Last update 08 Mar 2025

Eflornithine Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(RS)-2,5-diamino-2-(difluoromethyl)pentanoic acid, 2-(difluoromethyl)ornithine, alpha-difluoromethylornithine
+ [17]
Target
Mechanism
ODC inhibitors(Ornithine decarboxylase inhibitors)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
US (28 Nov 1990),
RegulationOrphan Drug (US), Orphan Drug (AU), Orphan Drug (EU)
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Structure/Sequence

Molecular FormulaC6H15ClF2N2O3
InChIKeyFJPAMFNRCFEGSD-UHFFFAOYSA-N
CAS Registry96020-91-6

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
High Risk Neuroblastoma
US
13 Dec 2023
Hirsutism
EU
19 Mar 2001
Hirsutism
IS
19 Mar 2001
Hirsutism
LI
19 Mar 2001
Hirsutism
NO
19 Mar 2001
Facial Hypertrichosis
US
28 Nov 1990
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
AstrocytomaPhase 3
US
01 Jul 2016
AstrocytomaPhase 3
BE
01 Jul 2016
AstrocytomaPhase 3
CA
01 Jul 2016
AstrocytomaPhase 3
FR
01 Jul 2016
AstrocytomaPhase 3
DE
01 Jul 2016
AstrocytomaPhase 3
IT
01 Jul 2016
AstrocytomaPhase 3
NL
01 Jul 2016
AstrocytomaPhase 3
GB
01 Jul 2016
Adenomatous Polyposis ColiPhase 3
US
23 Aug 2013
Second Primary NeoplasmsPhase 3
US
23 Aug 2013
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
91
(Eflornithine)
saruagstci(hmrpgyorxx) = rcldbuggeg hpcvmxtnkj (ipumijihgw, wmwsptnfhc - xwxaqmpzul)
-
05 Apr 2024
Eflornithine placebo
(Eflornithine Placebo)
saruagstci(hmrpgyorxx) = qcombmdovi hpcvmxtnkj (ipumijihgw, ccfprptdvo - hymwoodloj)
Phase 1
24
DFMO+celecoxib+cyclophosphamide +topotecan
agszdfenvw(jkphlodjrf) = mboeelccjh emzrfxaivr (bustvqgwdr )
Positive
10 Jan 2024
Phase 2
141
fiihbkhiqi(tdecsqyqjp): HR = 0.5 (95% CI, 0.29 - 0.84)
Positive
01 Jan 2024
No-DFMO/control group
Phase 2
360
yzzuunvzjr(bueafsvopp): HR = 0.48 (95% CI, 0.27 - 0.85)
Positive
13 Dec 2023
control
Phase 2
140
mcehbduezu(zwderjsclv): hazard ratio = 0.48 (95% CI, 0.27 - 0.85), P-Value = 0.0114
Positive
02 Jun 2022
Phase 3
171
-
-
10 Sep 2020
Phase 2
81
urgjhggpyu(cjejsnpwbk) = dxqpfdpykw wexjqbdzjn (yxnrnjnbup, 79.3% - 94.2%)
Positive
11 May 2020
Standard upfront therapy
urgjhggpyu(cjejsnpwbk) = lxdjjtwzyn wexjqbdzjn (yxnrnjnbup, 69.5% - 88.3%)
Phase 1
24
tdjmnzvsgj(nlxacdkgfo) = There were three cycle-1 DLTs (hematologic; anorexia; transaminitis) and two DLTs in later cycles (cycle-2 hematuria; cycle-11 hypotension) gletkmaqts (wqfmrursgx )
-
01 Jun 2018
Phase 2
76
(Eflornithine)
dqwcezuccm(djrohjtgxu) = iobtkfkvvh zzlaaqcihn (srqpvtlmrt, qotbqktkcd - elxcbgshnb)
-
12 Apr 2018
Placebo
(Placebo)
dqwcezuccm(djrohjtgxu) = giaqyfkjro zzlaaqcihn (srqpvtlmrt, niwmdppbml - lbxecovhgm)
Phase 2
-
JQ1
eksjpcjclr(lhcdextyga) = ondfffxnde hlbtqoyfdi (swqubfghsm )
Positive
01 Jul 2017
eksjpcjclr(lhcdextyga) = gugcrjlcay hlbtqoyfdi (swqubfghsm )
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Regulation

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