Details of the Drug Combination

General Information of Drug Combination (ID: DC4U7EG)

• Drug Combination Name: Olaparib + Anastrozole
• Indication: Solid Tumours; Status: Phase 1 [1]
• Component Drugs:
  Olaparib (DM8QB1D): Small molecular drug
  Anastrozole (DMNP60F): 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 Anastrozole

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Approved	[4]
Estrogen-receptor positive breast cancer	N.A.	Approved	[5]
Obesity	5B81	Approved	[5]

Anastrozole Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	TTSZLWK	CP19A_HUMAN	Inhibitor	[17]

Anastrozole Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Putative sodium-coupled neutral amino acid transporter 7 (SLC38A7)	DT2EGUN	S38A7_HUMAN	Substrate	[18]

Anastrozole Interacts with 6 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[19]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[19]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[19]
Cytochrome P450 2C8 (CYP2C8)	DES5XRU	CP2C8_HUMAN	Metabolism	[19]
UDP-glucuronosyltransferase 2B7 (UGT2B7)	DEB3CV1	UD2B7_HUMAN	Metabolism	[19]
UDP-glucuronosyltransferase 1A3 (UGT1A3)	DEF2WXN	UD13_HUMAN	Metabolism	[19]

Anastrozole Interacts with 6 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Adenylate kinase isoenzyme 1 (AK1)	OT614AR3	KAD1_HUMAN	Increases ADR	[20]
Progesterone receptor (PGR)	OT0FZ3QE	PRGR_HUMAN	Decreases Expression	[21]
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[22]
NADPH--cytochrome P450 reductase (POR)	OTVIDOCH	NCPR_HUMAN	Decreases Activity	[23]
Gap junction alpha-1 protein (GJA1)	OTT94MKL	CXA1_HUMAN	Decreases Expression	[24]
Proliferation marker protein Ki-67 (MKI67)	OTA8N1QI	KI67_HUMAN	Decreases Expression	[25]

References

• [1] ClinicalTrials.gov (NCT02093351) To Assess Safety and Effect of Olaparib on the Pharmacokinetics of Anastrozole, Letrozole & Tamoxifen, and Their Effect on Olaparib, in Patients With Advanced Solid Cancer
• [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] 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: 5137).
• [5] Anastrozole FDA Label
• [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] Effective aromatase inhibition by anastrozole in a patient with gonadotropin-independent precocious puberty in McCune-Albright syndrome. J Pediatr Endocrinol Metab. 2002;15 Suppl 3:945-8.
• [18] Anastrozole Aromatase Inhibitor Plasma Drug Concentration Genome-Wide Association Study: Functional Epistatic Interaction Between SLC38A7 and ALPPL2. Clin Pharmacol Ther. 2019 Jan 16.
• [19] In vitro and in vivo oxidative metabolism and glucuronidation of anastrozole. Br J Clin Pharmacol. 2010 Dec;70(6):854-69.
• [20] ADReCS-Target: target profiles for aiding drug safety research and application. Nucleic Acids Res. 2018 Jan 4;46(D1):D911-D917. doi: 10.1093/nar/gkx899.
• [21] Aromatase inhibitors: cellular and molecular effects. J Steroid Biochem Mol Biol. 2005 May;95(1-5):83-9. doi: 10.1016/j.jsbmb.2005.04.010.
• [22] Aromatase inhibition: translation into a successful therapeutic approach. Clin Cancer Res. 2005 Apr 15;11(8):2809-21. doi: 10.1158/1078-0432.CCR-04-2187.
• [23] Assessment of Five Pesticides as Endocrine-Disrupting Chemicals: Effects on Estrogen Receptors and Aromatase. Int J Environ Res Public Health. 2022 Feb 10;19(4):1959. doi: 10.3390/ijerph19041959.
• [24] Inhibition of estrogen receptor reduces connexin 43 expression in breast cancers. Toxicol Appl Pharmacol. 2018 Jan 1;338:182-190. doi: 10.1016/j.taap.2017.11.020. Epub 2017 Nov 24.
• [25] Biomarker changes during neoadjuvant anastrozole, tamoxifen, or the combination: influence of hormonal status and HER-2 in breast cancer--a study from the IMPACT trialists. J Clin Oncol. 2005 Apr 10;23(11):2477-92. doi: 10.1200/JCO.2005.07.559. Epub 2005 Mar 14.