/unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the study drug. A serious TEAE resulted in death, was life-threatening, required inpatient hospitalization/prolongation of existing hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect in the offspring of a participant who received study drug or other important medical events. A summary of serious and all other non-serious adverse events regardless of causality is located in the Reported Adverse Events module.

Secondary Endpoints
ORR in AML Participants Positive for the RARA Super-enhancer Associated Biomarker Treated With Tamibarotene in Combination With Azacitidine
Up to 48 months
ORR in AML Participants Positive for the Interferon Regulatory Factor 8 (IRF8) Biomarker and Negative for the RARA Super-enhancer Associated Biomarker Treated With Tamibarotene in Combination With Azacitidine
Up to 48 months
ORR in AML Participants Negative for the RARA Super-enhancer Associated Biomarker Treated With Tamibarotene in Combination With Azacitidine
Up to 48 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
R/R Non-APL AML or R/R HR-MDS: Tamibarotene MonotherapyEXPERIMENTALParticipants with R/R non-APL AML or R/R HR-MDS will receive tamibarotene at 6 mg/m\^2/day in 2 divided doses on Days 1-28 of a 28-day cycle.
Newly Diagnosed Non-APL AML: Tamibarotene MonotherapyEXPERIMENTALNewly diagnosed, treatment-naive participants with non-APL AML who were unlikely to tolerate standard intensive chemotherapy will receive tamibarotene at 6 mg/m\^2/day in 2 divided doses on Days 1-28 of a 28-day cycle.
Newly Diagnosed Non-APL AML: Tamibarotene and AzacitidineEXPERIMENTALNewly diagnosed, treatment-naive participants with non-APL AML who are unlikely to tolerate standard intensive chemotherapy will receive tamibarotene at 6 mg/m\^2/day in 2 divided doses on Days 8-28 of a 28-day cycle, and azacitidine at 75 mg/m\^2 once daily on Days 1-7 of a 28-day cycle.
LR-MDS: Tamibarotene MonotherapyEXPERIMENTALParticipants with transfusion-dependent LR-MDS without the del 5q abnormality who are refractory to erythropoietin (EPO) treatment or unlikely to respond to EPO treatment will receive tamibarotene at 6 mg/m\^2/day in 2 divided doses on Days 1-28 of a 28-day cycle.
R/R non-APL AML or R/R HR-MDS: Tamibarotene and DaratumumabEXPERIMENTALParticipants with R/R non-APL AML or R/R HR-MDS will receive tamibarotene at 6 mg/m\^2/day in 2 divided doses during a 7-day lead-in and on Days 1-28 of a 28-day cycle. Participants will also receive daratumumab at 16 mg/kg starting on Cycle 1 Day 1 once weekly for 8 weeks, followed by dosing every 2 weeks for 16 weeks, followed by dosing every 4 weeks.
R/R non-APL AML: Tamibarotene and AzacitidineEXPERIMENTALParticipants with R/R non-APL AML will receive tamibarotene at 6 mg/m\^2/day in 2 divided doses on Days 8-28 of a 28-day cycle, and azacitidine at 75 mg/m\^2 once daily on Days 1-7 of a 28-day cycle.
Interventions
NameTypeDescription
TamibaroteneDRUGAdministered as oral tablets
AzacitidineDRUGAdministered via intravenous (IV) or subcutaneous (SC) infusion
DaratumumabDRUGAdministered via IV infusion
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites26

Key Inclusion Criteria: 1. Must have: 1. Relapsed and/or refractory non-APL AML that has failed to achieve a complete remission (CR) or partial remission (PR) following standard induction therapy, or has relapsed after any duration of CR or PR i. Must have measurable disease with bone marrow bl...

Countries:United StatesFrance
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