Details of the Drug Combination

General Information of Drug Combination (ID: DC7CKJI)

• Drug Combination Name: Tacrine + Mefloquine
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Tacrine (DM51FY6): Small molecular drug
  Mefloquine (DMWT905): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 6.92
  Bliss Independence Score: 6.92
  Loewe Additivity Score: 7.82
  LHighest Single Agent (HSA) Score: 7.84

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Tacrine

Disease Entry	ICD 11	Status	REF
Alzheimer disease	8A20	Approved	[2]

Tacrine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Acetylcholinesterase (AChE)	TT1RS9F	ACES_HUMAN	Inhibitor	[7]

Tacrine Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[8]

Tacrine Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[9]
Glutathione S-transferase alpha-1 (GSTA1)	DE4ZHS1	GSTA1_HUMAN	Metabolism	[10]

Tacrine Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cocaine esterase (CES2)	OTC647SQ	EST2_HUMAN	Decreases Activity	[11]
Phosphatidylcholine translocator ABCB4 (ABCB4)	OTE6PY83	MDR3_HUMAN	Decreases Activity	[12]
DNA damage-inducible transcript 3 protein (DDIT3)	OTI8YKKE	DDIT3_HUMAN	Increases Expression	[13]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[13]

Indication(s) of Mefloquine

Disease Entry	ICD 11	Status	REF
Malaria	1F40-1F45	Approved	[3]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Phase 2	[4]
Middle East Respiratory Syndrome (MERS)	1D64	Preclinical	[5]
Severe acute respiratory syndrome (SARS)	1D65	Preclinical	[5]
Progressive multifocal leukoencephalopathy	8A45.02	Investigative	[6]

Mefloquine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Plasmodium 80S ribosome (Malaria 80S)	TTT28H3	NOUNIPROTAC	Binder	[14]

Mefloquine Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[15]

Mefloquine Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[16]

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: 6687).
• [3] FDA Approved Drug Products from FDA Official Website. 2019. Application Number: (NDA) 019578
• [4] ClinicalTrials.gov (NCT04347031) An Open Randomized Study of the Effectiveness of Mefloquine for the Treatment of Patients With COVID19. U.S. National Institutes of Health.
• [5] Repurposing of clinically developed drugs for treatment of Middle East respiratory syndrome coronavirus infection. Antimicrob Agents Chemother. 2014 Aug;58(8):4885-93.
• [6] Mefloquine FDA Label
• [7] Evidence that the clinical effects of cholinesterase inhibitors are related to potency and targeting of action. Int J Clin Pract Suppl. 2002 Jun;(127):6-19.
• [8] Tacrine sinusoidal uptake and biliary excretion in sandwich-cultured primary rat hepatocytes. J Pharm Pharm Sci. 2014;17(3):427-38.
• [9] Synthetic and natural compounds that interact with human cytochrome P450 1A2 and implications in drug development. Curr Med Chem. 2009;16(31):4066-218.
• [10] Combined glutathione-S-transferase M1 and T1 genetic polymorphism and tacrine hepatotoxicity. Clin Pharmacol Ther. 2000 Apr;67(4):432-7.
• [11] Inhibition of human carboxylesterases hCE1 and hiCE by cholinesterase inhibitors. Chem Biol Interact. 2013 Mar 25;203(1):226-30.
• [12] Evaluating the Role of Multidrug Resistance Protein 3 (MDR3) Inhibition in Predicting Drug-Induced Liver Injury Using 125 Pharmaceuticals. Chem Res Toxicol. 2017 May 15;30(5):1219-1229. doi: 10.1021/acs.chemrestox.7b00048. Epub 2017 May 4.
• [13] High-content imaging-based BAC-GFP toxicity pathway reporters to assess chemical adversity liabilities. Arch Toxicol. 2017 Mar;91(3):1367-1383. doi: 10.1007/s00204-016-1781-0. Epub 2016 Jun 29.
• [14] An ultrastructural study of the effects of mefloquine on malaria parasites. Am J Trop Med Hyg. 1987 Jan;36(1):9-14.
• [15] Polymorphisms in human MDR1 (P-glycoprotein): recent advances and clinical relevance. Clin Pharmacol Ther. 2004 Jan;75(1):13-33.
• [16] Effect of rifampin on plasma concentrations of mefloquine in healthy volunteers. J Pharm Pharmacol. 2000 Oct;52(10):1265-9.