Drugs / Epacadostat
last change May 2026 re-read 8 days ago

Epacadostat

also known as INCB024360 · previously INCB24360

Small molecule targets IDO1 via inhibition

Developed for
cancer · lung cancer · urothelial carcinoma · head and neck cancer · head and neck squamous cell carcinoma · melanoma · primary peritoneal carcinoma · colorectal cancer
+40 more · fallopian tube cancer · fallopian tube carcinoma · glioblastoma · non-small cell lung carcinoma · ovarian cancer · ovarian carcinoma · acute myeloid leukemia · endometrial cancer · gastroesophageal junction adenocarcinoma · lymphoma · peritoneum cancer · renal cell carcinoma · B-cell neoplasm · carcinoma of esophagus · castration-resistant prostate carcinoma · cutaneous melanoma · endometrial carcinoma · esophageal adenocarcinoma · esophageal squamous cell carcinoma · gastric adenocarcinoma · gastric cancer · gastrointestinal stromal tumor · hematopoietic and lymphoid cell neoplasm · hepatocellular carcinoma · malignant epithelial tumor of ovary · metastatic malignant neoplasm · mucosal melanoma · myelodysplastic syndrome · nasopharyngeal carcinoma · ovarian clear cell cancer · pancreatic adenocarcinoma · pancreatic ductal adenocarcinoma · rectal cancer · sarcoma · small cell lung carcinoma · thymic carcinoma · triple-negative breast carcinoma · urinary bladder cancer · urinary bladder carcinoma · uveal melanoma
Investigated by
Incyte Corporation · Merck Sharp & Dohme LLC · National Cancer Institute (NCI) · Bristol-Myers Squibb · Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins · University of Chicago
+32 more · AstraZeneca · City of Hope Medical Center · Insel Gruppe AG, University Hospital Bern · M.D. Anderson Cancer Center · Roswell Park Cancer Institute · Washington University School of Medicine · Addario Lung Cancer Medical Institute · Aduro Biotech, Inc. · Alain Algazi · Celldex Therapeutics · Chao Huang · Chase Heaton, MD · Columbia University · European Network of Gynaecological Oncological Trial Groups (ENGOT) · Fondazione IRCCS Istituto Nazionale dei Tumori, Milano · Fox Chase Cancer Center · Fred Hutchinson Cancer Center · GOG Foundation · Genentech, Inc. · George Albert Fisher · Georgetown University · H. Lee Moffitt Cancer Center and Research Institute · Hoffmann-La Roche · ImmunoVaccine Technologies, Inc. (IMV Inc.) · James J Lee · Masonic Cancer Center, University of Minnesota · Memorial Sloan Kettering Cancer Center · NRG Oncology · OncoSec Medical Incorporated · University of California, Davis · University of Kansas Medical Center · University of Virginia

