Dactolisib

drug
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Also known as Bez-235BEZ235NSC-751249Nvp-bez-235NVP-BEZ235RTB-101Rtb101SID124898663SID103905146SID124898665SID99460876DACTOLISIB (BEZ235, NVP-BEZ235)DactolisibÊDactolisib (BEZ235NVP-BEZ235)DactolisibÂ

Summary

Dactolisib (CHEMBL1879463) is a phase-3 clinical-stage small-molecule EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor targeting ATR, MTOR, and PIK3CA; indicated across 10 conditions including neoplasm and transitional cell carcinoma; with CIViC clinical evidence for 41 variant-indication associations (e.g. NRAS Q61K in colorectal cancer).

At a glance

  • Status: Max clinical phase 3 (not approved)
  • Modality: Small molecule
  • Targets: 5 (ATR, MTOR, PIK3CA…)
  • Indications: 10 conditions
  • Clinical trials: 23
  • Precision-oncology evidence (CIViC): 41 variant–indication associations
  • Chemistry: 469.5 Da · C30H23N5O

Identifiers

Drug identity and classification

FieldValue
ChEMBL IDCHEMBL1879463
NameDactolisib
TypeSmall molecule
Max phase3
FDA approvedno
PubChem CID11977753
ChEBICHEBI:71952
Molecular formulaC30H23N5O
Molecular weight469.5
InChIKeyJOGKUKXHTYWRGZ-UHFFFAOYSA-N

SMILES: CC(C)(C#N)C1=CC=C(C=C1)N2C3=C4C=C(C=CC4=NC=C3N(C2=O)C)C5=CC6=CC=CC=C6N=C5

IUPAC name: 2-methyl-2-[4-(3-methyl-2-oxo-8-quinolin-3-ylimidazo[4,5-c]quinolin-1-yl)phenyl]propanenitrile

ChEBI definition: An imidazoquinoline that is 3-methyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinoline substituted at position 1 by a 4-(1-cyanoisopropyl)phenyl group and at position 8 by a quinolin-3-yl group. A dual PI3K/mTOR inhibitor used in cancer treatment.

Pharmacological roles (ChEBI): EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor, mTOR inhibitor, antineoplastic agent.

Also known as: Bez-235, BEZ-235, BEZ235, Dactolisib, NSC-751249, Nvp-bez-235, NVP-BEZ235, RTB-101, Rtb101, RTB101, SID124898663, SID103905146

Parent form; salt/anhydrous children: CHEMBL1911126, CHEMBL3039506

Patent coverage: 2,924 distinct patent families (7,988 SureChEMBL compound mentions), from 3 matched compound structure(s). One matched structure accounts for 7,391 (93%) of the total. Mentions count patents naming the compound (not distinct inventions), so promiscuous / reference molecules inflate the mention figure — families are the dedup metric.

Targets

Targets

Primary targets (GtoPdb curated mechanism): the Cancer dependency column is the DepMap CRISPR fitness signal (% of screened cell lines dependent on the target).

GeneTargetActionpAffinityCancer dependencyUniProt
ATRATR checkpoint kinaseInhibition7.68Q13535
MTORmechanistic target of rapamycin kinaseInhibition8.2298.3% (common-essential)P42345
PIK3CAphosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alphaInhibition8.442.7%P42336
PIK3CDphosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit deltaInhibition8.156%O00329
PIK3CGphosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit gammaInhibition8.30.7%P48736

Broader ChEMBL bioactivity targets: 35 (assay-derived). Sample: Phosphatidylinositol 4-phosphate 3-kinase C2 domain-containing subunit alpha, Leucine-rich repeat serine/threonine-protein kinase 2, Phosphatidylinositol 3-kinase catalytic subunit type 3, Macrophage colony-stimulating factor 1 receptor, Protein deacetylase HDAC6, PI3-kinase p110-alpha/p85-alpha, PI3-kinase p110-delta/p85-alpha, Tyrosine-protein kinase JAK3, Aurora kinase B, Serine/threonine-protein kinase mTOR.

