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Azacitidine

Azacitidine is an active ingredient of the class «antimetabolite».

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Chemical compound

Informational only — not medical advice. Ask a doctor or pharmacist; never change a dose on your own.

What it is used for

ONUREG is indicated for continued treatment of adult patients with acute myeloid leukemia who achieved first complete remission (CR) or complete remission with incomplete blood count recovery (CRi) following intensive induction chemotherapy and are not able to complete intensive curative therapy.

US label

Vidaza is indicated for the treatment of adult patients who are not eligible for haematopoietic stem cell transplantation (HSCT) with: intermediate 2 and high-risk myelodysplastic syndromes (MDS) according to the International Prognostic Scoring System (IPSS), chronic…

EMA

How it works

Class: antimetabolite

Common side effects

The following clinically significant adverse reactions are described elsewhere in the labeling: • Myelosuppression The most common adverse reactions (≥ 10%) are nausea, vomiting, diarrhea, fatigue/asthenia, constipation, upper respiratory tract infection, pneumonia, abdominal pain, arthralgia, decreased appetite…

US label

Who should not take it

ONUREG is contraindicated in patients with known severe hypersensitivity to azacitidine or its components. History of severe hypersensitivity to azacitidine or its components.

US label

Pregnancy and breastfeeding

Based on its mechanism of action and findings in animals, ONUREG can cause fetal harm when administered to a pregnant woman. There are no available data on ONUREG use in pregnant women to evaluate for a drug-associated risk.

Excerpts from the US prescribing label (public domain), copied without changes.

Brand names

United States

Onureg · Vidaza

European Union

Azacitidine Accord · Azacitidine betapharm · Azacitidine Kabi · Azacitidine Mylan · Onureg · Vidaza

Canada

Onureg · Vidaza

Other trade names

Azacitidine celgene

Approval status

US Food and Drug Administration
prescription · since 2004
European Medicines Agency
authorised · since 2008
Health Canada
prescription · marketed
First approval anywhere
2004

Codes

ATC
L01BC07
RxNorm CUI
1251
ChEMBL
CHEMBL1489
PubChem CID
9444
UNII
M801H13NRU
Wikidata
Q416451

Frequently asked questions

What is Azacitidine used for?

Azacitidine is used for: Chronic myelomonocytic leukemia, Myelofibrosis, Acute myeloid leukemia, Refractory anemia with excess blasts in transformation, Myelodysplastic syndrome, Refractory anemia with excess of blasts, and Neoplasm.

What kind of medicine is Azacitidine?

Azacitidine is an active ingredient of the class «antimetabolite».

What are the brand names of Azacitidine?

Brand names of Azacitidine include Onureg, Vidaza, Azacitidine Accord, Azacitidine betapharm, Azacitidine Kabi, Azacitidine Mylan, and Azacitidine celgene.

Medicines in the same class

Sources and licences

Updated November 15, 2026