Trials 58

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT02042430 Aug 2014 → Nov 2016 fallopian tube cancer, primary peritoneal carcinoma National Cancer Institute (NCI) Completed No outcome recorded
Phase 111 trials
Phase 1 NCT03471286 Jun 2019 → Jul 2021 cancer Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Terminated No outcome recorded
Phase 1 NCT03707457 Mar → Nov 2019 glioblastoma Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Terminated No outcome recorded Stop: Business
Phase 1 NCT03491579 Dec 2018 → Sep 2019 acute myeloid leukemia Insel Gruppe AG, University Hospital Bern Withdrawn No outcome recorded
Phase 1 NCT03444649 Sep 2018 → Aug 2019 acute myeloid leukemia Insel Gruppe AG, University Hospital Bern Withdrawn No outcome recorded
Phase 1 NCT03589651 Aug 2018 → Nov 2022 — Incyte Corporation Completed No outcome recorded
Phase 1 NCT03217669 Feb 2018 → Apr 2024 non-small cell lung carcinoma Chao Huang Unknown No outcome recorded
Phase 1 NCT02862457 Aug 2016 → Nov 2020 non-small cell lung carcinoma Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT02559492 Nov 2015 → Sep 2018 cancer Incyte Corporation Terminated No outcome recorded
Phase 1 NCT02298153 Jan 2015 → Nov 2017 non-small cell lung carcinoma, urothelial carcinoma Incyte Corporation Terminated No outcome recorded
Phase 1 NCT02118285 Jul 2014 → Nov 2015 fallopian tube carcinoma, ovarian cancer, primary peritoneal carcinoma Masonic Cancer Center, University of Minnesota Completed No outcome recorded
Phase 1/216 trials · 1 missed
Phase 1/2 NCT03516708 Jan 2020 → Jul 2027 expected rectal cancer Washington University School of Medicine Recruiting No outcome recorded
Phase 1/2 NCT03182894 Sep 2018 → Jul 2019 colorectal cancer James J Lee Withdrawn No outcome recorded
Phase 1/2 NCT03493945 May 2018 → Oct 2024 castration-resistant prostate carcinoma National Cancer Institute (NCI) Completed No outcome recorded
Phase 1/2 NCT03347123 Mar 2018 → Jan 2021 cancer Incyte Corporation Terminated No outcome recorded Stop: Business
Phase 1/2 NCT03361228 Mar 2018 → Mar 2019 cancer Incyte Corporation Terminated No outcome recorded
Phase 1/2 NCT03322384 Jan 2018 → Feb 2020 cancer, lymphoma University of California, Davis Completed No outcome recorded
Phase 1/2 NCT03085914 May 2017 → Jan 2019 cancer Incyte Corporation Completed No outcome recorded
Phase 1/2 NCT02959437 Feb 2017 → Feb 2019 metastatic malignant neoplasm Incyte Corporation Terminated No outcome recorded
Phase 1/2 NCT02785250 Apr 2016 → Oct 2020 fallopian tube cancer, malignant epithelial tumor of ovary, peritoneum cancer ImmunoVaccine Technologies, Inc. (IMV Inc.) Unknown No outcome recorded
Phase 1/2 NCT02575807 Mar 2016 → Apr 2018 fallopian tube cancer, peritoneum cancer Aduro Biotech, Inc. Terminated No outcome recorded Stop: Enrollment
Phase 223 trials · 3 missed
Phase 2 NCT04586244 Jan 2022 → Jan 2024 urothelial carcinoma Incyte Corporation Terminated Missed primary Stop: Business
Phase 2 NCT04463771 Jan 2021 → May 2026 endometrial cancer Incyte Corporation Completed No outcome recorded
Phase 2 NCT04231864 Dec 2020 → Apr 2022 nasopharyngeal carcinoma Alain Algazi Withdrawn No outcome recorded
Phase 2 NCT03532295 Apr 2020 → Jul 2024 glioblastoma Washington University School of Medicine Completed No outcome recorded
Phase 2 NCT03432676 Jul 2019 → Apr 2020 ATM-related cancer predisposition, BRCA1-related cancer predisposition, BRCA2-related cancer predisposition, pancreatic ductal adenocarcinoma M.D. Anderson Cancer Center Withdrawn No outcome recorded
Phase 2 NCT03832673 May 2019 urinary bladder carcinoma Fondazione IRCCS Istituto Nazionale dei Tumori, Milano Withdrawn No outcome recorded
Phase 2 NCT03823131 May 2019 → Jul 2022 head and neck squamous cell carcinoma Chase Heaton, MD Terminated No outcome recorded
Phase 2 NCT03602586 Dec 2018 → Feb 2021 ovarian carcinoma, ovarian clear cell cancer National Cancer Institute (NCI) Completed No outcome recorded
Phase 2 NCT03402880 Oct 2018 small cell lung carcinoma City of Hope Medical Center Withdrawn No outcome recorded Stop: Enrollment
Phase 2 NCT03238638 Sep 2018 → Dec 2020 head and neck cancer University of Chicago Withdrawn No outcome recorded
Phase 37 trials · 1 missed
Phase 3 NCT03348904 Dec 2017 → May 2018 lung cancer Incyte Corporation Terminated No outcome recorded
Phase 3 NCT03374488 Dec 2017 → Jul 2018 urothelial carcinoma Incyte Corporation Completed No outcome recorded
Phase 3 NCT03342352 Dec 2017 → Apr 2018 head and neck cancer Incyte Corporation Withdrawn No outcome recorded Stop: Enrollment
Phase 3 NCT03260894 Dec 2017 → Aug 2018 renal cell carcinoma Incyte Corporation Completed No outcome recorded
Phase 3 NCT03361865 Dec 2017 → Aug 2018 urothelial carcinoma Incyte Corporation Completed No outcome recorded
Phase 3 NCT03358472 Dec 2017 → Jul 2018 head and neck squamous cell carcinoma Incyte Corporation Completed No outcome recorded
Phase 3 NCT02752074 Jun 2016 → Jan 2018 melanoma Incyte Corporation Completed Missed primary
Comparator or background therapy2 trials
Phase 1/2 NCT03277352 Background Nov 2017 → Jul 2020 metastatic malignant neoplasm Incyte Corporation Terminated No outcome recorded
Phase 2 NCT01685255 Comparator Aug 2012 → Oct 2014 ovarian carcinoma Incyte Corporation Terminated No outcome recorded Stop: Enrollment

