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BLEX 404 Liquid

Phase 2

Myelodysplastic Syndrome (MDS) | Small molecule | Hematology |ABVC BioPharma, Inc.|Last Updated: Apr 13, 2026

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
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment52
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02944955A Study of BLEX 404 Oral Liquid in Patients With International Prognostic Scoring System (IPSS) Intermediate-1, Intermediate-2 or High-Risk Myelodysplastic Syndrome (MDS) and Chronic Myelomonocytic Leukemia (CMML)PHASE2 NOT YET_RECRUITING 52Jan 1, 2027Dec 31, 2028Apr 13, 2026 -
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Study Endpoints
Primary Endpoints
Part I: Recommended dose level (RDL) of BLEX 404 Oral Liquid
8 weeks (2 cycles of azacitidine)

RDL is defined by BLEX 404 Oral Liquid-related prohibited toxicity in subjects undergoing 2 cycles of azacitidine treatment. When one of the stopping criteria is met during the study treatment period, RDL will be set at the lower dose level.

Part II: Incidence of infections
24 weeks (6 cycles of azacitidine)

Number of subjects experience infection events and inpatient hospitalization due to infections.

Secondary Endpoints
Part I: (A) Number of subjects experience infections events and inpatient hospitalization due to infections
8 weeks (2 cycles of azacitidine)
Part I: (B) Treatments and duration of each infections
8 weeks (2 cycles of azacitidine)
Part I: (C) Complete remission (CR) or partial remission (PR) of bone marrow, peripheral blood, cytogenetic response (defined by 2006 IWG Criteria)
8 weeks (2 cycles of azacitidine)
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
BLEX 404 Oral LiquidEXPERIMENTALPart I: Part I-1: Low Dose BLEX 404 Oral Liquid (3 mg/kg, BID) is administered in combination with 2 cycles of azacitidine. Part I-2: High Dose BLEX 404 Oral Liquid (4.5 mg/kg, BID) is administered in combination with 2 cycles of azacitidine. Part II: Recommended Dose Level (RDL) of BLEX 404 Oral Liquid will be determined by results from Part I. BLEX 404 Oral Liquid at RDL is administered in combination with 6 cycles of azacitidine.
Interventions
NameTypeDescription
BLEX 404 Oral LiquidDRUGBLEX 404 Oral Liquid is orally administered twice daily in combination with azacitdine treatment cycles (2 cycles in Part I and 6 cycles in Part II). Azacitidine treatment: SC or IV injections at 75 mg/m2, QD for 7 days each cycle. 28 days/cycle, and repeat cycles every 4 weeks.
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Eligibility Criteria
Age Range20 Years — N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Age 20 or older, able to sign informed consent, understand and comply with protocol requirements and instructions. * Body weight between 30 to 120 kg * International Prognostic Scoring System (IPSS) intermediate-1 (int-1), intermediate-2 (int-2) or high-risk myelodysplastic sy...

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Competitive Landscape -Myelodysplastic Syndromes 76 trials
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT02944955primaryCompletionDate: changed
LOWMay 24, 2026NCT02944955studyFirstPostDate: changed