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Tebapivat · AG-946

Small molecule · Activator of pyruvate kinase R (PKLR) · developed by Agios Pharmaceuticals

Phase 2 Most advanced trial
AGIO Developer
3 Registered trials

What is Tebapivat?

Tebapivat is an oral small-molecule activator of pyruvate kinase R (PK-R), the red cell isoform of pyruvate kinase. It enhances glycolytic pathway activity in red blood cells, increasing ATP levels and reducing 2,3-DPG levels to improve oxygen affinity and RBC deformability. It is studied in pyruvate kinase deficiency, sickle cell anemia, and myelodysplastic syndromes.

Summary written with AI from the sources listed at the end of this page.

At a glance

Also known as
AG-946
Drug type
Small molecule
Targets
pyruvate kinase R (PKLR)
Mechanism
Activator of pyruvate kinase R (PKLR)
Pathways
glycolysis, ATP production, oxygen affinity
Therapy area
Hematology
Developer
Agios Pharmaceuticals, Inc. (AGIO)
FDA status
Investigational, not approved in the US. Most advanced trial: Phase 2
UNII
ORG4KGP5ZS

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT05490446 Phase 2 Myelodysplastic Syndromes Active not recruiting AGIO
NCT06745271 Phase 1 Healthy Participants Completed AGIO
NCT04536792 Phase 1 Healthy Volunteers Completed AGIO

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

Myelodysplastic SyndromesAnemia, Sickle CellHealthy ParticipantsHealthy Volunteers

Other drugs acting on PKLR

More from Agios Pharmaceuticals

Sources

Updated Oct 3, 2026. Something wrong or missing? Report it on the AGIO page.

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Data: FDA (Drugs@FDA, Purple Book, DailyMed), NIH (NCI Thesaurus, GSRS, RxNorm), ClinicalTrials.gov • Informational purposes only, not medical or investment advice. • All drugs A–Z

This data is for informational purposes only, not investment advice. BioRadar does not provide buy/sell recommendations. Past performance does not guarantee future results. Always do your own due diligence.