Skip to main content
Free research Free research Free compound review with research home and workspace preview
Quick search ChEMBL 36
Compound Detail

CHEMBL2035187

PACRITINIB
💊 Approved Drug
Enter ChEMBL ID:
Free Research Context This compound will appear in recent viewed items on the research home for this browser.
Research home View demo workspace
💊 Approved Drug
C1=N/C2=N/c3ccc(OCCN4CCCC4)c(c3)COC/C=C/COCc3cccc(c3)C(=C1)N2

Basic Information

ChEMBL ID CHEMBL2035187
Name PACRITINIB
Phase Approved
Structure Type MOL
InChI Key HWXVIOGONBBTBY-ONEGZZNKSA-N
Therapeutic ✓ Yes

Known Names

ONX-0803 Pacritinib Sb-1518 SB1518
84
Targets
198
Activities
3
Assay Types
22
PK Parameters
20
Publications
4
Known Names
19
Indications
2
Mechanisms

Molecular Properties

472.6
MW (Da)
4.47
ALogP
7
HBA
1
HBD
67.7
PSA (Ų)
0.67
QED
0
Ro5 Violations
4
Rot. Bonds

Drug Information

Molecule Type Small molecule
First Approval 2022
Availability Prescription
Chirality Achiral

Routes of Administration

Oral

Flags

Natural Product
USAN Stem -tinib
USAN Year 2014

Extended Properties

Molecular Formula C28H32N4O3
MW 472.59
Aromatic Rings 2
Heavy Atoms 35
NP-Likeness 0.11

Mechanism of Action

Mechanism Action Type Target Direct Efficacy
Tyrosine-protein kinase JAK2 inhibitor INHIBITOR Tyrosine-protein kinase JAK2
Tyrosine-protein kinase receptor FLT3 inhibitor INHIBITOR Receptor-type tyrosine-protein kinase FLT3

Indications

Neoplasms Colorectal Neoplasms Hodgkin Disease Leukemia Leukemia, Myeloid, Acute Lymphoma Lymphoma, Mantle-Cell Myeloproliferative Disorders Primary Myelofibrosis Primary Myelofibrosis Prostatic Neoplasms, Castration-Resistant Severe Acute Respiratory Syndrome Breast Neoplasms Carcinoma, Non-Small-Cell Lung Graft vs Host Disease Leukemia, Lymphocytic, Chronic, B-Cell Leukemia, Myelomonocytic, Chronic Liver Diseases Myelodysplastic Syndromes

ATC Classification

L01EJ03
pacritinib
Level 1: ANTINEOPLASTIC AND IMMUNOMODULATING AGENTS
Level 2: ANTINEOPLASTIC AGENTS

