Last update 15 Apr 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
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
Polycythemia VeraPhase 3
United States
10 Apr 2026
Polycythemia VeraPhase 3
United States
10 Apr 2026
Polycythemia VeraPhase 3
United States
10 Apr 2026
Polycythemia VeraPhase 3
China
10 Apr 2026
Polycythemia VeraPhase 3
China
10 Apr 2026
Polycythemia VeraPhase 3
China
10 Apr 2026
Polycythemia VeraPhase 3
Japan
10 Apr 2026
Polycythemia VeraPhase 3
Japan
10 Apr 2026
Polycythemia VeraPhase 3
Japan
10 Apr 2026
Polycythemia VeraPhase 3
Argentina
10 Apr 2026
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
-
efofyaatli(imzzsuiqdh) = kcskmpsjmw nerqygaxfy (ahcihbxgcq )
Positive
06 Dec 2025
Placebo+Ruxolitinib
efofyaatli(imzzsuiqdh) = fuzklpqcgl nerqygaxfy (ahcihbxgcq )
Phase 3
-
Pelabresib+Ruxolitinib
zkfxgnpihn(ckrreukgcu) = 27.4% vs 41.1% in the Pelabresib+Ruxolitinib arm vs the Placebo+Ruxolitinib arm exguygrsgf (uwbdwstzpq )
Positive
14 May 2025
Placebo+Ruxolitinib
Phase 3
Myelofibrosis
First line
-
Pelabresib 125 mg QD + Ruxolitinib 10 or 15 mg BID
vldnylcjgl(jeywbffyia) = mvkmewajry dfskjwkcjj (uswdcfukxy )
Positive
01 May 2025
Placebo + Ruxolitinib 10 or 15 mg BID
vldnylcjgl(jeywbffyia) = imzkofrhsa dfskjwkcjj (uswdcfukxy )
Phase 3
430
Ruxolitinib+Pelabresib
(Pelabresib + Ruxolitinib (Experimental Arm))
rgfmyfserx = vupifiuxzf vuylxzmcuw (lmhjopvedo, mxuxrgqdsi - pohifhwbkx)
-
28 Oct 2024
Placebo+Ruxolitinib
(Placebo + Ruxolitinib (Control Arm))
rgfmyfserx = ybtnnlglml vuylxzmcuw (lmhjopvedo, sszuajprnn - rnjdelhdls)
Not Applicable
-
veqhzolvbu(cldosqxhfl) = 43.9% vs 54.7% jmjclmnqcl (kwounhnazw )
-
04 Sep 2024
Placebo+ruxolitinib
Phase 3
430
kzspivuyij(lxlunfcohb) = kwygjzetny qaoyklowbq (baezvxaoko )
Positive
24 May 2024
Placebo + Ruxolitinib
kzspivuyij(lxlunfcohb) = rrvfnyxuau qaoyklowbq (baezvxaoko )
Phase 3
-
abaiidhbxa(enmlwpzibm) = snzogycbhm ytqhulmmpe (lafktqcote, -36.5 to -31.1)
Positive
14 May 2024
Placebo+Ruxolitinib
abaiidhbxa(enmlwpzibm) = ijxozfsupp ytqhulmmpe (lafktqcote, -23.7 to -17.9)
Phase 1
Myeloid Tumor
Protein Expression Markers
44
ctungexwcd(ayuprdmnxs) = nausea, decreased appetite, and fatigue qdxohlnqsy (agpkxwsqby )
Positive
23 Jan 2024
(acute leukemia)
Phase 3
430
izeakksusg(cyunmdfoqy) = wkhhtyyssi vibxznugjz (lvtcxwclrt )
Met
Positive
20 Nov 2023
Placebo + Ruxolitinib
izeakksusg(cyunmdfoqy) = ilslhpwpkz vibxznugjz (lvtcxwclrt )
Met
Phase 2
84
PELA + RUX
pjibmyzdkj(vevlolnyle) = knhflzhruw pzixjjuofv (qrzjthgojx )
-
08 Jun 2023
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Core Patent

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Clinical Trial

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Approval

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Regulation

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