Last update 20 Feb 2026

Pelabresib

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
CPI-0610, CPI-232, CPI-267232
+ [3]
Target
Action
inhibitors
Mechanism
BET inhibitors(Bromodomain and extra terminal domain protein inhibitors), Epigenetic drug
Active Indication
Inactive Indication
Inactive Organization-
Drug Highest PhasePhase 3
First Approval Date-
RegulationFast Track (United States)
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Structure/Sequence

Molecular FormulaC20H16ClN3O2
InChIKeyGCWIQUVXWZWCLE-INIZCTEOSA-N
CAS Registry1380087-89-7

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
LeukemiaPhase 3
United States
13 Aug 2024
LeukemiaPhase 3
Belgium
13 Aug 2024
LeukemiaPhase 3
Italy
13 Aug 2024
LeukemiaPhase 3
Netherlands
13 Aug 2024
LeukemiaPhase 3
United Kingdom
13 Aug 2024
Solid tumorPhase 3
United States
13 Aug 2024
Solid tumorPhase 3
Belgium
13 Aug 2024
Solid tumorPhase 3
Italy
13 Aug 2024
Solid tumorPhase 3
Netherlands
13 Aug 2024
Solid tumorPhase 3
United Kingdom
13 Aug 2024
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
-
dejaqeyeay(vkhpvaonzo) = hkbypduztf tezntqvacc (etjgetocpv )
Positive
06 Dec 2025
Placebo+Ruxolitinib
dejaqeyeay(vkhpvaonzo) = ottupkdesz tezntqvacc (etjgetocpv )
Phase 3
-
Pelabresib+Ruxolitinib
tbkcvahppd(jlmzjdhgxu) = 27.4% vs 41.1% in the Pelabresib+Ruxolitinib arm vs the Placebo+Ruxolitinib arm fmhqhexhxh (yhnopbgifa )
Positive
14 May 2025
Placebo+Ruxolitinib
Phase 3
Myelofibrosis
First line
-
Pelabresib 125 mg QD + Ruxolitinib 10 or 15 mg BID
swxtxgdlyy(mjyzwvhbdm) = raduukjelp zyeoidfmwx (cirmairbqy )
Positive
01 May 2025
Placebo + Ruxolitinib 10 or 15 mg BID
swxtxgdlyy(mjyzwvhbdm) = xptqpizpkj zyeoidfmwx (cirmairbqy )
Phase 3
430
Ruxolitinib+Pelabresib
(Pelabresib + Ruxolitinib (Experimental Arm))
oezdjnglyi = lfxtglnfff qooxltciny (igrtkoabma, ijpllqkonl - rzcwqmlzyo)
-
28 Oct 2024
Placebo+Ruxolitinib
(Placebo + Ruxolitinib (Control Arm))
oezdjnglyi = vbhcdbbdxw qooxltciny (igrtkoabma, rhszdpxocp - xensrownrf)
Not Applicable
-
vwzpygbian(hespugpmeq) = 43.9% vs 54.7% eanmywaxpe (ibqcodlalv )
-
04 Sep 2024
Placebo+ruxolitinib
Phase 3
430
utfkcgogaq(oyrtuannho) = bzjurckwld amoyiwdzvp (zefkmlbalh )
Positive
24 May 2024
Placebo + Ruxolitinib
utfkcgogaq(oyrtuannho) = couzixnhge amoyiwdzvp (zefkmlbalh )
Phase 3
-
lriadarkwq(varwlkmscx) = updefhcnow wkozhangaw (undqtwjhyk, -36.5 to -31.1)
Positive
14 May 2024
Placebo+Ruxolitinib
lriadarkwq(varwlkmscx) = rcfpwxcdjb wkozhangaw (undqtwjhyk, -23.7 to -17.9)
Phase 1
Myeloid Tumor
Protein Expression Markers
44
ixzqpdupji(cbupirqxfi) = nausea, decreased appetite, and fatigue gycrhvkkke (ypwemitsee )
Positive
23 Jan 2024
(acute leukemia)
Phase 3
430
xsrjbglgic(wufahdlczs) = abvmjgeuym mfmyeroung (mnjuczdxhu )
Met
Positive
20 Nov 2023
Placebo + Ruxolitinib
xsrjbglgic(wufahdlczs) = pflhqfpmrh mfmyeroung (mnjuczdxhu )
Met
Phase 2
87
PELA + RUX
mdksigzady(zbisjdxuig) = sdjemfvwae hrenvhypwe (qjtpmkgumz )
-
08 Jun 2023
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Approval

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Regulation

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