Details of the Drug Combination

General Information of Drug Combination (ID: DC4U3JS)

• Drug Combination Name: Disopyramide + Lumefantrine
• Indication: Hepatoblastoma; Status: Investigative [1]
• Component Drugs:
  Disopyramide (DM5SYZP): Small molecular drug
  Lumefantrine (DM29GAD): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: HB3
  Zero Interaction Potency (ZIP) Score: 4.797
  Bliss Independence Score: 4.696
  Loewe Additivity Score: 5.006
  LHighest Single Agent (HSA) Score: 8.118

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Disopyramide

Disease Entry	ICD 11	Status	REF
Long QT syndrome	BC65.0	Approved	[2]
Ventricular arrhythmias	BC71	Approved	[3]
Urinary incontinence	MF50.2	Withdrawn from market	[3]

Disopyramide Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Voltage-gated sodium channel alpha Nav1.5 (SCN5A)	TTZOVE0	SCN5A_HUMAN	Blocker	[5]

Disopyramide Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic cation transporter 1 (SLC22A1)	DTT79CX	S22A1_HUMAN	Substrate	[6]

Disopyramide Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[7]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[7]

Disopyramide Interacts with 5 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Sodium channel protein type 5 subunit alpha (SCN5A)	OTGYZWR6	SCN5A_HUMAN	Increases ADR	[8]
Acid ceramidase (ASAH1)	OT1DNGXL	ASAH1_HUMAN	Increases Expression	[9]
Nuclear receptor subfamily 0 group B member 2 (NR0B2)	OT7UVICX	NR0B2_HUMAN	Decreases Expression	[9]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Activity	[10]
Alpha-1-acid glycoprotein 2 (ORM2)	OTRJGZP8	A1AG2_HUMAN	Affects Binding	[11]

Indication(s) of Lumefantrine

Disease Entry	ICD 11	Status	REF
Malaria	1F40-1F45	Approved	[4]

Lumefantrine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Sodium pump subunit alpha-1 (ATP1A1)	TTWK8D0	AT1A1_HUMAN	Binder	[12]

Lumefantrine Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[13]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125976
• [2] Disopyramide 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: 7167).
• [4] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [5] Effect of sodium channel blockers on ST segment, QRS duration, and corrected QT interval in patients with Brugada syndrome. J Cardiovasc Electrophysiol. 2000 Dec;11(12):1320-9.
• [6] Identification of novel substrates and structure-activity relationship of cellular uptake mediated by human organic cation transporters 1 and 2. J Med Chem. 2013 Sep 26;56(18):7232-42.
• [7] Species difference in stereoselective involvement of CYP3A in the mono-N-dealkylation of disopyramide. Xenobiotica. 2001 Feb;31(2):73-83.
• [8] 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.
• [9] A toxicogenomic approach to drug-induced phospholipidosis: analysis of its induction mechanism and establishment of a novel in vitro screening system. Toxicol Sci. 2005 Feb;83(2):282-92.
• [10] Screening of a chemical library reveals novel PXR-activating pharmacologic compounds. Toxicol Lett. 2015 Jan 5;232(1):193-202. doi: 10.1016/j.toxlet.2014.10.009. Epub 2014 Oct 16.
• [11] Binding of disopyramide, methadone, dipyridamole, chlorpromazine, lignocaine and progesterone to the two main genetic variants of human alpha 1-acid glycoprotein: evidence for drug-binding differences between the variants and for the presence of two separate drug-binding sites on alpha 1-acid glycoprotein. Pharmacogenetics. 1996 Oct;6(5):403-15. doi: 10.1097/00008571-199610000-00004.
• [12] The fight against drug-resistant malaria: novel plasmodial targets and antimalarial drugs. Curr Med Chem. 2008;15(2):161-71.
• [13] Development of a paediatric physiologically based pharmacokinetic model to assess the impact of drug-drug interactions in tuberculosis co-infected malaria subjects: A case study with artemether-lumefantrine and the CYP3A4-inducer rifampicin. Eur J Pharm Sci. 2017 Aug 30;106:20-33.