News releases announcing trial results or a regulatory action · 23

DateIssuerRelease
2018-04-06 Merck Sharp & Dohme LLC Results Incyte and Merck Provide Update on Phase 3 Study of Epacadostat in Combination with KEYTRUDA® (pembrolizumab) in Patients with Unresectable or Metastatic Melanoma merck.com ↗
Based on these results, and at the recommendation of the eDMC, the study will be stopped.
2018-04-06 Incyte Corporation Results Incyte and Merck Provide Update on Phase 3 Study of Epacadostat in Combination with KEYTRUDA® (pembrolizumab) in Patients with Unresectable or Metastatic Melanoma incyte.com ↗
Based on these results, and at the recommendation of the eDMC, the study will be stopped.
2017-09-09 Merck Sharp & Dohme LLC Results Progression-Free Survival Data from ECHO-202 Trial of Incyte’s Epacadostat in Combination with Merck’s KEYTRUDA® (pembrolizumab) Underscore Durability of Response in Patients with Advanced Melanoma merck.com ↗
Results were generally consistent across dosing schedules of epacadostat combined with KEYTRUDA, including epacadostat 100 mg BID, the epacadostat dose being studied in the Phase 3 ECHO-301 trial.
2017-09-09 Incyte Corporation Results Progression-Free Survival Data from ECHO-202 Trial of Incyte’s Epacadostat in Combination with KEYTRUDA® (pembrolizumab) Underscore Durability of Response in Patients with Advanced Melanoma incyte.com ↗
Among all patients with advanced melanoma, including treatment-naïve and treatment-experienced, data showed an overall response rate (ORR) of 56 percent (n=35/63) in patients treated with the combination of epacadostat and KEYTRUDA; median progression-free survival (PFS) was 12.4 months, with PFS rates of 65 percent at six months, 52 percent at 12 months, and 49 percent at 18 months.
2017-09-09 Incyte Corporation Results Progression-Free Survival Data from ECHO-202 Trial of Incyte’s Epacadostat in Combination with Merck’s KEYTRUDA® (pembrolizumab) Underscore Durability of Response in Patients with Advanced Melanoma incyte.com ↗
Results were generally consistent across dosing schedules of epacadostat combined with KEYTRUDA, including epacadostat 100 mg BID, the epacadostat dose being studied in the Phase 3 ECHO-301 trial.
2017-08-30 Incyte Corporation Results New Data for Epacadostat in Combination with KEYTRUDA® (pembrolizumab) Demonstrate Durable Responses in Patients with Advanced Melanoma incyte.com ↗
2017-06-05 Merck Sharp & Dohme LLC Results Updated Data from ECHO-202 Trial of Incyte’s Epacadostat in Combination with Merck’s KEYTRUDA® (pembrolizumab) Demonstrate Clinical Activity Across Multiple Tumor Types merck.com ↗
2017-06-05 Bristol-Myers Squibb Results Clinical Trial Data for Combination of Epacadostat and Opdivo® (nivolumab) Demonstrate Durable Clinical Responses in Patients with Melanoma and Head and Neck Cancer bms.com ↗
Responses for MEL and SCCHN were observed regardless of PD-L1 expression and HPV status (in SCCHN), and all responses were ongoing at the data cutoff (February 13, 2017).
2017-06-05 Incyte Corporation Results Updated Data from ECHO-202 Trial of Incyte’s Epacadostat in Combination with Merck’s KEYTRUDA® (Pembrolizumab) Demonstrate Clinical Activity across Multiple Tumor Types incyte.com ↗
2017-06-05 Incyte Corporation Results Clinical Trial Data for Combination of Epacadostat and Opdivo® (nivolumab) Demonstrate Durable Clinical Responses in Patients with Melanoma and Head and Neck Cancer incyte.com ↗
In previously-treated patients with SCCHN who were treated with epacadostat (100 mg or 300 mg) plus nivolumab (n=31), the combined ORR was 23 percent (7/31), including 1 CR and 6 PRs, and the combined DCR was 61 percent (19/31).
2017-06-03 Merck Sharp & Dohme LLC Results Combination of Incyte’s Epacadostat plus Merck’s KEYTRUDA® (pembrolizumab) Demonstrates Activity in Clinical Trial of Patients with Advanced Non-Small Cell Lung Cancer (NSCLC) merck.com ↗
Data showed an overall response rate (ORR) of 35 percent (n=14/40) among all patients with advanced squamous and non-squamous NSCLC treated with the combination of epacadostat and KEYTRUDA, irrespective of PD-L1 status.
2017-06-03 Incyte Corporation Results Combination of Incyte’s Epacadostat plus Merck’s KEYTRUDA® (pembrolizumab) Demonstrates Activity in Clinical Trial of Patients with Advanced Non-Small Cell Lung Cancer (NSCLC) incyte.com ↗
Data showed an overall response rate (ORR) of 35 percent (n=14/40) among all patients with advanced squamous and non-squamous NSCLC treated with the combination of epacadostat and KEYTRUDA, irrespective of PD-L1 status.