Bioactivity

ChEMBL activities: 180 potent at pChembl ≥ 5 of 180 total. Top 30 by potency (10 = 0.1 nM, 6 = 1 µM):

TargetpChemblTypeValueUnitActivity ID
MTOR9.35IC500.45nMCHEMBL_ACT_26139402
PRKDC9.1IC500.8nMCHEMBL_ACT_25847706
MTOR8.85IC501.43nMCHEMBL_ACT_19091463
PIK3CA8.85IC501.4nMCHEMBL_ACT_25847801
MTOR8.72IC501.9nMCHEMBL_ACT_24817280
MTOR8.7IC502nMCHEMBL_ACT_16756885
HDAC68.7IC502nMCHEMBL_ACT_23168158
MTOR8.7IC502nMCHEMBL_ACT_25570174
PRKDC8.7IC502nMCHEMBL_ACT_25570180
MTOR8.49IC503.23nMCHEMBL_ACT_17750165
PIK3CA8.4IC504nMCHEMBL_ACT_14553265
PIK3R18.4IC504nMCHEMBL_ACT_16801276
PIK3CA8.4IC504nMCHEMBL_ACT_18673657
PIK3CA8.4IC504nMCHEMBL_ACT_24773326
PIK3CA8.4IC504nMCHEMBL_ACT_24788885
PIK3CA8.4IC504nMCHEMBL_ACT_24978773
PIK3CA8.4IC504nMCHEMBL_ACT_24995793
PIK3CA8.4IC504nMCHEMBL_ACT_25556714
PIK3CA8.4IC504nMCHEMBL_ACT_25892706
PIK3CA8.4IC504nMCHEMBL_ACT_26224982
MTOR8.37IC504.3nMCHEMBL_ACT_25847896
PIK3CG8.3IC505nMCHEMBL_ACT_14553270
MTOR8.3IC505nMCHEMBL_ACT_14743595
PIK3CD8.3IC505nMCHEMBL_ACT_16801273
PIK3CG8.3IC505nMCHEMBL_ACT_18673661
PIK3CD8.3IC505nMCHEMBL_ACT_19207791
PIK3CG8.3IC505nMCHEMBL_ACT_24773351
PIK3CG8.3IC505nMCHEMBL_ACT_24978776
PIK3CD8.3IC505nMCHEMBL_ACT_24995796
PIK3CG8.3IC505nMCHEMBL_ACT_25556716

Target pathways

Aggregated over 5 target gene(s): ATR, MTOR, PIK3CA, PIK3CD, PIK3CG.

Top Reactome pathways

124 total, by targets touching each:

PathwayTargetsGenes
PIP3 activates AKT signaling4MTOR, PIK3CA, PIK3CD, PIK3CG
CD28 dependent PI3K/Akt signaling4MTOR, PIK3CA, PIK3CD, PIK3CG
Synthesis of PIPs at the plasma membrane3PIK3CA, PIK3CD, PIK3CG
Constitutive Signaling by Aberrant PI3K in Cancer3PIK3CA, PIK3CD, PIK3CG
PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling3PIK3CA, PIK3CD, PIK3CG
Erythropoietin activates Phosphoinositide-3-kinase (PI3K)3PIK3CA, PIK3CD, PIK3CG
High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells3MTOR, PIK3CA, PIK3CD
Co-stimulation by ICOS3PIK3CA, PIK3CD, PIK3CG
GPVI-mediated activation cascade2PIK3CA, PIK3CG
Disease2ATR, MTOR
Generic Transcription Pathway2ATR, MTOR
Cellular responses to stress2ATR, MTOR
Cellular response to heat stress2ATR, MTOR
Transcriptional Regulation by TP532ATR, MTOR
VEGFA-VEGFR2 Pathway2MTOR, PIK3CA
Interleukin-3, Interleukin-5 and GM-CSF signaling2PIK3CA, PIK3CD
Regulation of TP53 Activity2ATR, MTOR
RNA Polymerase II Transcription2ATR, MTOR
Gene expression (Transcription)2ATR, MTOR
RET signaling2PIK3CA, PIK3CD
Cellular responses to stimuli2ATR, MTOR
Interleukin receptor SHC signaling2PIK3CA, PIK3CD
Regulation of signaling by CBL2PIK3CA, PIK3CD
Signaling by CSF1 (M-CSF) in myeloid cells2PIK3CA, PIK3CD
PI3K Cascade1PIK3CA
IRS-mediated signalling1PIK3CA
Meiotic synapsis1ATR
Constitutive Signaling by Ligand-Responsive EGFR Cancer Variants1PIK3CA
PI3K events in ERBB4 signaling1PIK3CA
Adaptive Immune System1MTOR

