U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula C24H30N8O.2ClH.2H2O
Molecular Weight 555.5
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of TRILACICLIB DIHYDROCHLORIDE DIHYDRATE

SMILES

O.O.Cl.Cl.CN1CCN(CC1)C2=CN=C(NC3=NC4=C(C=C5N4C6(CCCCC6)CNC5=O)C=N3)C=C2

InChI

InChIKey=SKOZJJQJPVXPFR-UHFFFAOYSA-N
InChI=1S/C24H30N8O.2ClH.2H2O/c1-30-9-11-31(12-10-30)18-5-6-20(25-15-18)28-23-26-14-17-13-19-22(33)27-16-24(7-3-2-4-8-24)32(19)21(17)29-23;;;;/h5-6,13-15H,2-4,7-12,16H2,1H3,(H,27,33)(H,25,26,28,29);2*1H;2*1H2

HIDE SMILES / InChI

Molecular Formula ClH
Molecular Weight 36.461
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Molecular Formula H2O
Molecular Weight 18.0153
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Molecular Formula C24H30N8O
Molecular Weight 446.548
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Trilaciclib (Cosela™) is a small-molecule, short-acting, inhibitor of cyclin-dependent kinases (CDK) 4 and 6 developed by G1 Therapeutics for its myeloprotection and potential antitumor efficacy and safety benefits in combination with cancer chemotherapy. CDKs govern cell cycle progression, and trilaciclib induces a transient, reversible G1 cell cycle arrest of proliferating haematopoietic stem and progenitor cells in bone marrow, thus protecting them from damage during chemotherapy. In February 2021, trilaciclib received its first approval in the USA to decrease the incidence of chemotherapy-induced myelosuppression in adult patients when administered prior to a platinum/etoposide-containing regimen or topotecan-containing regimen for extensive-stage small cell lung cancer (ES-SCLC). Clinical studies in breast cancer, colorectal cancer and small cell lung cancer are underway in several countries.

Approval Year

TargetsConditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Secondary
COSELA

Approved Use

Indicated to decrease the incidence of chemotherapy-induced myelosuppression in adult patients when administered prior to a platinum/etoposide-containing regimen or topotecan-containing regimen for extensive-stage small cell lung cancer.

Launch Date

2021
Cmax

Cmax

ValueDoseCo-administeredAnalytePopulation
1270 ng/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
1220 ng/mL
240 mg/m² 1 times / day steady-state, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: STEADY-STATE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
2457 ng/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
1020 ng/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
50.4 ng/mL
6 mg/m² single, intravenous
dose: 6 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
119 ng/mL
12 mg/m² single, intravenous
dose: 12 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
255 ng/mL
24 mg/m² single, intravenous
dose: 24 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
224 ng/mL
49 mg/m² single, intravenous
dose: 49 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
910 ng/mL
96 mg/m² single, intravenous
dose: 96 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
910 ng/mL
96 mg/m² single, intravenous
dose: 96 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1969 ng/mL
192 mg/m² single, intravenous
dose: 192 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1240 ng/mL
200 mg/m² single, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1620 ng/mL
200 mg/m² 1 times / day multiple, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1570 ng/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
2260 ng/mL
240 mg/m² 1 times / day multiple, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
1200 ng/mL
200 mg/m² single, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1060 ng/mL
200 mg/m² 1 times / day multiple, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1270 ng/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1220 ng/mL
240 mg/m² 1 times / day multiple, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1110 ng/mL
280 mg/m² single, intravenous
dose: 280 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2220 ng/mL
280 mg/m² 1 times / day multiple, intravenous
dose: 280 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1570 ng/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
AUC

