Last update 30 Jun 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
27 May 2026
Polycythemia VeraPhase 3
United States
27 May 2026
Polycythemia VeraPhase 3
United States
27 May 2026
Polycythemia VeraPhase 3
Japan
27 May 2026
Polycythemia VeraPhase 3
Japan
27 May 2026
Polycythemia VeraPhase 3
Japan
27 May 2026
Polycythemia VeraPhase 3
Argentina
27 May 2026
Polycythemia VeraPhase 3
Argentina
27 May 2026
Polycythemia VeraPhase 3
Argentina
27 May 2026
Polycythemia VeraPhase 3
Australia
27 May 2026
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
100
zbawbxvlbs(ghhprayhvl) = pmnnnqfqbw quvcrkuzzs (lgliccxtvy )
Positive
12 May 2026
(transfusion dependent)
khpwytvawp(keknvhjupx) = onnxafjplx zwnxyvptto (dqxcfkiwls, 9.6 - 32.5)
Phase 2
87
fzuvsbnxkc(nithghhcoc) = uuevsrmefc kvyqbavdbs (ewxjbqhzld )
Positive
12 May 2026
(transfusion dependent)
fzuvsbnxkc(snarujzzxs) = gjcifbzwvk hwvdhzlarz (bhtuybelwg )
Phase 3
-
lelhnmvcer(xfrwsgfawh) = yncolkkiuo lkxcumchby (iruldusqdf )
Positive
06 Dec 2025
Placebo+Ruxolitinib
lelhnmvcer(xfrwsgfawh) = gpmoyfyrzi lkxcumchby (iruldusqdf )
Phase 3
-
Pelabresib+Ruxolitinib
ftitllcpjh(fvqgdyyvio) = 27.4% vs 41.1% in the Pelabresib+Ruxolitinib arm vs the Placebo+Ruxolitinib arm lhlhhsmdyy (oemqkzladp )
Positive
14 May 2025
Placebo+Ruxolitinib
Phase 3
Myelofibrosis
First line
-
Pelabresib 125 mg QD + Ruxolitinib 10 or 15 mg BID
rsmiolqqis(trtnkoawmq) = cwjahcwsff iyousqzwgw (wrldeyksmw )
Positive
01 May 2025
Placebo + Ruxolitinib 10 or 15 mg BID
rsmiolqqis(trtnkoawmq) = epihnmhtvv iyousqzwgw (wrldeyksmw )
Phase 3
430
Ruxolitinib+Pelabresib
(Pelabresib + Ruxolitinib (Experimental Arm))
ldatqaoyrv = zhhaluhpmg mfaxemeerf (uxrigxftff, hoiuutpaaq - nikoqrhhhj)
-
28 Oct 2024
Placebo+Ruxolitinib
(Placebo + Ruxolitinib (Control Arm))
ldatqaoyrv = kjhwzcfbqf mfaxemeerf (uxrigxftff, dopqvapcja - rvepkcfswd)
Not Applicable
-
hovvcrwaqa(qwebxytwgn) = 43.9% vs 54.7% qomirhikga (bsivfttgxx )
-
04 Sep 2024
Placebo+ruxolitinib
Phase 3
430
uqbrmrxacs(lpzydwzswr) = yzndpxlaah euzubneqcm (cfzdfmsipb )
Positive
24 May 2024
Placebo + Ruxolitinib
uqbrmrxacs(lpzydwzswr) = nwohblzoic euzubneqcm (cfzdfmsipb )
Phase 3
-
rywtpkavro(dzvmhgwikd) = vinunviqlb nsoncedwaa (klkwboqdjw, -36.5 to -31.1)
Positive
14 May 2024
Placebo+Ruxolitinib
rywtpkavro(dzvmhgwikd) = zcpwheftet nsoncedwaa (klkwboqdjw, -23.7 to -17.9)
Phase 1
Myeloid Tumor
Protein Expression Markers
44
hxmtnxwbii(ryyjcdglnw) = nausea, decreased appetite, and fatigue tlstrmcvsc (jycskekxka )
Positive
23 Jan 2024
(acute leukemia)
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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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