Details of the Drug Combination

General Information of Drug Combination (ID: DC36ODQ)

• Drug Combination Name: Iloprost + Chlorzoxazone
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Iloprost (DMVPZBE): Small molecular drug
  Chlorzoxazone (DMCYVDT): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 2.21
  Bliss Independence Score: 2.21
  Loewe Additivity Score: 2.82
  LHighest Single Agent (HSA) Score: 2.86

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Iloprost

Disease Entry	ICD 11	Status	REF
Pulmonary arterial hypertension	BB01.0	Approved	[2]
Pulmonary hypertension	BB01	Approved	[3]
Systemic sclerosis	4A42	Approved	[3]

Iloprost Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Prostaglandin E2 receptor EP2 (PTGER2)	TT1ZAVI	PE2R2_HUMAN	Agonist	[5]

Iloprost Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic anion transporting polypeptide 2A1 (SLCO2A1)	DT021JD	SO2A1_HUMAN	Substrate	[6]
Organic anion transporting polypeptide 3A1 (SLCO3A1)	DTVNRXW	SO3A1_HUMAN	Substrate	[7]

Iloprost Interacts with 8 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Angiopoietin-2 (ANGPT2)	OTEQK65P	ANGP2_HUMAN	Increases Expression	[8]
Interleukin-1 beta (IL1B)	OT0DWXXB	IL1B_HUMAN	Decreases Expression	[9]
Interleukin-6 (IL6)	OTUOSCCU	IL6_HUMAN	Decreases Expression	[9]
Fibroblast growth factor 2 (FGF2)	OT7YUJ9F	FGF2_HUMAN	Increases Expression	[8]
L-selectin (SELL)	OT6RAJZR	LYAM1_HUMAN	Decreases Expression	[9]
DNA-binding protein inhibitor ID-1 (ID1)	OTKGNZN5	ID1_HUMAN	Increases Expression	[10]
Prostacyclin receptor (PTGIR)	OTWTABYM	PI2R_HUMAN	Affects Binding	[11]
Angiopoietin-1 (ANGPT1)	OTVZ1NG3	ANGP1_HUMAN	Increases Expression	[8]

Indication(s) of Chlorzoxazone

Disease Entry	ICD 11	Status	REF
Acute pain	MG31	Approved	[4]

Chlorzoxazone Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Calcium-activated potassium channel (KCN)	TTMNI76	NOUNIPROTAC	Activator	[13]

Chlorzoxazone Interacts with 6 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[14]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[15]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[16]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[16]
Cytochrome P450 2E1 (CYP2E1)	DEVDYN7	CP2E1_HUMAN	Metabolism	[17]
Cytochrome P450 102A1 (cyp102)	DE4OGUF	CPXB_BACMB	Metabolism	[18]

Chlorzoxazone Interacts with 3 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Intermediate conductance calcium-activated potassium channel protein 4 (KCNN4)	OTQKQ346	KCNN4_HUMAN	Increases Activity	[19]
Cytochrome P450 1B1 (CYP1B1)	OTYXFLSD	CP1B1_HUMAN	Decreases Activity	[20]
Arylamine N-acetyltransferase 2 (NAT2)	OTBPDQOY	ARY2_HUMAN	Affects Metabolism	[12]

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] 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: 1966).
• [3] Iloprost FDA Label
• [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: 2322).
• [5] Exploration of prostanoid receptor subtype regulating estradiol and prostaglandin E2 induction of spinophilin in developing preoptic area neurons. Neuroscience. 2007 May 25;146(3):1117-27.
• [6] Cloning, in vitro expression, and tissue distribution of a human prostaglandin transporter cDNA(hPGT). J Clin Invest. 1996 Sep 1;98(5):1142-9.
• [7] Molecular characterization of human and rat organic anion transporter OATP-D. Am J Physiol Renal Physiol. 2003 Dec;285(6):F1188-97.
• [8] Prostacyclin receptor up-regulates the expression of angiogenic genes in human endometrium via cross talk with epidermal growth factor Receptor and the extracellular signaling receptor kinase 1/2 pathway. Endocrinology. 2006 Apr;147(4):1697-705. doi: 10.1210/en.2005-1073. Epub 2005 Dec 22.
• [9] The response of skin perfusion and of rheological and immunological variables to intravenous prostanoid administration in Raynaud's phenomenon secondary to collagenosis. Vasa. 2005 Nov;34(4):243-9. doi: 10.1024/0301-1526.34.4.243.
• [10] Smad-dependent and smad-independent induction of id1 by prostacyclin analogues inhibits proliferation of pulmonary artery smooth muscle cells in vitro and in vivo. Circ Res. 2010 Jul 23;107(2):252-62. doi: 10.1161/CIRCRESAHA.109.209940. Epub 2010 Jun 3.
• [11] Investigation of a functional requirement for isoprenylation by the human prostacyclin receptor. Eur J Biochem. 2002 Mar;269(6):1714-25. doi: 10.1046/j.1432-1327.2002.02817.x.
• [12] Effects of cigarette smoking and carbon monoxide on chlorzoxazone and caffeine metabolism. Clin Pharmacol Ther. 2003 Nov;74(5):468-74. doi: 10.1016/j.clpt.2003.07.001.
• [13] Chlorzoxazone inhibits contraction of rat thoracic aorta. Eur J Pharmacol. 2006 Sep 18;545(2-3):161-6.
• [14] Summary of information on human CYP enzymes: human P450 metabolism data. Drug Metab Rev. 2002 Feb-May;34(1-2):83-448.
• [15] Inhibitory monoclonal antibodies to human cytochrome P450 1A2: analysis of phenacetin O-deethylation in human liver. Pharmacogenetics. 1998 Oct;8(5):375-82.
• [16] Prediction of human liver microsomal oxidations of 7-ethoxycoumarin and chlorzoxazone with kinetic parameters of recombinant cytochrome P-450 enzymes. Drug Metab Dispos. 1999 Nov;27(11):1274-80.
• [17] Trimethadione metabolism by human liver cytochrome P450: evidence for the involvement of CYP2E1. Xenobiotica. 1998 Nov;28(11):1041-7.
• [18] Wild-type CYP102A1 as a biocatalyst: turnover of drugs usually metabolised by human liver enzymes. J Biol Inorg Chem. 2007 Mar;12(3):313-23.
• [19] Functional and molecular identification of intermediate-conductance Ca(2+)-activated K(+) channels in breast cancer cells: association with cell cycle progression. Am J Physiol Cell Physiol. 2004 Jul;287(1):C125-34. doi: 10.1152/ajpcell.00488.2003. Epub 2004 Feb 25.
• [20] Association of CYP1A1 and CYP1B1 inhibition in in vitro assays with drug-induced liver injury. J Toxicol Sci. 2021;46(4):167-176. doi: 10.2131/jts.46.167.