Dominant GO biological processes

GO termTargets
phosphatidylinositol 3-kinase/protein kinase B signal transduction4
inflammatory response3
positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction3
cell migration3
phosphatidylinositol-3-phosphate biosynthetic process3
phosphatidylinositol phosphate biosynthetic process3
phosphatidylinositol-mediated signaling3
lipid metabolic process3
DNA damage response2
regulation of cellular response to heat2
regulation of cellular response to stress2
positive regulation of lamellipodium assembly2
negative regulation of macroautophagy2
T cell costimulation2
cellular response to insulin stimulus2

Indications & clinical

Indications

10 indications (0 at ChEMBL trial phase 4). Phase below is the highest clinical-trial phase recorded for this drug against each disease — not the molecule’s overall approval status (that is in the Summary).

IndicationTrial phaseMONDOEFO
neoplasm2MONDO:0005070EFO:0000616
transitional cell carcinoma2MONDO:0006474EFO:1000601
pancreatic neuroendocrine tumor2MONDO:0019954EFO:1000045
breast neoplasm2MONDO:0021100MONDO:0007254
endometrium neoplasm2MONDO:0021251MONDO:0011962
severe acute respiratory syndrome2MONDO:0005091MONDO:0100096
kidney cancer1MONDO:0002367MONDO:0002367

3 further indication records had no mapped disease name (EFO/MeSH-only) or were duplicates, and are omitted.

Clinical trials

Total trials: 23.

