Details of the Drug Combination

General Information of Drug Combination (ID: DCH2166)

• Drug Combination Name: Olaparib + Alpelisib
• Indication: Ovarian Cancer; Status: Phase 3 [1]
• Component Drugs:
  Olaparib (DM8QB1D): Small molecular drug
  Alpelisib (DMEXMYK): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Olaparib

Disease Entry	ICD 11	Status	REF
Ovarian cancer	2C73	Approved	[2]
Pancreatic cancer	2C10	Phase 3	[3]
Prostate cancer	2C82.0	Phase 3	[3]

Olaparib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Poly [ADP-ribose] polymerase (PARP)	TTEBCY8	NOUNIPROTAC	Modulator	[6]

Olaparib Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[7]

Olaparib Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[8]

Olaparib Interacts with 20 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Serine/threonine-protein kinase Chk1 (CHEK1)	OTTTI622	CHK1_HUMAN	Increases Phosphorylation	[9]
Tumor necrosis factor receptor superfamily member 10B (TNFRSF10B)	OTA1CPBV	TR10B_HUMAN	Increases Expression	[9]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[9]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Increases Phosphorylation	[9]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Decreases Activity	[10]
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Decreases Expression	[9]
Proliferating cell nuclear antigen (PCNA)	OTHZ1RIA	PCNA_HUMAN	Decreases Expression	[11]
Histone H2AX (H2AX)	OT18UX57	H2AX_HUMAN	Increases Expression	[11]
DNA damage-inducible transcript 3 protein (DDIT3)	OTI8YKKE	DDIT3_HUMAN	Increases Expression	[9]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[11]
Proliferation marker protein Ki-67 (MKI67)	OTA8N1QI	KI67_HUMAN	Decreases Expression	[11]
Apoptosis regulator BAX (BAX)	OTAW0V4V	BAX_HUMAN	Increases Expression	[11]
NAD-dependent protein deacetylase sirtuin-1 (SIRT1)	OTAYZMOY	SIR1_HUMAN	Increases Expression	[12]
Bromodomain-containing protein 4 (BRD4)	OT2Y2TCW	BRD4_HUMAN	Affects Response To Substance	[11]
Breast cancer type 1 susceptibility protein (BRCA1)	OT5BN6VH	BRCA1_HUMAN	Affects Response To Substance	[13]
DNA mismatch repair protein Msh3 (MSH3)	OTD3YPVL	MSH3_HUMAN	Decreases Response To Substance	[14]
Fumarate hydratase, mitochondrial (FH)	OTEQWU6Q	FUMH_HUMAN	Increases Response To Substance	[15]
Breast cancer type 2 susceptibility protein (BRCA2)	OTF1XSV1	BRCA2_HUMAN	Affects Response To Substance	[13]
Succinate dehydrogenase iron-sulfur subunit, mitochondrial (SDHB)	OTRE1M1T	SDHB_HUMAN	Increases Response To Substance	[15]
Ubiquitin carboxyl-terminal hydrolase BAP1 (BAP1)	OTS8G0EN	BAP1_HUMAN	Increases Response To Substance	[16]

Indication(s) of Alpelisib

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Approved	[4]
Solid tumour/cancer	2A00-2F9Z	Phase 2	[5]

Alpelisib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
PI3-kinase alpha (PIK3CA)	TTEUNMR	PK3CA_HUMAN	Inhibitor	[4]

Alpelisib Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[17]

References

• [1] ClinicalTrials.gov (NCT04729387) Alpelisib Plus Olaparib in Platinum-resistant/Refractory, High-grade Serous Ovarian Cancer, With no Germline BRCA Mutation Detected
• [2] 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: 7519).
• [3] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [4] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health Human Services. 2019
• [5] 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: 7955).
• [6] 2014 FDA drug approvals. Nat Rev Drug Discov. 2015 Feb;14(2):77-81.
• [7] Overexpressed ABCB1 Induces Olaparib-Taxane Cross-Resistance in Advanced Prostate Cancer. Transl Oncol. 2019 May 7;12(7):871-878.
• [8] Extent of radiosensitization by the PARP inhibitor olaparib depends on its dose, the radiation dose and the integrity of the homologous recombination pathway of tumor cells. Radiother Oncol. 2015 Sep;116(3):358-65.
• [9] PARP inhibition restores extrinsic apoptotic sensitivity in glioblastoma. PLoS One. 2014 Dec 22;9(12):e114583. doi: 10.1371/journal.pone.0114583. eCollection 2014.
• [10] Structural Basis for Potency and Promiscuity in Poly(ADP-ribose) Polymerase (PARP) and Tankyrase Inhibitors. J Med Chem. 2017 Feb 23;60(4):1262-1271. doi: 10.1021/acs.jmedchem.6b00990. Epub 2016 Dec 21.
• [11] The BET inhibitor INCB054329 reduces homologous recombination efficiency and augments PARP inhibitor activity in ovarian cancer. Gynecol Oncol. 2018 Jun;149(3):575-584. doi: 10.1016/j.ygyno.2018.03.049. Epub 2018 Mar 20.
• [12] Iron overload inhibits cell proliferation and promotes autophagy via PARP1/SIRT1 signaling in endometriosis and adenomyosis. Toxicology. 2022 Jan 15;465:153050. doi: 10.1016/j.tox.2021.153050. Epub 2021 Nov 23.
• [13] Identification of human triple-negative breast cancer subtypes and preclinical models for selection of targeted therapies. J Clin Invest. 2011 Jul;121(7):2750-67. doi: 10.1172/JCI45014.
• [14] MSH3 mediates sensitization of colorectal cancer cells to cisplatin, oxaliplatin, and a poly(ADP-ribose) polymerase inhibitor. J Biol Chem. 2011 Apr 8;286(14):12157-65. doi: 10.1074/jbc.M110.198804. Epub 2011 Feb 1.
• [15] Krebs-cycle-deficient hereditary cancer syndromes are defined by defects in homologous-recombination DNA repair. Nat Genet. 2018 Aug;50(8):1086-1092. doi: 10.1038/s41588-018-0170-4. Epub 2018 Jul 16.
• [16] BAP1 loss defines a new class of renal cell carcinoma. Nat Genet. 2012 Jun 10;44(7):751-9. doi: 10.1038/ng.2323.
• [17] Comparison of 19F NMR and 14C measurements for the assessment of ADME of BYL719 (Alpelisib) in humans. Drug Metab Dispos. 2017 Aug;45(8):900-907.