Activity Summary

IC50 143 meas. best 9.0
Kd 50 meas. best 8.52
EC50 5 meas. best 6.65

Target Activity Profile

Target Type Best pChEMBL Mean pChEMBL Best (nM) # Data
Tyrosine-protein kinase JAK2
CHEMBL2971
IC50 9.0 7.7214 1.0 14
Serine/threonine-protein kinase STK11
CHEMBL5606
Kd 8.52 8.52 3.0 1
Ribosyldihydronicotinamide dehydrogenase [quinone]
CHEMBL3959
Kd 8.4 8.4 4.0 1
Receptor-type tyrosine-protein kinase FLT3
CHEMBL1974
IC50 8.22 7.6381 6.0 21
Tyrosine-protein kinase JAK2
CHEMBL2971
Kd 8.18 8.115 6.6 2
Tyrosine-protein kinase JAK3
CHEMBL2148
IC50 7.74 6.5214 18.3 7
Activin receptor type-1
CHEMBL5903
Kd 7.66 7.66 22.0 1
AarF domain-containing protein kinase 1
CHEMBL4105885
Kd 7.48 7.48 33.0 1
Interleukin-1 receptor-associated kinase 3
CHEMBL5081
Kd 7.46 7.46 35.0 1
Non-receptor tyrosine-protein kinase TYK2
CHEMBL3553
Kd 7.42 7.16 38.0 2
BMP-2-inducible protein kinase
CHEMBL4522
Kd 7.41 7.41 39.0 1
Macrophage colony-stimulating factor 1 receptor
CHEMBL1844
IC50 7.4 7.4 39.5 1
Interleukin-1 receptor-associated kinase 1
CHEMBL3357
IC50 7.4 7.4 39.5 1
Tyrosine-protein kinase JAK3
CHEMBL2148
Kd 7.39 7.39 41.0 1
AP2-associated protein kinase 1
CHEMBL3830
Kd 7.38 7.38 42.0 1
MV4-11
CHEMBL613835
IC50 7.33 7.2767 47.0 3
MOLM-13
CHEMBL3706572
IC50 7.33 7.114 47.0 5
Non-receptor tyrosine-protein kinase TYK2
CHEMBL3553
IC50 7.3 7.1283 50.0 6
Uncharacterized protein FLJ45252
CHEMBL4105933
Kd 7.28 7.28 52.0 1
Unchecked
CHEMBL612545
IC50 7.2 6.4326 63.0 19
NON-PROTEIN TARGET
CHEMBL3879801
IC50 7.1 5.9825 79.0 20
MOLM-14
CHEMBL3706570
IC50 7.1 7.1 79.0 1
TRAF2 and NCK-interacting protein kinase
CHEMBL4527
Kd 7.05 7.05 89.0 1
BaF3
CHEMBL614524
IC50 6.88 6.618 133.0 5
Dual specificity protein kinase CLK1
CHEMBL4224
Kd 6.86 6.86 138.0 1
Mitogen-activated protein kinase kinase kinase kinase 1
CHEMBL5749
Kd 6.8 6.8 160.0 1
SET-2
CHEMBL4523566
IC50 6.66 6.4533 217.0 3
Unchecked
CHEMBL612545
EC50 6.65 6.65 224.0 2
Receptor-type tyrosine-protein kinase FLT3
CHEMBL1974
Kd 6.64 6.64 228.0 1
Interleukin-1 receptor-associated kinase 1
CHEMBL3357
Kd 6.59 6.59 258.0 1
Serine/threonine-protein kinase ICK
CHEMBL1163126
Kd 6.57 6.57 270.0 1
Mitogen-activated protein kinase kinase kinase kinase 4
CHEMBL6166
Kd 6.53 6.53 293.0 1
Tyrosine-protein kinase JAK1
CHEMBL2835
Kd 6.5 6.5 318.0 1
Karpas-1106P
CHEMBL4523591
IC50 6.46 6.46 348.0 1
Tyrosine-protein kinase JAK1
CHEMBL2835
IC50 6.43 5.98 371.0 6
Casein kinase II subunit alpha'
CHEMBL4070
Kd 6.41 6.41 394.0 1
HL-60
CHEMBL383
IC50 6.28 6.015 520.0 2
SET-2
CHEMBL4523566
EC50 6.24 6.24 571.0 1
Aurora kinase B
CHEMBL2185
Kd 6.19 6.19 641.0 1
A2780
CHEMBL614004
IC50 6.18 6.18 664.0 1
Cyclin-G-associated kinase
CHEMBL4355
Kd 6.17 6.17 674.0 1
Unchecked
CHEMBL612545
Kd 6.17 6.17 673.0 1
Inhibitor of nuclear factor kappa-B kinase subunit epsilon
CHEMBL3529
Kd 6.15 6.15 715.0 1
KMS-12-BM
CHEMBL4296455
IC50 6.12 6.12 750.0 1
MOLT-4
CHEMBL614177
IC50 6.12 6.12 750.0 1
PC-3
CHEMBL390
IC50 6.11 6.11 770.0 1
Jurkat E6.1
CHEMBL4296446
IC50 6.08 6.08 839.0 1
MCF7
CHEMBL387
IC50 6.07 6.07 853.0 1
Non-receptor tyrosine-protein kinase TNK1
CHEMBL5334
Kd 6.05 6.05 888.0 1
LNCaP
CHEMBL612518
IC50 6.04 6.04 917.0 1

Pharmacokinetic Data

Parameter Value Units Species
AUC 53.0 ng.hr.mL-1 Canis lupus familiaris
AUC 599.0 ng.hr.mL-1 Rattus norvegicus
AUC 399.0 ng.hr.mL-1 Mus musculus
AUC 220.0 ng.hr.mL-1 Mus musculus
Cmax 24.33 nM Canis lupus familiaris
Cmax 241.22 nM Rattus norvegicus
Cmax 617.87 nM Mus musculus
F 10.0 % Rattus norvegicus
F 24.0 % Canis lupus familiaris
F 39.0 % Mus musculus
T1/2 0.3 hr Rattus norvegicus
T1/2 0.6833 hr Canis lupus familiaris
T1/2 0.3667 hr Mus musculus
T1/2 1.0 hr Homo sapiens
T1/2 3.4 hr Canis lupus familiaris
T1/2 5.7 hr Rattus norvegicus
T1/2 0.84 hr Mus musculus
T1/2 1.0 hr Homo sapiens
T1/2 0.3667 hr Mus musculus
Tmax 2.0 hr Canis lupus familiaris
Tmax 4.0 hr Rattus norvegicus
Tmax 1.0 hr Mus musculus