Phase distribution

PhaseTrials
PHASE110
PHASE28
PHASE1/PHASE23
PHASE32

Top trials by phase / activity

NCTPhaseStatusTitle
NCT04139915PHASE3WITHDRAWNEffect of RTB101 on Illness Associated With Respiratory Tract Infections in the Elderly
NCT04668352PHASE3COMPLETEDA Phase 3 Study to Determine if RTB101 Prevents Clinically Symptomatic Respiratory Illness in the Elderly
NCT03373903PHASE2ACTIVE_NOT_RECRUITINGDose Finding Study to Determine if BEZ235 Alone or in Combination With RAD001 Decreases the Incidence of Respiratory Tract Infections in the Elderly
NCT04584710PHASE2ACTIVE_NOT_RECRUITINGA Phase 2 Study of RTB101 as COVID-19 Post-Exposure Prophylaxis in Older Adults
NCT01288092PHASE2WITHDRAWNBEZ235 Trial in Patients With HER2-(Human Epidermal Growth Factor Receptor 2 Negative) /HR+ (Hormonal Receptor Positive) Metastatic Breast Cancer
NCT01290406PHASE2WITHDRAWNBEZ235 Trial in Patients With Advanced Endometrial Carcinoma
NCT01453595PHASE1/PHASE2TERMINATEDBEZ235 in Patients With Advanced Renal Cell Carcinoma (RCC)
NCT01495247PHASE1/PHASE2TERMINATEDPhase Ib/II Trial of BEZ235 With Paclitaxel in Patients With HER2 Negative, Locally Advanced or Metastatic Breast Cancer
NCT01628913PHASE2TERMINATEDEfficacy and Safety of BEZ235 Compared to Everolimus in Patients With Advanced Pancreatic Neuroendocrine Tumors
NCT01690871PHASE2WITHDRAWNA Phase II Study of Orally Administered BEZ235 Monotherapy in Patients With Metastatic or Unresectable Malignant PEComa
NCT01717898PHASE1/PHASE2TERMINATEDA Multicenter Phase I/II Trial of Abiraterone Acetate + BEZ235 in Metastatic, Castration-Resistant Prostate Cancer
NCT01856101PHASE2TERMINATEDStudy of BEZ235 as Monotherapy in Patients With Transitional Cell Carcinoma After Failure of Platinum Based Chemotherapy
NCT04409327PHASE2TERMINATEDPhase 2 Study to Determine if RTB101 Reduces the Severity of COVID-19 in Older Adults Residing in Nursing Homes
NCT00620594PHASE1COMPLETEDA Phase I/II Study of BEZ235 in Patients With Advanced Solid Malignancies Enriched by Patients With Advanced Breast Cancer
NCT01195376PHASE1COMPLETEDA Study of BEZ235 in Adult Japanese Patients With Advanced Solid Tumors
NCT01248494PHASE1COMPLETEDPhIb BKM120 or BEZ235+Endocrine Treatment in Post-Menopausal Patients With Hormone Receptor + Metastatic Breast Cancer
NCT01285466PHASE1COMPLETEDA Trial of Oral BEZ235 and BKM120 in Combination With Paclitaxel With or Without Trastuzumab
NCT01337765PHASE1COMPLETEDSafety, Pharmacokinetics and Pharmacodynamics of BEZ235 Plus MEK162 in Selected Advanced Solid Tumor Patients
NCT01343498PHASE1COMPLETEDStudy of PI3 Kinase/mTOR Inhibitor BEZ235 Twice Daily for Advanced Solid Tumors
NCT01482156PHASE1COMPLETEDDose Finding Study of RAD001 (Everolimus, Afinitor®) in Combination With BEZ235 in Patients With Advanced Solid Tumors
NCT01508104PHASE1TERMINATEDSafety Study of BEZ235 With Everolimus in Subjects With Advanced Solid Tumors
NCT01634061PHASE1COMPLETEDPhase Ib of Abiraterone Acetate Plus BEZ235 or BKM120 in Castration-resistant Prostate Cancer (CRPC) Patients
NCT01756118PHASE1COMPLETEDA Phase I, Dose-finding Study of BEZ235 in Adult Patients With Relapsed or Refractory Acute Leukemia

Clinical evidence (CIViC)

Variant × indication × effect (41 predictive associations from 43 curated evidence items):

