Details of the Drug Combination

General Information of Drug Combination (ID: DCDRCVD)

• Drug Combination Name: Tadalafil + Idarubicin
• Indication: Glioblastoma?; Status: Investigative [1]
• Component Drugs:
  Tadalafil (DMJZHT1): Small molecular drug
  Idarubicin (DMM0XGL): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: T98G
  Zero Interaction Potency (ZIP) Score: 14.33
  Bliss Independence Score: 14.33
  Loewe Additivity Score: 4.03
  LHighest Single Agent (HSA) Score: 4.03

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Tadalafil

Disease Entry	ICD 11	Status	REF
Benign prostatic hyperplasia	GA90	Approved	[2]
Erectile dysfunction	HA01.1	Approved	[3]
Plasma cell myeloma	2A83.1	Approved	[2]
Pulmonary hypertension	BB01	Approved	[2]
Priapism	N.A.	Investigative	[2]

Tadalafil Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Phosphodiesterase 5A (PDE5A)	TTJ0IQB	PDE5A_HUMAN	Inhibitor	[6]

Tadalafil 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]

Tadalafil Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[8]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[8]

Tadalafil Interacts with 1 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
cGMP-specific 3',5'-cyclic phosphodiesterase (PDE5A)	OTT8Q1AP	PDE5A_HUMAN	Decreases Activity	[9]

Indication(s) of Idarubicin

Disease Entry	ICD 11	Status	REF
Acute myelogenous leukaemia	2A41	Approved	[4]
Acute myeloid leukaemia	2A60	Approved	[5]
Adult acute monocytic leukemia	N.A.	Approved	[4]
Childhood acute megakaryoblastic leukemia	N.A.	Approved	[4]
Leukemia	N.A.	Approved	[4]

Idarubicin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
DNA topoisomerase II (TOP2)	TT0IHXV	TOP2A_HUMAN; TOP2B_HUMAN	Modulator	[11]

Idarubicin Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Multidrug resistance-associated protein 1 (ABCC1)	DTSYQGK	MRP1_HUMAN	Substrate	[12]
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[13]
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[13]

Idarubicin Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[14]
Cytochrome P450 2C9 (CYP2C9)	DE5IED8	CP2C9_HUMAN	Metabolism	[14]

Idarubicin Interacts with 9 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Estrogen receptor (ESR1)	OTKLU61J	ESR1_HUMAN	Decreases Activity	[10]
Heme oxygenase 1 (HMOX1)	OTC1W6UX	HMOX1_HUMAN	Increases Expression	[15]
Androgen receptor (AR)	OTUBKAZZ	ANDR_HUMAN	Increases Activity	[10]
Natriuretic peptides B (NPPB)	OTSN2IPY	ANFB_HUMAN	Increases Expression	[16]
Peroxisome proliferator-activated receptor gamma (PPARG)	OTHMARHO	PPARG_HUMAN	Decreases Activity	[10]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Activity	[17]
Peroxisome proliferator-activated receptor delta (PPARD)	OTI4WTOP	PPARD_HUMAN	Decreases Activity	[10]
Potassium voltage-gated channel subfamily H member 2 (KCNH2)	OTZX881H	KCNH2_HUMAN	Decreases Activity	[18]
Bile acid receptor (NR1H4)	OTWZLPTB	NR1H4_HUMAN	Decreases Activity	[10]

References

• [1] Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension.Hepatology. 2016 Jun;63(6):1977-86. doi: 10.1002/hep.28499. Epub 2016 Mar 31.
• [2] Tadalafil FDA Label
• [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: 7299).
• [4] Idarubicin FDA Label
• [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: 7083).
• [6] Pulmonary arterial hypertension: the most devastating vascular complication of systemic sclerosis. Rheumatology (Oxford). 2009 Jun;48 Suppl 3:iii25-31.
• [7] In Vitro P-Glycoprotein-Mediated Transport of Tadalafil: A Comparison with Sildenafil. Biol Pharm Bull. 2017;40(8):1314-1319.
• [8] Contribution of CYP3A isoforms to dealkylation of PDE5 inhibitors: a comparison between sildenafil N-demethylation and tadalafil demethylenation. Biol Pharm Bull. 2015;38(1):58-65.
• [9] Pharmacotherapy of erectile dysfunction: focus on cardiovascular safety. Expert Opin Drug Saf. 2005 May;4(3):531-40. doi: 10.1517/14740338.4.3.531.
• [10] Quantitative high-throughput profiling of environmental chemicals and drugs that modulate farnesoid X receptor. Sci Rep. 2014 Sep 26;4:6437. doi: 10.1038/srep06437.
• [11] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [12] Human intestinal transporter database: QSAR modeling and virtual profiling of drug uptake, efflux and interactions. Pharm Res. 2013 Apr;30(4):996-1007.
• [13] Amonafide L-malate is not a substrate for multidrug resistance proteins in secondary acute myeloid leukemia. Leukemia. 2008 Nov;22(11):2110-5.
• [14] In vitro evaluation of cytochrome P450-mediated drug interactions between cytarabine, idarubicin, itraconazole and caspofungin. Hematology. 2004 Jun;9(3):217-21.
• [15] A Quantitative Approach to Screen for Nephrotoxic Compounds In Vitro. J Am Soc Nephrol. 2016 Apr;27(4):1015-28. doi: 10.1681/ASN.2015010060. Epub 2015 Aug 10.
• [16] The use of biochemical markers in cardiotoxicity monitoring in patients treated for leukemia. Neoplasma. 2005;52(5):430-4.
• [17] The induction of apoptosis by daunorubicin and idarubicin in human trisomic and diabetic fibroblasts. Cell Mol Biol Lett. 2008;13(2):182-94. doi: 10.2478/s11658-007-0045-7. Epub 2008 Apr 10.
• [18] Refining the human iPSC-cardiomyocyte arrhythmic risk assessment model. Toxicol Sci. 2013 Dec;136(2):581-94. doi: 10.1093/toxsci/kft205. Epub 2013 Sep 19.