AUC

ValueDoseCo-administeredAnalytePopulation
2730 ng × h/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
2890 ng × h/mL
240 mg/m² 1 times / day steady-state, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: STEADY-STATE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
3922 ng × h/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
2969 ng × h/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
66.6 ng × h/mL
6 mg/m² single, intravenous
dose: 6 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
143 ng × h/mL
12 mg/m² single, intravenous
dose: 12 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
279 ng × h/mL
24 mg/m² single, intravenous
dose: 24 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
518 ng × h/mL
49 mg/m² single, intravenous
dose: 49 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1341 ng × h/mL
96 mg/m² single, intravenous
dose: 96 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1341 ng × h/mL
96 mg/m² single, intravenous
dose: 96 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
3106 ng × h/mL
192 mg/m² single, intravenous
dose: 192 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2560 ng × h/mL
200 mg/m² single, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
3110 ng × h/mL
200 mg/m² 1 times / day multiple, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2280 ng × h/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
2960 ng × h/mL
240 mg/m² 1 times / day multiple, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
2410 ng × h/mL
200 mg/m² single, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2320 ng × h/mL
200 mg/m² 1 times / day multiple, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2910 ng × h/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2880 ng × h/mL
240 mg/m² 1 times / day multiple, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
3490 ng × h/mL
280 mg/m² single, intravenous
dose: 280 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
4520 ng × h/mL
280 mg/m² 1 times / day multiple, intravenous
dose: 280 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2279.98 ng × h/mL
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
T1/2

T1/2

ValueDoseCo-administeredAnalytePopulation
14 h
single, intravenous
TRILACICLIB plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
5.32 h
6 mg/m² single, intravenous
dose: 6 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
7.62 h
12 mg/m² single, intravenous
dose: 12 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
9.28 h
24 mg/m² single, intravenous
dose: 24 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
12.9 h
49 mg/m² single, intravenous
dose: 49 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
14.7 h
96 mg/m² single, intravenous
dose: 96 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
14.7 h
96 mg/m² single, intravenous
dose: 96 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
14.5 h
192 mg/m² single, intravenous
dose: 192 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
7.87 h
200 mg/m² single, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
9.12 h
200 mg/m² 1 times / day multiple, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2.91 h
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
4.03 h
240 mg/m² 1 times / day multiple, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: CARBOPLATIN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: UNKNOWN
food status: UNKNOWN
6.92 h
200 mg/m² single, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
8.57 h
200 mg/m² 1 times / day multiple, intravenous
dose: 200 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
6.79 h
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
8.09 h
240 mg/m² 1 times / day multiple, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
7.38 h
280 mg/m² single, intravenous
dose: 280 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
8.54 h
280 mg/m² 1 times / day multiple, intravenous
dose: 280 mg/m²
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: TOPOTECAN
TRILACICLIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2.91 h
240 mg/m² single, intravenous
dose: 240 mg/m²
route of administration: Intravenous
experiment type: SINGLE
co-administered:
TRILACICLIB plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
Funbound

Funbound

ValueDoseCo-administeredAnalytePopulation
28.3%
TRILACICLIB plasma
Homo sapiens
population: UNKNOWN
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
Doses

Doses

DosePopulationAdverse events​
240 mg/m2 1 times / day multiple, intravenous
Recommended
unhealthy, ADULT
Disc. AE: Adverse event...
240 mg/m2 1 times / day
Recommended
unhealthy, ADULT
Disc. AE: Adverse event...
240 mg/m2 3 times / day intramuscular
Recommended
unhealthy, ADULT
Disc. AE: Adverse event...
240 mg/m2 1 times / day multiple, intravenous
Recommended
unhealthy
Other AEs: Adverse event...
AEs

AEs

AESignificanceDosePopulation
Adverse event 4 patients
Disc. AE
240 mg/m2 1 times / day multiple, intravenous
Recommended
unhealthy, ADULT
Adverse event 6 patients
Disc. AE
240 mg/m2 1 times / day
Recommended
unhealthy, ADULT
Adverse event 4 patients
Disc. AE
240 mg/m2 3 times / day intramuscular
Recommended
unhealthy, ADULT
Adverse event
240 mg/m2 1 times / day multiple, intravenous
Recommended
unhealthy
OverviewDrug as perpetrator​

