Details of the Drug Combination

General Information of Drug Combination (ID: DCY0ZS3)

• Drug Combination Name: Probenecid + Chlorzoxazone
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Probenecid (DMMFWOJ): Small molecular drug
  Chlorzoxazone (DMCYVDT): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 3.53
  Bliss Independence Score: 3.53
  Loewe Additivity Score: 4.18
  LHighest Single Agent (HSA) Score: 4.21

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Probenecid

Disease Entry	ICD 11	Status	REF
Acute gonococcal cervicitis	N.A.	Approved	[2]
Gout	FA25	Approved	[3]
Hyperuricaemia	5C55.Y	Approved	[3]

Probenecid Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Solute carrier family 22 member 8 (SLC22A8)	TTTQR47	S22A8_HUMAN	Blocker	[6]

Probenecid Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Multidrug resistance-associated protein 2 (ABCC2)	DTFI42L	MRP2_HUMAN	Substrate	[7]
Organic anion transporting polypeptide 1A2 (SLCO1A2)	DTE2B1D	SO1A2_HUMAN	Substrate	[8]
Monocarboxylate transporter 6 (SLC16A5)	DT3I124	MOT6_HUMAN	Substrate	[9]

Probenecid Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[10]

Probenecid Interacts with 9 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Taste receptor type 2 member 38 (TAS2R38)	OTX5MM36	T2R38_HUMAN	Decreases Activity	[11]
Taste receptor type 2 member 43 (TAS2R43)	OT70V8MZ	T2R43_HUMAN	Decreases Activity	[11]
Solute carrier family 22 member 6 (SLC22A6)	OTKRCBVM	S22A6_HUMAN	Decreases Activity	[12]
Organic anion transporter 7 (SLC22A9)	OTO4BJCC	S22A9_HUMAN	Decreases Activity	[12]
Interleukin-8 (CXCL8)	OTS7T5VH	IL8_HUMAN	Increases Expression	[13]
C-C motif chemokine 2 (CCL2)	OTAD2HEL	CCL2_HUMAN	Increases Expression	[13]
Organic anion transporter 3 (SLC22A8)	OT8BY933	S22A8_HUMAN	Decreases Expression	[14]
Solute carrier family 22 member 12 (SLC22A12)	OT72ZAWS	S22AC_HUMAN	Affects Activity	[15]
Solute carrier family 22 member 11 (SLC22A11)	OTAJLNJZ	S22AB_HUMAN	Decreases Activity	[16]

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	[18]

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	[19]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[20]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[21]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[21]
Cytochrome P450 2E1 (CYP2E1)	DEVDYN7	CP2E1_HUMAN	Metabolism	[22]
Cytochrome P450 102A1 (cyp102)	DE4OGUF	CPXB_BACMB	Metabolism	[23]

Chlorzoxazone Interacts with 2 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	[24]
Arylamine N-acetyltransferase 2 (NAT2)	OTBPDQOY	ARY2_HUMAN	Affects Metabolism	[17]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966
• [2] Probenecid 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: 4357).
• [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] Carboxylic acid drug-induced DNA nicking in HEK293 cells expressing human UDP-glucuronosyltransferases: role of acyl glucuronide metabolites and glycation pathways. Chem Res Toxicol. 2007 Oct;20(10):1520-7. doi: 10.1021/tx700188x. Epub 2007 Sep 20.
• [6] Transport of organic anions across the basolateral membrane of proximal tubule cells. Rev Physiol Biochem Pharmacol. 2003;146:95-158.
• [7] MRP2 (ABCC2) transports taxanes and confers paclitaxel resistance and both processes are stimulated by probenecid. Int J Cancer. 2005 Sep 20;116(5):824-9.
• [8] Characterization of the efflux transport of 17beta-estradiol-D-17beta-glucuronide from the brain across the blood-brain barrier. J Pharmacol Exp Ther. 2001 Jul;298(1):316-22.
• [9] Quercetin, Morin, Luteolin, and Phloretin Are Dietary Flavonoid Inhibitors of Monocarboxylate Transporter 6. Mol Pharm. 2017 Sep 5;14(9):2930-2936.
• [10] Modulation of 3'-azido-3'-deoxythymidine catabolism by probenecid and acetaminophen in freshly isolated rat hepatocytes. Biochem Pharmacol. 1991 Sep 12;42(7):1475-80.
• [11] Probenecid inhibits the human bitter taste receptor TAS2R16 and suppresses bitter perception of salicin. PLoS One. 2011;6(5):e20123.
• [12] Inhibition of organic anion transporter (OAT) activity by cigarette smoke condensate. Toxicol In Vitro. 2017 Oct;44:27-35.
• [13] Evaluation and mechanistic analysis of the cytotoxicity of the acyl glucuronide of nonsteroidal anti-inflammatory drugs. Drug Metab Dispos. 2014 Jan;42(1):1-8. doi: 10.1124/dmd.113.054478. Epub 2013 Oct 8.
• [14] Targeting organic anion transporter 3 with probenecid as a novel anti-influenza a virus strategy. Antimicrob Agents Chemother. 2013 Jan;57(1):475-83. doi: 10.1128/AAC.01532-12. Epub 2012 Nov 5.
• [15] Clinical and molecular analysis of patients with renal hypouricemia in Japan-influence of URAT1 gene on urinary urate excretion. J Am Soc Nephrol. 2004 Jan;15(1):164-73. doi: 10.1097/01.asn.0000105320.04395.d0.
• [16] Neonicotinoid pesticides poorly interact with human drug transporters. J Biochem Mol Toxicol. 2019 Oct;33(10):e22379. doi: 10.1002/jbt.22379. Epub 2019 Jul 31.
• [17] 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.
• [18] Chlorzoxazone inhibits contraction of rat thoracic aorta. Eur J Pharmacol. 2006 Sep 18;545(2-3):161-6.
• [19] Summary of information on human CYP enzymes: human P450 metabolism data. Drug Metab Rev. 2002 Feb-May;34(1-2):83-448.
• [20] Inhibitory monoclonal antibodies to human cytochrome P450 1A2: analysis of phenacetin O-deethylation in human liver. Pharmacogenetics. 1998 Oct;8(5):375-82.
• [21] 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.
• [22] Trimethadione metabolism by human liver cytochrome P450: evidence for the involvement of CYP2E1. Xenobiotica. 1998 Nov;28(11):1041-7.
• [23] 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.
• [24] 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.