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Ordastobart · INBRX-106

Monoclonal antibody · Agonist of OX40 (TNFRSF4) · developed by Inhibrx Biosciences

Phase 2/3 Most advanced trial
INBX Developer
2 Registered trials

What is Ordastobart?

Ordastobart is a hexavalent humanized IgG antibody that binds and clusters OX40 receptors on T-lymphocytes, activating them to proliferate and survive. It is studied in solid tumors including non-small cell lung cancer, head and neck cancer, melanoma, gastric cancer, renal cell carcinoma, and urothelial carcinoma.

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

At a glance

Also known as
INBRX-106
Drug type
Monoclonal antibody
Targets
OX40 (TNFRSF4)
Mechanism
Agonist of OX40 (TNFRSF4)
Pathways
T-cell proliferation, T-cell survival
Therapy area
Oncology
Developer
Inhibrx Biosciences, Inc (INBX)
FDA status
Investigational, not approved in the US. Most advanced trial: Phase 2/3
UNII
ZP8ENC5W1B

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT06295731 Phase 2/3 Head and Neck Squamous Cell Carcinoma (HNSCC) Active not recruiting INBX
NCT04198766 Phase 1/2 Solid Tumor Recruiting INBX

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

Conditions studied

Gastric CancerHead and Neck CancerHead and Neck Squamous Cell Carcinoma (HNSCC)MelanomaNon-Small Cell Lung CancerRenal Cell CarcinomaResectable Non-Small-Cell Lung CancerSolid TumorUrothelial Carcinoma

More from Inhibrx Biosciences

Sources

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

Follow INBX, the company behind Ordastobart

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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.