Details of the Drug Combination

General Information of Drug Combination (ID: DCIFZAP)

• Drug Combination Name: BIBW 2992 + Buparlisib
• Indication: Diffuse intrinsic pontine glioma; Status: Investigative [1]
• Component Drugs:
  BIBW 2992 (DMTKD7Q): Small molecular drug
  Buparlisib (DM1WEHC): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: DIPG25
  Zero Interaction Potency (ZIP) Score: 14.751
  Bliss Independence Score: 14.887
  Loewe Additivity Score: 6.1
  LHighest Single Agent (HSA) Score: 10.391

Molecular Interaction Atlas of This Drug Combination

Indication(s) of BIBW 2992

Disease Entry	ICD 11	Status	REF
Non-small-cell lung cancer	2C25.Y	Approved	[2]

BIBW 2992 Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Erbb2 tyrosine kinase receptor (HER2)	TT6EO5L	ERBB2_HUMAN	Inhibitor	[4]
Epidermal growth factor receptor (EGFR)	TTGKNB4	EGFR_HUMAN	Inhibitor	[4]

BIBW 2992 Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[5]
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[5]

BIBW 2992 Interacts with 6 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Epidermal growth factor receptor (EGFR)	OTAPLO1S	EGFR_HUMAN	Decreases Activity	[6]
Inhibitor of nuclear factor kappa-B kinase subunit beta (IKBKB)	OT9RDS3H	IKKB_HUMAN	Decreases Expression	[7]
Ras GTPase-activating-like protein IQGAP1 (IQGAP1)	OTZRWTGA	IQGA1_HUMAN	Decreases Phosphorylation	[8]
Protein SET (SET)	OTGYYQJO	SET_HUMAN	Affects Localization	[9]
POU domain, class 5, transcription factor 1 (POU5F1)	OTDHHN7O	PO5F1_HUMAN	Decreases Expression	[10]
Calmodulin-1 (CALM2)	OTNYA92F	CALM1_HUMAN	Affects Response To Substance	[11]

Indication(s) of Buparlisib

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Phase 3	[3]

Buparlisib Interacts with 4 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
PI3-kinase beta (PIK3CB)	TTTHBCA	PK3CB_HUMAN	Inhibitor	[13]
PI3-kinase delta (PIK3CD)	TTGBPJE	PK3CD_HUMAN	Inhibitor	[13]
PI3-kinase alpha (PIK3CA)	TTEUNMR	PK3CA_HUMAN	Inhibitor	[13]
PI3-kinase gamma (PIK3CG)	TTHBTOP	PK3CG_HUMAN	Inhibitor	[13]

Buparlisib Interacts with 18 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Telomerase reverse transcriptase (TERT)	OT085VVA	TERT_HUMAN	Decreases Expression	[12]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[14]
Forkhead box protein O3 (FOXO3)	OTHXQG4P	FOXO3_HUMAN	Increases Expression	[14]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[15]
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Decreases Expression	[12]
Proto-oncogene tyrosine-protein kinase Src (SRC)	OTETYX40	SRC_HUMAN	Increases Phosphorylation	[15]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Increases Phosphorylation	[15]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Increases Phosphorylation	[15]
Serine/threonine-protein kinase mTOR (MTOR)	OTHH8KU7	MTOR_HUMAN	Increases Phosphorylation	[15]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Activity	[12]
Mitogen-activated protein kinase 8 (MAPK8)	OTEREYS5	MK08_HUMAN	Increases Phosphorylation	[15]
Small ribosomal subunit protein eS6 (RPS6)	OTT4D1LN	RS6_HUMAN	Decreases Phosphorylation	[16]
Induced myeloid leukemia cell differentiation protein Mcl-1 (MCL1)	OT2YYI1A	MCL1_HUMAN	Decreases Expression	[12]
Baculoviral IAP repeat-containing protein 3 (BIRC3)	OT3E95KB	BIRC3_HUMAN	Decreases Expression	[12]
Baculoviral IAP repeat-containing protein 2 (BIRC2)	OTFXFREP	BIRC2_HUMAN	Decreases Expression	[12]
Bcl2-associated agonist of cell death (BAD)	OT63ERYM	BAD_HUMAN	Increases Expression	[12]
NAD-dependent protein deacetylase sirtuin-1 (SIRT1)	OTAYZMOY	SIR1_HUMAN	Decreases Expression	[12]
RAC-alpha serine/threonine-protein kinase (AKT1)	OT8H2YY7	AKT1_HUMAN	Decreases Response To Substance	[17]

