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Tebapivat

Phase 2

Myelodysplastic Syndromes | Small molecule | Hematology |Agios Pharmaceuticals, Inc.|Last Updated: May 29, 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
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment87
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05490446A Study of Tebapivat (AG-946) in Participants With Anemia Due to Lower-Risk Myelodysplastic Syndromes (LR-MDS)PHASE2 ACTIVE NOT_RECRUITING 87Nov 7, 2022Mar 1, 2029May 29, 202645 United States, Australia +11
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Study Endpoints
Primary Endpoints
Phase 2a: Proportion of Participants With Hemoglobin (Hb) Response
Baseline, Week 8 through Week 16

Hb response is defined as a ≥1.5-grams per deciliter (g/dL) increase from baseline in the average Hb concentration from Week 8 through Week 16.

Phase 2a: Proportion of Participants With Transfusion Independence During the Core Period
Up to 16 weeks

Transfusion Independence is defined as transfusion-free for ≥8 consecutive weeks during the Core Period (participants With Low Transfusion Burden \[LTB\] only).

Phase 2b: Proportion of Participants With Transfusion Independence
Up to 24 weeks

Transfusion independence, defined as transfusion-free for ≥8 consecutive weeks (TI8) during the Core Period.

Secondary Endpoints
Phase 2a: Proportion of Participants With Adverse Events (AEs), Serious Adverse Events (SAEs), and AEs Leading to Discontinuation During the Core Period
Up to 16 weeks
Phase 2a: Proportion of Participants With Laboratory Abnormalities During the Core Period
Up to 16 weeks
Phase 2a: Proportion of Participants With Hb 1.0+ Response
Baseline, Week 8 through Week 16
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Core Period: Phase 2a - Tebapivat 5 mgEXPERIMENTALParticipants will receive 5 milligrams (mg) tebapivat orally, once daily for up to 16 weeks. At the discretion of the investigator, participants who complete the Core Period will be eligible to receive the same dose in Extension Period for up to 156 weeks.
Core Period: Phase 2b - Tebapivat 10 mgEXPERIMENTALParticipants will receive 10 mg tebapivat, orally, once daily for up to 24 weeks. At the discretion of the investigator, participants who complete the Core Period will be eligible to receive the same dose in Extension Period for up to 156 weeks.
Core Period: Phase 2b - Tebapivat 15 mgEXPERIMENTALParticipants will receive 15 mg tebapivat, orally, once daily for up to 24 weeks. At the discretion of the investigator, participants who complete the Core Period will be eligible to receive the same dose in Extension Period for up to 156 weeks.
Core Period: Phase 2b - Tebapivat 20 mgEXPERIMENTALParticipants will receive 20 mg tebapivat, orally, once daily for up to 24 weeks. At the discretion of the investigator, participants who complete the Core Period will be eligible to receive the same dose in Extension Period for up to 156 weeks.
Interventions
NameTypeDescription
TebapivatDRUGTebapivat Tablet
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites45

Inclusion Criteria: Phase 2a 1. At least 18 years of age at the time of providing informed consent; 2. Documented diagnosis of myelodysplastic syndromes (MDS) according to World Health Organization (WHO) classification (Arber et al, 2016), that meets Revised International Prognostic Scoring System...

Countries:United StatesAustraliaAustriaCzechiaFranceGermanyGreeceIsraelItalyPolandSouth KoreaSpainUnited Kingdom
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Competitive Landscape -Myelodysplastic Syndromes 76 trials
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Recent Changes (Last 90 Days)
LOWMay 29, 2026NCT05490446lastUpdatePostDate: changed
LOWMay 29, 2026NCT05490446lastUpdatePostDate: changed
LOWMay 29, 2026NCT05490446lastUpdatePostDate: changed
LOWMay 26, 2026NCT05490446primaryCompletionDate: changed
LOWMay 24, 2026NCT05490446studyFirstPostDate: changed