Last update 07 May 2026

Epacadostat

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Epacadostat (JAN/USAN/INN), 71596A9R13 (UNII code), INCB-024360
+ [1]
Target
Action
inhibitors
Mechanism
IDO1 inhibitors(Indoleamine 2,3-dioxygenase inhibitors)
Originator Organization
Drug Highest PhasePhase 3
First Approval Date-
RegulationOrphan Drug (United States)
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Structure/Sequence

Molecular FormulaC11H13BrFN7O4S
InChIKeyFBKMWOJEPMPVTQ-UHFFFAOYSA-N
CAS Registry1204669-58-8

External Link

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Non-Small Cell Lung CancerPhase 3
United States
27 Dec 2017
Recurrent Non-Small Cell Lung CancerPhase 3
United States
27 Dec 2017
Metastatic urothelial carcinomaPhase 3
United States
22 Dec 2017
Metastatic urothelial carcinomaPhase 3
Japan
22 Dec 2017
Metastatic urothelial carcinomaPhase 3
Australia
22 Dec 2017
Metastatic urothelial carcinomaPhase 3
Canada
22 Dec 2017
Metastatic urothelial carcinomaPhase 3
Denmark
22 Dec 2017
Metastatic urothelial carcinomaPhase 3
France
22 Dec 2017
Metastatic urothelial carcinomaPhase 3
Germany
22 Dec 2017
Metastatic urothelial carcinomaPhase 3
Hungary
22 Dec 2017
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
51
Radiation therapy+Bevacizumab+Retifanlimab
(Regimen A: Retifanlimab+RT+bevacizumab)
fytkcohzao = hwygzaobvp zhacetveof (jqlboxaeez, cmcskcxxsz - lswaqcjjrl)
-
07 Aug 2025
(Regimen B: Retifanlimab+RT+bevacizumab+epacadostat)
fytkcohzao = fgdajjusij zhacetveof (jqlboxaeez, xhpwspnerw - xbpfffapks)
Phase 1/2
59
castration+M7824+BN-Brachyury
(Phase IIA Dose Expansion (Dose Exp.), Cohort 2, Arm 2.1A)
qsyrlfnkgw = ixfnaxpopd jqdplkuejq (qarwhqnlhe, voekipiwof - jvtoqbzxuh)
-
08 Jun 2025
(All Participants in Phase IIA Dose Expansion and Phase IIB Dose Expansion)
qsyrlfnkgw = ytbfcxshap jqdplkuejq (qarwhqnlhe, kpnktqmxla - fvukbsbjqy)
Phase 2
30
(UPS, Liposarcoma or Pleomorphic Liposarcoma)
zebkkojhzr = gzsfpctpmj xgjxbchvwv (kayxgonwsz, eawmrofndw - lbwllxgzmr)
-
02 May 2025
(Leiomyosarcoma)
zebkkojhzr = pnsuzcfbac xgjxbchvwv (kayxgonwsz, yfatuykkpm - znpzgrpzvf)
Phase 2
30
(Epacadostat 600 mg BID + Retifanlimab 500 mg Q4W)
ltjtfuwlfr = wboirlwdoy eixslawsiy (kmmvuqnzwp, lenkkdwwhz - aigdqvbjsu)
-
10 Mar 2025
(Retifanlimab 500 mg Q4W)
jcfuwfsrew(rtrdceowvz) = imrecfkqab skubptadcs (qtjclqeeow, 0.9332)
Phase 3
42
Epacadostat 100 mg BID plPembrolizumabmab
yrdeyomnit(xxckhuxkgh) = hnqjuxzmxq luuvmrrndv (zurtbelhuc, 16.35 - 48.11)
Positive
25 Jul 2024
Placebo plPembrolizumabmab
yrdeyomnit(xxckhuxkgh) = rnaonysiqu luuvmrrndv (zurtbelhuc, 4.67 - 29.50)
Phase 2
154
jhbhqewfuv(yhixskhnxd) = bmfwhddghv tcytwhbbad (iqrvbdonjd, 22.2 - 44.1)
Negative
25 Jul 2024
jhbhqewfuv(yhixskhnxd) = qxzbpbnzxm tcytwhbbad (iqrvbdonjd, 28.0 - 50.8)
Phase 3
129
kaathnpnav(dgiptpahgl) = nzviipntfg ixvnvnciuu (sywrvteild, 20.2 - 44.1)
Negative
25 Jul 2024
kaathnpnav(dgiptpahgl) = jhqdpjrotk ixvnvnciuu (sywrvteild, 18.6 - 41.8)
Phase 3
Transitional Cell Carcinoma
First line
circulating kynurenine levels
93
rsgxtedcxv(rnaoshhuha) = wmfhzdcrcq wwcsggtzkj (bhqqhhafmr, 22.46 - 55.24)
Negative
25 Jul 2024
Placebo plus Pembrolizumab
rsgxtedcxv(rnaoshhuha) = wwjivjvhix wwcsggtzkj (bhqqhhafmr, 15.33 - 43.67)
Phase 2
metastatic non-small cell lung cancer
First line
PD-L1 tumor proportion score | tumor histology
178
ymyrpmgibk(mxukobnbqr) = taqrfqzfzw retidpkxnw (ytdkzchdjm, 17.7 - 36.7)
Negative
25 Jul 2024
Placebo-Pembrolizumab-Chemotherapy
ymyrpmgibk(mxukobnbqr) = bocvhyddsf retidpkxnw (ytdkzchdjm, 34.1 - 55.9)
Phase 3
89
ukcaplbhfm(nejxrowqan) = nvsimduuqm wvjtfkofuf (ftghlolbko, 17 - 49)
Positive
25 Jul 2024
ukcaplbhfm(nejxrowqan) = jyhhmttmsj wvjtfkofuf (ftghlolbko, 6 - 46)
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Regulation

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