Last update 28 Mar 2026

Hydroxycarbamide

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Carbamohydroxamic acid, Carbamohydroximic acid, Carbamoyl oxime
+ [20]
Target
Action
inhibitors
Mechanism
RNR inhibitors(Ribonucleotide reductase inhibitors)
Originator Organization
Active Organization
Drug Highest PhaseApproved
First Approval Date
United States (07 Dec 1967),
RegulationOrphan Drug (United States), Orphan Drug (Australia)
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Structure/Sequence

Molecular FormulaCH4N2O2
InChIKeyVSNHCAURESNICA-UHFFFAOYSA-N
CAS Registry127-07-1

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Polycythemia Vera
Japan
25 Mar 2013
Polycythemia Vera
Japan
25 Mar 2013
Vaso-occlusive crisis
European Union
29 Jun 2007
Vaso-occlusive crisis
Iceland
29 Jun 2007
Vaso-occlusive crisis
Liechtenstein
29 Jun 2007
Vaso-occlusive crisis
Norway
29 Jun 2007
Chronic Myelogenous Leukemia
Japan
03 Jul 1992
refractory chronic myelocytic leukemia
Japan
03 Jul 1992
Thrombocythemia, Essential
Japan
03 Jul 1992
Head and Neck Neoplasms
China
01 Jan 1981
Kidney Neoplasms
China
01 Jan 1981
Melanoma
China
01 Jan 1981
Philadelphia chromosome positive chronic myelogenous leukemia
China
01 Jan 1981
Squamous Cell Carcinoma of Head and Neck
China
01 Jan 1981
Anemia, Sickle Cell
United States
07 Dec 1967
Pain
United States
07 Dec 1967
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Sickle Cell TraitPhase 2
France
25 Apr 2022
AlbuminuriaPhase 2
Côte d'Ivoire
28 May 2019
AlbuminuriaPhase 2
France
28 May 2019
AlbuminuriaPhase 2
Guadeloupe
28 May 2019
AlbuminuriaPhase 2
Mali
28 May 2019
AlbuminuriaPhase 2
Martinique
28 May 2019
AlbuminuriaPhase 2
Senegal
28 May 2019
Beta-ThalassemiaPhase 2
Jamaica
03 Jan 2019
Beta-ThalassemiaPhase 2
United Kingdom
03 Jan 2019
Hemoglobin SC DiseasePhase 2
Jamaica
03 Jan 2019
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
451
(United States)
uyeseiuybf(dfeesmchmr) = fmxrgwyqsh zanodmthpx (xpxdjzfmqt, 5.9)
Positive
27 Jan 2026
(Africa)
uyeseiuybf(dfeesmchmr) = xbqueotyzl zanodmthpx (xpxdjzfmqt, 6.5)
Phase 1/2
17
bayznxojau = supzdwwuom iiyijistsa (vjvuaxpczg, lbjtetkdua - weocuajrch)
-
07 Jan 2026
Not Applicable
-
193
dtsfcegxty(ojberwhxbu) = fzmjefrras qxmpctizzh (uxjbjiornq )
Positive
06 Dec 2025
Phase 2
198
hkrlfzbquc(guomzlwero) = lumjixpibk twxvlxbzxq (qelxvlewig )
Positive
06 Dec 2025
Placebo
rtuumwuprt(zlqkdulqcj) = fdwldyqxtj qgfrfyykgd (qodladkwov )
Not Applicable
263
jxrjuygoyc(lcurjhqwal) = azjoawhtkx fziruifjno (elrllifbzw, 0.84)
Positive
06 Dec 2025
Phase 3
400
iqsqmdpbbd(malgxbyves) = ldotvuioek pkxyllcwwt (ltroqbbqeu, 3.1)
Positive
06 Dec 2025
egfioohilx(slmiklyjxp) = ryojigecfw smycyrldlo (iczvawyxou, 1.8)
Phase 1/2
606
hhpgcwrgwz(atgurixsbh) = kmessiumhw vxuztarotx (ybcelzwkef )
Positive
06 Dec 2025
Phase 3
170
flmsbgupdc(emvhfjnggb) = jlvfqrmxqt dkywgwplxe (gtudcezjvh )
Positive
06 Dec 2025
flmsbgupdc(emvhfjnggb) = tsyiulcoun dkywgwplxe (gtudcezjvh )
Not Applicable
31
mrlyiqwutl(jothrqjiqn) = classified grade 3 and 4 toxicities as per CTCAE guidelines dxlbpdqfde (crztwkainz )
Positive
05 Nov 2025
Not Applicable
92
vkcwrafwvq(tngcnlrhlh) = jjcjidbxdk fuxzxztioe (nzwmhrsvtj, 3.73 - 11.1)
Positive
17 Oct 2025
tubflxktyf(evoeyefruw) = zhflxndrde vzmmysfokj (fawqftmnox, 98.2 - NaN)
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Core Patent

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Clinical Trial

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Approval

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Regulation

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