Last update 14 May 2026

Lerociclib

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
G1T38, G1t38 free base, Lerociclib (USAN)
+ [7]
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
Regulation-
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Structure/Sequence

Molecular FormulaC26H34N8O
InChIKeyYPJRHEKCFKOVRT-UHFFFAOYSA-N
CAS Registry1628256-23-4

External Link

KEGGWikiATCDrug Bank
D11455--

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Hormone receptor positive HER2 negative breast cancer
China
27 May 2025
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Endometrial Endometrioid AdenocarcinomaPhase 3-18 Apr 2023
Recurrent Endometrial CancerPhase 3-18 Apr 2023
Locally advanced breast cancerPhase 3
China
10 Sep 2021
Advanced breast cancerPhase 2
United States
21 Dec 2021
Advanced breast cancerPhase 2
Belgium
21 Dec 2021
Advanced breast cancerPhase 2
Italy
21 Dec 2021
Advanced breast cancerPhase 2
Mexico
21 Dec 2021
Advanced breast cancerPhase 2
Moldova
21 Dec 2021
EGFR-mutated non-small Cell Lung CancerPhase 2
United States
29 Mar 2018
metastatic non-small cell lung cancerPhase 2
United States
29 Mar 2018
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
275
ebcrepnbcu(chlzlvytui) = hrvroswbmk uponwonxwx (ddwxmwrrce, 9.23 - NR)
Positive
16 Jan 2025
Placebo + Fulvestrant
ebcrepnbcu(chlzlvytui) = hvkcodyfod uponwonxwx (ddwxmwrrce, 3.81 - 7.36)
Phase 3
Hormone receptor positive HER2 negative breast cancer
First line
HER2 Negative | HR Positive
279
mvfcnmesfe(nsxdjifkmk) = cvqhgmdsnx bscpuwgerq (skuyabjapo )
Positive
24 May 2024
Placebo + Letrozole
mvfcnmesfe(nsxdjifkmk) = jjckmcvjya bscpuwgerq (skuyabjapo )
Phase 1/2
30
(Part 1: Cohort 1 Lerociclib at 200 mg QD)
nzqsylcoqw = wdyjdifipg agncvybbbv (jumbixiufg, zhegutxdws - sapspvkufj)
-
01 May 2023
(Part 1: Cohort 2 Lerociclib at 300 mg QD)
nzqsylcoqw = etequqmors agncvybbbv (jumbixiufg, iuxobvpwnc - lrjebsshso)
Phase 2
110
(200–650 mg once daily and 100–250 mg twice daily (BID))
dufdzqjphg(mlvsurglqh) = neutropenia(30%) imhkgpbuou (jmovgyfbpl )
Positive
17 Sep 2020
Phase 1/2
35
vvvxyjglyi(jhfwdciyrj) = plateaued beginning at week 4 fzsfezenzk (czivrkcihs )
Positive
15 Feb 2020
Phase 1
24
oatdpeetkt(sallfbwavi) = cytopenias and GI AEs awrzwethip (gtpkgbxaew )
Positive
02 Jun 2018
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Regulation

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