Details of the Drug Combination

General Information of Drug Combination (ID: DC4XDZ8)

• Drug Combination Name: Cilostazol + Itraconazole
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Cilostazol (DMZMSCT): Small molecular drug
  Itraconazole (DMCR1MV): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 62.57
  Bliss Independence Score: 62.57
  Loewe Additivity Score: 77.7
  LHighest Single Agent (HSA) Score: 77.7

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Cilostazol

Disease Entry	ICD 11	Status	REF
Intermittent claudication	BD40.00	Approved	[2]

Cilostazol Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Phosphodiesterase 3 (PDE3)	TTZCG4L	NOUNIPROTAC	Modulator	[5]
Phosphodiesterase 3A (PDE3A)	TT06AWU	PDE3A_HUMAN	Inhibitor	[6]

Cilostazol Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[7]
Organic anion transporter 3 (SLC22A8)	DTVP67E	S22A8_HUMAN	Substrate	[8]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[7]

Cilostazol Interacts with 6 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[9]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[9]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[9]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[9]
Cytochrome P450 3A7 (CYP3A7)	DERD86B	CP3A7_HUMAN	Metabolism	[9]
Mephenytoin 4-hydroxylase (CYP2C19)	DEGTFWK	CP2CJ_HUMAN	Metabolism	[9]

Cilostazol Interacts with 3 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Apoptosis-inducing factor 1, mitochondrial (AIFM1)	OTKPWB7Q	AIFM1_HUMAN	Increases Localization	[10]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[11]
Transcription factor E2F1 (E2F1)	OTLKYBBC	E2F1_HUMAN	Decreases Expression	[12]

Indication(s) of Itraconazole

Disease Entry	ICD 11	Status	REF
Aspergillosis	1F20	Approved	[3]
Blastomycosis	1F22	Approved	[3]
Fungal infection	1F29-1F2F	Approved	[4]
Fusariosis	N.A.	Approved	[3]
Histoplasmosis	N.A.	Approved	[3]
Invasive candidiasis	1F23	Approved	[3]
Mycoses	1F2Z	Approved	[3]
Candidemia	1F23.3Y	Investigative	[3]
Esophageal candidiasis	N.A.	Investigative	[3]

Itraconazole Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Hedgehog signaling pathway (HS pathway)	TT4LXBC	NOUNIPROTAC	Inhibitor	[13]
Candida Cytochrome P450 51 (Candi ERG11)	TTTSOUD	CP51_CANAL	Modulator	[5]

Itraconazole Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[14]

Itraconazole Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[15]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[16]

Itraconazole Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Decreases Activity	[17]
1,25-dihydroxyvitamin D(3) 24-hydroxylase, mitochondrial (CYP24A1)	OTG2T749	CP24A_HUMAN	Decreases Activity	[18]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Expression	[19]
Bile salt export pump (ABCB11)	OTRU7THO	ABCBB_HUMAN	Decreases Activity	[20]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966
• [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: 7148).
• [3] Itraconazole FDA Label
• [4] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (ANDA) 076104.
• [5] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [6] A new generation of phosphodiesterase inhibitors: multiple molecular forms of phosphodiesterase and the potential for drug selectivity. J Med Chem. 1985 May;28(5):537-45.
• [7] Organic Anion-Transporting Polypeptide and Efflux Transporter-Mediated Hepatic Uptake and Biliary Excretion of Cilostazol and Its Metabolites in Rats and Humans. J Pharm Sci. 2017 Sep;106(9):2515-2523.
• [8] Aspirin and probenecid inhibit organic anion transporter 3-mediated renal uptake of cilostazol and probenecid induces metabolism of cilostazol in the rat. Drug Metab Dispos. 2014 Jun;42(6):996-1007.
• [9] Effects of CYP3A inhibition on the metabolism of cilostazol. Clin Pharmacokinet. 1999;37 Suppl 2:61-8.
• [10] Cilostazol enhances apoptosis of synovial cells from rheumatoid arthritis patients with inhibition of cytokine formation via Nrf2-linked heme oxygenase 1 induction. Arthritis Rheum. 2010 Mar;62(3):732-41. doi: 10.1002/art.27291.
• [11] Cyclic AMP inhibited proliferation of human aortic vascular smooth muscle cells, accompanied by induction of p53 and p21. Hypertension. 2000 Jan;35(1 Pt 2):237-43. doi: 10.1161/01.hyp.35.1.237.
• [12] Cilostazol inhibits vascular smooth muscle cell growth by downregulation of the transcription factor E2F. Hypertension. 2005 Apr;45(4):552-6. doi: 10.1161/01.HYP.0000158263.64320.eb. Epub 2005 Feb 21.
• [13] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [14] Mammalian drug efflux transporters of the ATP binding cassette (ABC) family in multidrug resistance: A review of the past decade. Cancer Lett. 2016 Jan 1;370(1):153-64.
• [15] Effects of itraconazole and tandospirone on the pharmacokinetics of perospirone. Ther Drug Monit. 2006 Feb;28(1):73-5.
• [16] Investigation into UDP-glucuronosyltransferase (UGT) enzyme kinetics of imidazole- and triazole-containing antifungal drugs in human liver microsomes and recombinant UGT enzymes. Drug Metab Dispos. 2010 Jun;38(6):923-9.
• [17] Clinical pharmacokinetic monitoring of itraconazole is warranted in only a subset of patients. Ther Drug Monit. 2005 Jun;27(3):322-33. doi: 10.1097/01.ftd.0000150135.22645.ea.
• [18] The novel azole R126638 is a selective inhibitor of ergosterol synthesis in Candida albicans, Trichophyton spp., and Microsporum canis. Antimicrob Agents Chemother. 2004 Sep;48(9):3272-8.
• [19] Azole antimycotics differentially affect rifampicin-induced pregnane X receptor-mediated CYP3A4 gene expression. Drug Metab Dispos. 2008 Feb;36(2):339-48.
• [20] Interference with bile salt export pump function is a susceptibility factor for human liver injury in drug development. Toxicol Sci. 2010 Dec; 118(2):485-500.