Activity Data Samples

Top measurements by pChEMBL value

Target Type Rel. Value Units pChEMBL Assay PubMed
Tyrosine-protein kinase JAK2 IC50 = 1.0 nM 9.0 Inhibition of JAK2 (unknown origin) preincubated for 20 mins followed by [33P]AT... 27541357
Serine/threonine-protein kinase STK11 Kd = 3.0 nM 8.52 Kinobeads (epsilon), multiple immobilized ATP-competitive broad spectrum kinase ... 29191878
Ribosyldihydronicotinamide dehydrogenase [quinone] Kd = 4.0 nM 8.4 Kinobeads (epsilon), multiple immobilized ATP-competitive broad spectrum kinase ... 29191878
Receptor-type tyrosine-protein kinase FLT3 IC50 = 6.0 nM 8.22 Inhibition of FLT3 D835Y mutant expressed in human MV4-11 cells 21604762
Tyrosine-protein kinase JAK2 IC50 = 6.0 nM 8.22 Inhibition of human JAK2 35923716
Receptor-type tyrosine-protein kinase FLT3 IC50 = 6.0 nM 8.22 Inhibition of recombinant N-terminal GST-tagged FLT3 D835Y mutant (unknown origi... 21691275
Receptor-type tyrosine-protein kinase FLT3 IC50 = 6.0 nM 8.22 Inhibition of GST-tagged recombinant FLT3 D835Y mutant (unknown origin) expresse... 22829080
Receptor-type tyrosine-protein kinase FLT3 IC50 = 6.4 nM 8.19 Inhibition of human FLT3 35923716
Tyrosine-protein kinase JAK2 Kd = 6.6 nM 8.18 Binding affinity to recombinant human JAK2 kinase domain by fluorescence polariz... 38843875
Receptor-type tyrosine-protein kinase FLT3 IC50 = 8.0 nM 8.1 Inhibition of FLT3 in human RS4-11 cells assessed as reduction in phosphorylated... 22829080
Tyrosine-protein kinase JAK2 Kd = 8.9 nM 8.05 Binding affinity to recombinant human JAK2 kinase domain (840 to 1132 residues) ... 38843875
Receptor-type tyrosine-protein kinase FLT3 IC50 = 12.0 nM 7.92 Inhibition of FLT3 mutant (unknown origin) 35923716
Tyrosine-protein kinase JAK2 IC50 = 14.0 nM 7.85 Inhibition of recombinant human JAK2 assessed as inhibition of substrate phospho... 38843875
Receptor-type tyrosine-protein kinase FLT3 IC50 = 18.3 nM 7.74 Inhibition of FLT3 D835Y mutant (unknown origin) 35923716
Tyrosine-protein kinase JAK3 IC50 = 18.3 nM 7.74 Inhibition of JAK3 (unknown origin) 35923716
Tyrosine-protein kinase JAK2 IC50 = 19.0 nM 7.72 Inhibition of JAK2 V617F mutant expressed in mouse Ba/f3 cells 21604762
Tyrosine-protein kinase JAK2 IC50 = 19.0 nM 7.72 Inhibition of recombinant N-terminal GST-tagged JAK2 V617F mutant (unknown origi... 21691275
Receptor-type tyrosine-protein kinase FLT3 IC50 = 20.0 nM 7.7 Inhibition of FLT3-ITD mutant in human MOLM-13 cells assessed as reduction in ph... 22829080
Receptor-type tyrosine-protein kinase FLT3 IC50 = 22.0 nM 7.66 Inhibition of recombinant N-terminal GST-tagged FLT3 (unknown origin) expressed ... 21691275
Receptor-type tyrosine-protein kinase FLT3 IC50 = 22.0 nM 7.66 Inhibition of FLT3 (unknown origin) 39137454

Literature References

PubMed DOI Target Context # Activities
22829080 10.1038/bcj.2011.43 MV4-11 27
21691275 10.1038/leu.2011.148 Tyrosine-protein kinase JAK2 25
27541357 10.1021/acs.jmedchem.6b00157 NON-PROTEIN TARGET 20
21691275 10.1038/leu.2011.148 Unchecked 19
22829080 10.1038/bcj.2011.43 Unchecked 17
22829080 10.1038/bcj.2011.43 Receptor-type tyrosine-protein kinase FLT3 16
22829080 10.1038/bcj.2011.43 MOLM-13 11
21691275 10.1038/leu.2011.148 ADMET 11
21604762 10.1021/jm200326p Mus musculus 8
38843875 10.1021/acs.jmedchem.4c00197 Tyrosine-protein kinase JAK2 7
38843875 10.1021/acs.jmedchem.4c00197 Unchecked 7
21691275 10.1038/leu.2011.148 SET-2 7
21604762 10.1021/jm200326p MV4-11 5
21604762 10.1021/jm200326p Canis familiaris 5
21604762 10.1021/jm200326p Rattus norvegicus 5
29191878 10.1126/science.aan4368 Unchecked 5
21691275 10.1038/leu.2011.148 Karpas-1106P 5
38389874 10.1039/d3md00457k Unchecked 4
38389874 10.1039/d3md00457k ADMET 4
28953386 10.1021/acs.jmedchem.7b00678 Unchecked 4

Data from ChEMBL 36 via Core Engine