References

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• [3] URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 7878).
• [4] Boehringer Ingelheim. Product Development Pipeline. June 2 2009.
• [5] Breast cancer resistance protein (BCRP/ABCG2) and P-glycoprotein (P-gp/ABCB1) transport afatinib and restrict its oral availability and brain accumulation. Pharmacol Res. 2017 Jun;120:43-50.
• [6] Cysteine mapping in conformationally distinct kinase nucleotide binding sites: application to the design of selective covalent inhibitors. J Med Chem. 2011 Mar 10;54(5):1347-55. doi: 10.1021/jm101396q. Epub 2011 Feb 15.
• [7] Irreversible EGFR inhibitor EKB-569 targets low-LET -radiation-triggered rel orchestration and potentiates cell death in squamous cell carcinoma. PLoS One. 2011;6(12):e29705. doi: 10.1371/journal.pone.0029705. Epub 2011 Dec 29.
• [8] Tyrosine phosphorylation of the scaffold protein IQGAP1 in the MET pathway alters function. J Biol Chem. 2020 Dec 25;295(52):18105-18121. doi: 10.1074/jbc.RA120.015891. Epub 2020 Oct 21.
• [9] Oncoprotein SET dynamically regulates cellular stress response through nucleocytoplasmic transport in breast cancer. Cell Biol Toxicol. 2023 Aug;39(4):1795-1814. doi: 10.1007/s10565-022-09784-4. Epub 2022 Dec 19.
• [10] YM155 as an inhibitor of cancer stemness simultaneously inhibits autophosphorylation of epidermal growth factor receptor and G9a-mediated stemness in lung cancer cells. PLoS One. 2017 Aug 7;12(8):e0182149. doi: 10.1371/journal.pone.0182149. eCollection 2017.
• [11] Knockdown of CALM2 increases the sensitivity to afatinib in HER2-amplified gastric cancer cells by regulating the Akt/FoxO3a/Puma axis. Toxicol In Vitro. 2023 Mar;87:105531. doi: 10.1016/j.tiv.2022.105531. Epub 2022 Nov 29.
• [12] Inhibition of PI3K signaling pathway enhances the chemosensitivity of APL cells to ATO: Proposing novel therapeutic potential for BKM120. Eur J Pharmacol. 2018 Dec 15;841:10-18. doi: 10.1016/j.ejphar.2018.10.007. Epub 2018 Oct 11.
• [13] Targeting the phosphoinositide 3-kinase pathway in cancer. Nat Rev Drug Discov. 2009 Aug;8(8):627-44.
• [14] Inhibition of PI3K pathway using BKM120 intensified the chemo-sensitivity of breast cancer cells to arsenic trioxide (ATO). Int J Biochem Cell Biol. 2019 Nov;116:105615. doi: 10.1016/j.biocel.2019.105615. Epub 2019 Sep 17.
• [15] Combination PI3K/MEK inhibition promotes tumor apoptosis and regression in PIK3CA wild-type, KRAS mutant colorectal cancer. Cancer Lett. 2014 Jun 1;347(2):204-11. doi: 10.1016/j.canlet.2014.02.018. Epub 2014 Feb 24.
• [16] The dual PI3K/mTOR inhibitor NVP-BEZ235 and chloroquine synergize to trigger apoptosis via mitochondrial-lysosomal cross-talk. Int J Cancer. 2013 Jun 1;132(11):2682-93. doi: 10.1002/ijc.27935. Epub 2012 Dec 4.
• [17] Characterization of the mechanism of action of the pan class I PI3K inhibitor NVP-BKM120 across a broad range of concentrations. Mol Cancer Ther. 2012 Aug;11(8):1747-57. doi: 10.1158/1535-7163.MCT-11-1021. Epub 2012 May 31.