VariantIndicationEffectTherapyLevelCIViC
NRAS Q61KColorectal CancerSensitivity/ResponseDactolisibCIViC BEID2194 +1
PIK3CA H1047RHead And Neck CancerSensitivity/ResponseDactolisibCIViC DEID1361 +1
AR OVEREXPRESSIONBreast CancerSensitivity/ResponseDactolisibCIViC DEID859
BRAF V600EMelanomaSensitivity/ResponseDactolisib + SelumetinibCIViC DEID1005
BRAF V600EColorectal CancerSensitivity/ResponseDactolisib + GDC-0879CIViC DEID1428
KRAS A146TColorectal CancerSensitivity/ResponseDactolisib + SelumetinibCIViC DEID2206
KRAS A146VColorectal CancerSensitivity/ResponseDactolisib + SelumetinibCIViC DEID2209
KRAS G12CColorectal CancerSensitivity/ResponseDactolisib + SelumetinibCIViC DEID2212
KRAS G12DColorectal CancerSensitivity/ResponseDactolisib + SelumetinibCIViC DEID2218
KRAS G12DLung Non-small Cell CarcinomaSensitivity/ResponseDactolisib + SelumetinibCIViC DEID305
KRAS G12VColorectal CancerSensitivity/ResponseDactolisib + SelumetinibCIViC DEID2001
KRAS G13DColorectal CancerSensitivity/ResponseDactolisib + SelumetinibCIViC DEID2183
NRAS G12DColorectal CancerSensitivity/ResponseDactolisibCIViC DEID1998
NRAS G12SColorectal CancerSensitivity/ResponseDactolisibCIViC DEID2215
NRAS G13CColorectal CancerSensitivity/ResponseDactolisibCIViC DEID2197
NRAS G13RColorectal CancerSensitivity/ResponseDactolisibCIViC DEID2203
NRAS Q61HColorectal CancerSensitivity/ResponseDactolisibCIViC DEID2171
NRAS Q61KColorectal CancerSensitivity/ResponseSelumetinib + DactolisibCIViC DEID2192
NRAS Q61LColorectal CancerSensitivity/ResponseDactolisibCIViC DEID2177
NRAS Q61RColorectal CancerSensitivity/ResponseDactolisibCIViC DEID2186
PIK3CA AmplificationHer2-receptor Positive Breast CancerSensitivity/ResponseDactolisibCIViC DEID8269
PIK3CA AmplificationHer2-receptor Positive Breast CancerSensitivity/ResponseLapatinib + DactolisibCIViC DEID8271
PIK3CA AmplificationHer2-receptor Positive Breast CancerSensitivity/ResponseTrastuzumab + DactolisibCIViC DEID8272
PIK3CA AmplificationHer2-receptor Positive Breast CancerSensitivity/ResponseDactolisib + Lapatinib + TrastuzumabCIViC DEID8273
PIK3CA E545KHer2-receptor Positive Breast CancerSensitivity/ResponseTrastuzumab + DactolisibCIViC DEID8180
PIK3CA E545KHer2-receptor Positive Breast CancerSensitivity/ResponseDactolisib + Trastuzumab + LapatinibCIViC DEID8181
PIK3CA H1047RHead And Neck CancerSensitivity/ResponseCetuximab + DactolisibCIViC DEID1363
PIK3CA H1047RLung AdenocarcinomaSensitivity/ResponseDactolisibCIViC DEID1447
PIK3CA H1047RHer2-receptor Positive Breast CancerSensitivity/ResponseDactolisib + TrastuzumabCIViC DEID8182
PIK3CA MutationHead And Neck CancerSensitivity/ResponseDactolisibCIViC DEID1360

+11 more predictive associations (showing top 30 by level).

Pharmacology

Pharmacogenomics

No CPIC/DPWG dosing guideline or drug-level clinical/variant annotations in PharmGKB for this molecule.

Molecules sharing ≥1 of this drug’s curated primary targets, merged from two biobtree sources and ranked by shared-target count, then clinical phase: ChEMBL clinical-stage candidates (development phase ≥2) and PubChem drug-class bioactivity (approved / known drugs acting on the target). Deduplicated by drug name; the drug’s own salt forms are excluded. Note: for a drug with few primary targets a shared-target match can reflect off-target / promiscuous binding rather than the same therapeutic mechanism — the phase ordering surfaces bona-fide therapeutics first.

199 molecules share ≥1 primary target. Top 60 by shared-target count:

