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Riboxamide (tiazofurine)

unknown active ✓ Verified May 2026

Riboxamide (generic name: tiazofurine) is a tiazofurine drug. It is currently in unknown development.

Riboxamide works by inhibiting the enzyme thymidylate synthase, which is necessary for DNA synthesis.

Riboxamide is a small molecule that inhibits the enzyme IMP dehydrogenase. It was investigated for potential use in cancer treatment, but its development was halted due to side effects, and it may also have antiviral effects.

At a glance

Generic nametiazofurine
Drug classtiazofurine
Therapeutic areaOncology
Phaseunknown

Mechanism of action

Imagine your body's cells are constantly making new copies of their DNA. Riboxamide gets in the way of this process by blocking an enzyme that helps build new DNA. This can prevent cancer cells from growing and dividing.

Approved indications

No approved indications tracked.

Common side effects

No common side effects on file.

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Riboxamide

What is Riboxamide?

Riboxamide (tiazofurine) is a tiazofurine drug.

How does Riboxamide work?

Riboxamide works by inhibiting the enzyme thymidylate synthase, which is necessary for DNA synthesis.

What is the generic name of Riboxamide?

tiazofurine is the generic (nonproprietary) name of Riboxamide.

What drug class is Riboxamide in?

Riboxamide belongs to the tiazofurine class. See all tiazofurine drugs at /class/tiazofurine.

What development phase is Riboxamide in?

Riboxamide is in unknown.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing