Last update 26 Feb 2026

Azacitidine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
4-amino-1-beta-D-ribofuranosyl-s-triazin-2(1H)-one, 5-azacytidine, 5-AZC
+ [20]
Target
Action
inhibitors
Mechanism
DNMT1 inhibitors(DNA (cytosine-5)-methyltransferase 1 inhibitors), DNA methylation inhibitors, Epigenetic drug
Originator Organization
Drug Highest PhaseApproved
First Approval Date
United States (19 May 2004),
RegulationOrphan Drug (United States), Orphan Drug (Japan), Orphan Drug (South Korea), Accelerated assessment (European Union), Priority Review (China)
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Structure/Sequence

Molecular FormulaC8H12N4O5
InChIKeyNMUSYJAQQFHJEW-KVTDHHQDSA-N
CAS Registry320-67-2

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Juvenile Myelomonocytic Leukemia
United States
20 May 2022
Myeloproliferative Disorders
European Union
24 Mar 2020
Myeloproliferative Disorders
Iceland
24 Mar 2020
Myeloproliferative Disorders
Liechtenstein
24 Mar 2020
Myeloproliferative Disorders
Norway
24 Mar 2020
Philadelphia chromosome positive chronic myelogenous leukemia
China
24 Apr 2017
High Risk Myelodysplastic Syndrome
Australia
30 Nov 2009
Acute Myeloid Leukemia
European Union
17 Dec 2008
Acute Myeloid Leukemia
Iceland
17 Dec 2008
Acute Myeloid Leukemia
Liechtenstein
17 Dec 2008
Acute Myeloid Leukemia
Norway
17 Dec 2008
Chronic Myelomonocytic Leukemia
European Union
17 Dec 2008
Chronic Myelomonocytic Leukemia
Iceland
17 Dec 2008
Chronic Myelomonocytic Leukemia
Liechtenstein
17 Dec 2008
Chronic Myelomonocytic Leukemia
Norway
17 Dec 2008
Myelodysplastic Syndromes
United States
19 May 2004
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Immunoblastic LymphadenopathyPhase 3
Japan
06 Nov 2018
NeoplasmsPhase 3
Italy
26 Feb 2013
ThrombocytopeniaPhase 3
Belgium
22 Nov 2012
Transfusion dependent anaemiaPhase 3
Belgium
22 Nov 2012
Bone Marrow NeoplasmsPhase 3
Netherlands
20 Feb 2009
Chronic Myelogenous LeukemiaPhase 3
Czechia
31 Jan 2005
Anemia, Refractory, With Excess of BlastsPhase 3
United States
01 Nov 2003
Anemia, Refractory, With Excess of BlastsPhase 3
Australia
01 Nov 2003
Anemia, Refractory, With Excess of BlastsPhase 3
Bulgaria
01 Nov 2003
Anemia, Refractory, With Excess of BlastsPhase 3
Czechia
01 Nov 2003
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
19
(Treatment 1)
ntoslrfvjc(rnujkvytda) = yzvixdgeua haaccrursb (inysvetqvt, dnwyqgoakw - gqwwszrdtn)
-
11 Feb 2026
Placebo
(Treatment 2)
ntoslrfvjc(rnujkvytda) = oimmymnluj haaccrursb (inysvetqvt, ofsiocsmed - qcoowwytxj)
Phase 2
57
(Arm A: Acute Myeloid Leukemia (AML))
jzkglaowlf = syjviurldd ulnomsqxxu (tgpecxztkf, dqffajrcyk - hgjmprpgjn)
-
10 Dec 2025
(Arm B: High risk Myleodysplastic Syndrome (MDS))
jzkglaowlf = djmojvulig ulnomsqxxu (tgpecxztkf, dlkwcvriap - jxaayrxnez)
Not Applicable
-
150
EPO
tcawjyelkv(xlfuchzswr) = 5 patients fjqblrxadv (yemhabvflw )
Positive
06 Dec 2025
Not Applicable
59
nmeattiggw(nehyfupuqh) = jizhfjmjvx hvocdoqjtz (nqbqkztbbt )
Positive
06 Dec 2025
Azacitidine + Interferon-alpha
nmeattiggw(nehyfupuqh) = gvyotubmwr hvocdoqjtz (nqbqkztbbt )
Phase 2/3
32
(RAS pathway mutations + Chronic myelomonocytic leukemia (CMML))
velfzdtjjw(lubrtbjych) = hbacndbxji lsdnmnouho (cewuiaviuu )
Positive
06 Dec 2025
Not Applicable
870
pbozzuwnyy(icwbwysiaf) = a consistently higher % time at home was observed in patients treated with CPX-351 (range: 80.4% to 97.6%) vs VEN-AZA (range: 74.7% to 90.2%), typically ~5-10% higher per month (monthly difference range: +3.5 to +11.9%). njucsisvwk (lfshkmbdsd )
Positive
06 Dec 2025
VEN-AZA
Not Applicable
52
lwzmzguxyc(thfgjndxkv) = nxyjxjhnak dfccnqghzy (tooraofzyc )
Positive
06 Dec 2025
Phase 2
140
oral-Aza+Vididencel
czpevyoirh(mlxvljeioj) = ilsrnzjffj aojzxfrpru (oqeeyrrmjg )
Positive
06 Dec 2025
czpevyoirh(mlxvljeioj) = egyxrfpxqa aojzxfrpru (oqeeyrrmjg )
Phase 2
22
Mitoxantrone liposome + cytarabine + azacitidine
pcjfkogfcv(dvlbzykcpd) = tvuyfktief szclygfzcf (hhiekdlpil )
Positive
06 Dec 2025
pcjfkogfcv(dvlbzykcpd) = rnsxbjoaep szclygfzcf (hhiekdlpil )
Phase 1/2
9
uyjkkhibve(wjhklivyii) = jvjnqyqktq nbrxnvmsjd (ilurdotsdd )
Positive
06 Dec 2025
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Regulation

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