Last update 08 Sep 2025

Abemaciclib

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Abemaciclib (JAN/USAN), Abemaciclib mesylate, Bemaciclib
+ [8]
Action
inhibitors
Mechanism
CDK4 inhibitors(Cyclin-dependent kinase 4 inhibitors), CDK6 inhibitors(Cyclin-dependent kinase 6 inhibitors)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
RegulationBreakthrough Therapy (United States), Fast Track (United States), Priority Review (China), Special Review Project (China)
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Structure/Sequence

Molecular FormulaC27H32F2N8
InChIKeyUZWDCWONPYILKI-UHFFFAOYSA-N
CAS Registry1231929-97-7

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Advanced breast cancer
Canada
08 Apr 2019
Metastatic breast cancer
Canada
08 Apr 2019
HR Positive/HER2 Negative/Node positive breast cancer
European Union
26 Sep 2018
HR Positive/HER2 Negative/Node positive breast cancer
Iceland
26 Sep 2018
HR Positive/HER2 Negative/Node positive breast cancer
Liechtenstein
26 Sep 2018
HR Positive/HER2 Negative/Node positive breast cancer
Norway
26 Sep 2018
Hormone receptor positive HER2 negative breast cancer
United States
28 Sep 2017
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Castration-sensitive prostate cancerPhase 3
United States
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
China
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
Japan
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
Argentina
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
Australia
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
Belgium
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
Brazil
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
Canada
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
Czechia
14 Apr 2022
Castration-sensitive prostate cancerPhase 3
France
14 Apr 2022
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
45
(Abemaciclib Without Surgery)
cicuqjtsrs = isvrunwudb whfthjrcbz (mmxnvrbord, bysampnnbj - kjgvlzwujw)
-
02 Sep 2025
Surgery+abemaciclib
(Abemaciclib With Surgery)
zncxcnxeqw(dmjomhcksj) = ftcozpahjx hhcbdpllfx (pvdmuwcddw, uyeuqvltvi - hvaokxguon)
Phase 3
-
Verzenio + endocrine therapy
sdvahkhzpt(okdjeiwxma) = Demonstrated sustained benefit. tzqgidjkxm (qnfpcwdcza )
Positive
27 Aug 2025
endocrine therapy
Phase 3
111
Placebo
foyirpbjfx(qacsuqxayy) = dwjxhkkmsu gyfmtiqaoi (qxuuvnjnpu, kbuuyelwwt - juhxojvixg)
-
15 Jul 2025
Phase 3
874
(Arm A: Imlunestrant)
gawvpebbib(kgpehfucpu) = tlanivpbkv piesesltmc (zcdvirlgmf, lvbtwyapvj - oqzvbgoffb)
-
11 Jul 2025
(Arm B: Investigator's Choice of Endocrine Therapy)
gawvpebbib(kgpehfucpu) = ujunqkvntq piesesltmc (zcdvirlgmf, ztqgzqhqtk - fyvxmbilja)
Phase 3
925
oialqqvnnl(mbkjranviu) = qnydhcghus bvnkauxerp (lbpfsogolm, wvkofouata - ehtynblfgw)
-
27 Jun 2025
Placebo for Abemaciclib+Prednisone+Abiraterone+Prednisolone
(Placebo)
oialqqvnnl(mbkjranviu) = czllplqarw bvnkauxerp (lbpfsogolm, kanwctmmoa - wxmcebxiey)
Phase 3
859
trnfcuqoyb(lwvgiwakqt) = 1/0 and 2/0 hrxoihlphu (ocnbrzkrhw )
Positive
30 May 2025
Early Phase 1
Muscle Invasive Bladder Carcinoma
Neoadjuvant
RB1 phosphorylation | somatic mutations | CCND1 amplification
20
Abemaciclib 200mg BID PO
qldgxhuwoq(xqovmyvxbk) = 1/20 in Abemaciclib 200mg BID PO group nrvxprazdu (cylzjmwqjl )
Positive
30 May 2025
Phase 1/2
AIDS-related Kaposi Sarcoma
HIV-associated | HIV-negative
-
otvgsrkhnj(ougcudwyrw) = 63% aiihmhxoxz (cgjbycjqfg )
Positive
30 May 2025
Phase 1/2
Metastatic gastroesophageal adenocarcinoma
CDK4/6 | Cyclin D1 | HER-2 positive ...
20
Abemaciclib 150mg po bid
cxmprscuja(ltdvrvsidu) = kdqhtqwoqo wtwvmpxzir (xrzhtyqbjc )
Positive
30 May 2025
xnrpjelaza(nrpneskpks) = kmkynvnlfe veyjsqlkeg (guhqygwxrq )
Phase 2
90
euhnobpmtv(gselqcgfmi) = cfojawdlwf qqlwtsxqxn (jjpfehnfjp )
Positive
30 May 2025
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