All press releases naming this drug 33 releases

DateIssuerRelease

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 63 sources stand behind the page.

FieldValueCited text
Known as Epacadostat “The open-label, phase 1/2 ECHO-203 study evaluated the safety, tolerability, and efficacy of the IDO1 inhibitor epacadostat in combination with durvalumab, a human anti-PD-L1...” PMID 36309837 ↗ Oct 2022
53

“Patients will receive epacadostat in combination with pembrolizumab.” NCT03325465 ↗

NCT01961115 ↗

NCT03444649 ↗

NCT03532295 ↗

NCT03310567 ↗

NCT02862457 ↗

NCT02752074 ↗

NCT03322384 ↗

NCT03322540 ↗

NCT04463771 ↗

Show 43 more sources

Known as INCB024360 “Epacadostat (INCB024360) is an inhibitor of the enzyme indoleamine 2,3-dioxygenase 1 (IDO1) that has shown promise in the treatment of solid tumors and lymphomas in ongoing...” NCT03322384 ↗
13

“INCB024360 (Epacadostat) is an IDO1 inhibitor under investigation in combination with different immunotherapies in treatment of various malignancies.” NCT03493945 ↗

“A Study of Epacadostat (INCB024360) in Combination With Durvalumab (MEDI4736) in Subjects With Selected Advanced Solid Tumors (ECHO-203)” NCT02318277 ↗

“Phase II Study of Epacadostat (INCB024360) in Combination With Pembrolizumab in Patients With Locally Advanced/Metastatic Sarcoma” NCT03414229 ↗

“Oral Epacadostat (INCB024360) (50, 100, or 300 mg twice per day,on days 1-21 of each cycle, every 21 days)” NCT03182894 ↗

“Epacadostat (INCB024360) is an Inhibitor of Indoleamine 2,3- dioxygenase 1 (IDO1).” NCT03444649 ↗

“Epacadostat (INCB024360) is an Inhibitor of Indoleamine 2,3- dioxygenase 1 (IDO1).” NCT03491579 ↗

“Drug: Epacadostat (INCB024360)” NCT02785250 ↗

NCT02178722 ↗

NCT03707457 ↗

NCT01822691 ↗

Show 3 more sources

Known as previously INCB24360 “previously INCB24360” NCT03832673 ↗
Action Inhibit “Epacadostat is a potent inhibitor of the immunosuppressive indoleamine 2,3-dioxygenase 1 (IDO1) enzyme.” PMID 30894212 ↗ Mar 2019
Modality Small molecule — CHEMBL3545369 ↗
Route Oral “Patients received oral epacadostat (25, 50, 100, or 300 mg twice daily [BID]; 75 mg daily [50 mg AM, 25 mg PM]; or 50 mg BID intermittent [2 weeks on/1 week off])” PMID 30894212 ↗ Mar 2019
Target IDO1 “Epacadostat is a potent inhibitor of the immunosuppressive indoleamine 2,3-dioxygenase 1 (IDO1) enzyme.” PMID 30894212 ↗ Mar 2019