MoleculeSourceStatusShared targets
IdelalisibChEMBL + PubChemPhase 4 (approved)ATR, MTOR, PIK3CA, PIK3CD, PIK3CG
CrizotinibChEMBL + PubChemPhase 4 (approved)MTOR, PIK3CA, PIK3CD, PIK3CG
ALPELISIBChEMBLPhase 4 (approved)MTOR, PIK3CA, PIK3CD, PIK3CG
COPANLISIBChEMBLPhase 4 (approved)MTOR, PIK3CA, PIK3CD, PIK3CG
BUPARLISIBChEMBLPhase 3MTOR, PIK3CA, PIK3CD, PIK3CG
GEDATOLISIBChEMBLPhase 3MTOR, PIK3CA, PIK3CD, PIK3CG
TASELISIBChEMBLPhase 3MTOR, PIK3CA, PIK3CD, PIK3CG
APITOLISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
AZD-6482ChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
BGT-226 FREE BASEChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
BIMIRALISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
FIMEPINOSTATChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
IZORLISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
OMIPALISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
ONATASERTIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
PAXALISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
PF-04691502ChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
PICTILISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
SAMOTOLISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
SAPANISERTIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
SONOLISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
TG100-115ChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
VISTUSERTIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
VOXTALISIBChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
ZSTK-474ChEMBLPhase 2MTOR, PIK3CA, PIK3CD, PIK3CG
AfatinibPubChemApprovedMTOR, PIK3CA, PIK3CD, PIK3CG
PazopanibPubChemApprovedMTOR, PIK3CA, PIK3CD, PIK3CG
SelumetinibPubChemApprovedMTOR, PIK3CA, PIK3CD, PIK3CG
FedratinibChEMBL + PubChemPhase 4 (approved)ATR, PIK3CA, PIK3CG
INAVOLISIBChEMBL + PubChemPhase 4 (approved)PIK3CA, PIK3CD, PIK3CG
DASATINIBChEMBLPhase 4 (approved)MTOR, PIK3CA, PIK3CD
DUVELISIBChEMBLPhase 4 (approved)PIK3CA, PIK3CD, PIK3CG
LENIOLISIBChEMBLPhase 4 (approved)PIK3CA, PIK3CD, PIK3CG
SUNITINIBChEMBLPhase 4 (approved)PIK3CA, PIK3CD, PIK3CG
LESTAURTINIBChEMBLPhase 3PIK3CA, PIK3CD, PIK3CG
AMG-319ChEMBLPhase 2PIK3CA, PIK3CD, PIK3CG
BERZOSERTIBChEMBLPhase 2ATR, MTOR, PIK3CA
EGANELISIBChEMBLPhase 2PIK3CA, PIK3CD, PIK3CG
NEMIRALISIBChEMBLPhase 2PIK3CA, PIK3CD, PIK3CG
OSI-027ChEMBLPhase 2MTOR, PIK3CA, PIK3CG
PILARALISIBChEMBLPhase 2PIK3CA, PIK3CD, PIK3CG
ROGINOLISIBChEMBLPhase 2PIK3CA, PIK3CD, PIK3CG
SERABELISIBChEMBLPhase 2PIK3CA, PIK3CD, PIK3CG
GefitinibPubChemApprovedMTOR, PIK3CD, PIK3CG
UMBRALISIBChEMBLPhase 4 (approved)PIK3CD, PIK3CG
CERALASERTIBChEMBLPhase 3ATR, MTOR
EPIGALOCATECHIN GALLATEChEMBLPhase 3MTOR, PIK3CA
RESVERATROLChEMBLPhase 3MTOR, PIK3CA
ACALISIBChEMBLPhase 2PIK3CD, PIK3CG
AMDIZALISIBChEMBLPhase 2PIK3CD, PIK3CG
AZD-8154ChEMBLPhase 2PIK3CA, PIK3CD
BI-2536ChEMBLPhase 2PIK3CA, PIK3CD
CAMONSERTIBChEMBLPhase 2ATR, MTOR
CC-115ChEMBLPhase 2MTOR, PIK3CA
DEZAPELISIBChEMBLPhase 2PIK3CD, PIK3CG
QUISINOSTATChEMBLPhase 2PIK3CA, PIK3CD
RISOVALISIBChEMBLPhase 2PIK3CA, PIK3CD
SELETALISIBChEMBLPhase 2PIK3CD, PIK3CG
TENALISIBChEMBLPhase 2PIK3CD, PIK3CG
AMIODARONEChEMBLPhase 4 (approved)MTOR