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5Fluorouracil

Small molecule · developed by ImmunityBio

Phase 2 Most advanced trial (none active)

IBRX Developer

1 Registered trials

What is 5Fluorouracil?

5-Fluorouracil is a pyrimidine analog that is studied in non-small cell lung cancer. The only source supplied gives its chemical name, 5-fluoro-2,4(1H,3H)-pyrimidinedione, and does not describe its mechanism of action.

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

At a glance

Drug type: Small molecule
Therapy area: Oncology
Developer: ImmunityBio, Inc. (IBRX)
FDA status: Investigational, not approved in the US. Most advanced trial: Phase 2

🧪 Clinical trials

Trial	Phase	Condition	Status	Sponsor
NCT03574649	Phase 2	Non Small Cell Lung Cancer	Withdrawn	IBRX

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

Conditions studied

Non Small Cell Lung Cancer

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Sources

ClinicalTrials.gov NCT03574649

Updated Oct 11, 2026. Something wrong or missing? Report it on the IBRX 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