Drug as perpetrator​

TargetModalityActivityMetaboliteClinical evidence
no
no
no
no
no
no
no
no
no
no
no
no
yes [IC50 0.071 uM]
yes (co-administration study)
yes [IC50 0.152 uM]
yes (co-administration study)
yes [IC50 0.175 uM]
yes (co-administration study)
yes [IC50 0.6 uM]
yes [IC50 10.8 uM]
yes [IC50 22.9 uM]
yes [IC50 31.1 uM]
yes [IC50 36.4 uM]
no (co-administration study)
yes
Drug as victim

Drug as victim

TargetModalityActivityMetaboliteClinical evidence
no
no
no
no
no
no
no
no (co-administration study)
Comment: Cmax and AUCinf of trilaciclib were decreased by 19.9% and 17.3% by rifampicin (10-day multiple dosing)
Page: 27.0
yes
yes
Tox targets
PubMed

PubMed

TitleDatePubMed
Trilaciclib Prior to Chemotherapy in Patients with Metastatic Triple-Negative Breast Cancer: Final Efficacy and Subgroup Analysis from a Randomized Phase II Study.
2022-02-15
Trilaciclib prior to chemotherapy reduces the usage of supportive care interventions for chemotherapy-induced myelosuppression in patients with small cell lung cancer: Pooled analysis of three randomized phase 2 trials.
2021-09
Trilaciclib prior to chemotherapy and atezolizumab in patients with newly diagnosed extensive-stage small cell lung cancer: A multicentre, randomised, double-blind, placebo-controlled Phase II trial.
2021-05-15
Trilaciclib: First Approval.
2021-05
Patents

Sample Use Guides

The recommended dose of COSELA is 240 mg/m2 as a 30-minute intravenous infusion completed within 4 hours prior to the start of chemotherapy on each day chemotherapy is administered.
Route of Administration: Intravenous
In Vitro Use Guide
Trilaciclib inhibits CDK4/cyclin D1 and CDK6/cyclin D3 with IC50 of 1 nM and 4 nM, respectively.
Substance Class Chemical
Created
by admin
on Wed Apr 02 09:48:15 GMT 2025
Edited
by admin
on Wed Apr 02 09:48:15 GMT 2025
Record UNII
Z0VZ227G1L
Record Status Validated (UNII)
Record Version
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Name Type Language
SPIRO(CYCLOHEXANE-1,9'(6'H)-PYRAZINO(1',2':1,5)PYRROLO(2,3-D)PYRIMIDIN)-6'-ONE, 7',8'-DIHYDRO-2'-((5-(4-METHYL-1-PIPERAZINYL)-2-PYRIDINYL)AMINO)-, HYDROCHLORIDE, HYDRATE (1:2:2)
Preferred Name English
TRILACICLIB DIHYDROCHLORIDE DIHYDRATE
Common Name English
Code System Code Type Description
PUBCHEM
155491232
Created by admin on Wed Apr 02 09:48:15 GMT 2025 , Edited by admin on Wed Apr 02 09:48:15 GMT 2025
PRIMARY PUBCHEM
CAS
2519335-12-5
Created by admin on Wed Apr 02 09:48:15 GMT 2025 , Edited by admin on Wed Apr 02 09:48:15 GMT 2025
PRIMARY
FDA UNII
Z0VZ227G1L
Created by admin on Wed Apr 02 09:48:15 GMT 2025 , Edited by admin on Wed Apr 02 09:48:15 GMT 2025
PRIMARY
SMS_ID
300000049160
Created by admin on Wed Apr 02 09:48:15 GMT 2025 , Edited by admin on Wed Apr 02 09:48:15 GMT 2025
PRIMARY
Related Record Type Details
ANHYDROUS->SOLVATE
PARENT -> SALT/SOLVATE
Related Record Type Details
ACTIVE MOIETY