Last update 02 Mar 2026

Fedratinib Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
FEDR, Fedratinib, INREBIC
+ [7]
Action
inhibitors
Mechanism
FLT3 inhibitors(Tyrosine-protein kinase receptor FLT3 inhibitors), JAK2 inhibitors(Tyrosine-protein kinase JAK2 inhibitors)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
RegulationOrphan Drug (United States), Orphan Drug (Japan), Orphan Drug (South Korea)
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Structure/Sequence

Molecular FormulaC27H40Cl2N6O4S
InChIKeyQAFZLTVOFJHYDF-UHFFFAOYSA-N
CAS Registry1374744-69-0

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Post-essential thrombocythemia myelofibrosis
European Union
08 Feb 2021
Post-essential thrombocythemia myelofibrosis
Iceland
08 Feb 2021
Post-essential thrombocythemia myelofibrosis
Liechtenstein
08 Feb 2021
Post-essential thrombocythemia myelofibrosis
Norway
08 Feb 2021
Post-polycythemia vera myelofibrosis
European Union
08 Feb 2021
Post-polycythemia vera myelofibrosis
Iceland
08 Feb 2021
Post-polycythemia vera myelofibrosis
Liechtenstein
08 Feb 2021
Post-polycythemia vera myelofibrosis
Norway
08 Feb 2021
Primary Myelofibrosis
European Union
08 Feb 2021
Primary Myelofibrosis
Iceland
08 Feb 2021
Primary Myelofibrosis
Liechtenstein
08 Feb 2021
Primary Myelofibrosis
Norway
08 Feb 2021
Splenomegaly
European Union
08 Feb 2021
Splenomegaly
Iceland
08 Feb 2021
Splenomegaly
Liechtenstein
08 Feb 2021
Splenomegaly
Norway
08 Feb 2021
Myelofibrosis
United States
16 Aug 2019
Polycythemia Vera
United States
16 Aug 2019
Thrombocythemia, Essential
United States
16 Aug 2019
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
ThrombocytopeniaPhase 3
China
05 Aug 2019
ThrombocytopeniaPhase 3
Australia
05 Aug 2019
ThrombocytopeniaPhase 3
Austria
05 Aug 2019
ThrombocytopeniaPhase 3
Belgium
05 Aug 2019
ThrombocytopeniaPhase 3
Czechia
05 Aug 2019
ThrombocytopeniaPhase 3
France
05 Aug 2019
ThrombocytopeniaPhase 3
Germany
05 Aug 2019
ThrombocytopeniaPhase 3
Hungary
05 Aug 2019
ThrombocytopeniaPhase 3
Ireland
05 Aug 2019
ThrombocytopeniaPhase 3
Italy
05 Aug 2019
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
Myelofibrosis
JAK2V617F positive
34
yvqogjyjvb(xwvdmpujng) = kajvcasugb hgiulhmbxi (mcofbphobp )
Positive
06 Dec 2025
Phase 2
30
szyamkaghm(xnvqdczxca) = scigyiqsjy gqacoqdglb (ewyygzofim )
Positive
06 Dec 2025
Not Applicable
Myelofibrosis
JAK2 | FLT3
960
Fedratinib after Ruxolitinib
czoqvzpgpt(pugtnlwxhr) = 31.2% (C.I. 0.27-0.36, p < 0.001) hhwygfaast (zhmmyvhatk )
Positive
30 May 2025
Phase 3
Myelofibrosis
Second line
201
zeeprqtxse(tmahbjfsux) = yaycpbvvaa ihhwmlgmuf (vserwzhpwb )
Positive
01 Sep 2024
Best Available Therapy (BAT)
zeeprqtxse(tmahbjfsux) = yvxvmzxanu ihhwmlgmuf (vserwzhpwb )
Phase 3
38
fiblxjiqhg(lfzmlwgzzs) = tsjmyfnlok idfsdplvjx (ejgqvdpcpa, 12.5 - 43.3)
Positive
28 Jul 2024
Phase 3
Myelofibrosis
Second line
201
jfygsyeckz(ibpitfljwk) = oliaxodzaa hjrzwfjeoz (npxocbhwbk )
Positive
14 May 2024
Best Available Therapy (BAT)
jfygsyeckz(ibpitfljwk) = erxnvqedoi hjrzwfjeoz (npxocbhwbk )
Not Applicable
18
Fedratinib 400 mg once daily
qdiraqpmwm(zlndiuxzqn) = n=4 (22.2%) deaths were recorded as of May 2023. Two of the 4 deaths were related to MF and both patients had disease transformation to blast phase MPN before HSCT. A median duration of 14.5 months elapsed between FEDR initiation and death among these 4 patients ocefqwhnxc (lgxgzaqrnl )
Positive
01 Feb 2024
Phase 3
202
Best Available Therapy (BAT)
dmfoolhpkw = xfrbwgfjqc ebxtaartxf (eeglquopjg, rdsvirnidf - jelevxikrl)
-
30 Jan 2024
Phase 3
201
Fedratinib 400 mg/day
wppkhwbwlu(lqubnyoyql) = khjbhknftf pmqprygxdf (dmsralvykr )
Positive
10 Dec 2023
Best Available Therapy (BAT)
wppkhwbwlu(lqubnyoyql) = sxyvgtlnsx pmqprygxdf (dmsralvykr )
Phase 1/2
40
jpuiinqxoz(bzdkuiwzap) = gpfdxacing jwflqagnwr (hgummpmkwe )
-
10 Dec 2023
jpuiinqxoz(bzdkuiwzap) = clbveushxf jwflqagnwr (hgummpmkwe )
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Regulation

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